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2016-01-25T07:57:06Z

Created page with "{| style="border-spacing:0;" ! <center>Visual Cue</center> ! <center>Narration</center> |- | style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;b..."

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{| style="border-spacing:0;"
! <center>Visual Cue</center>
! <center>Narration</center>

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide Number 1'''

'''Title Slide'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Welcome to this tutorial on '''Picking and Selection '''using Chimera.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide Number 2'''

'''Learning Objectives'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| In this tutorial, we will learn to

* Show labels for atoms and residues.
* Select atoms and residues using Select menu or by Picking.
* Change the color and display of the residues.
* Add, delete or change atoms
* Rotate bonds

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide Number 3'''

'''Learning Objectives'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| * Open more than one model on the display window.
* Select and move the model.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide Number 4'''

'''Pre-requisites'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| To follow this tutorial you should have knowledge of

Undergraduate Biochemistry.

Or familiar with structural biology.

For relevant tutorials, please visit our website.

http://spoken-tutorial.org

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide Number 5'''

'''System Requirement'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| To record this tutorial, I am using,

Ubuntu Operating System version. 14.04

Chimera version 1.10.2

Mozilla firefox browser 35.0

And a working internet connection.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click on the UCSF Chimera icon to open the chimera window.

Click on “1zik' on the rapid access window.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Here I have opened a Chimera window.

On the rapid access window, click on '''1zik '''from the list of recently accessed data.

A model of Leucine zipper opens on the graphics window.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the panel.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Individual components of the structure such as:

residues, atoms, bonds etc can be modified using tools available in Chimera.

The first step is to make selection.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide Number 6'''

'''Ways to make a Selection'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| There are different ways to make a selection:

* using the Select menu in the menu bar.<br/>

* Picking from the graphics window. <br/>

* Typing commands on the command line.
* Or by selecting, '''Model Panel''' and '''Sequence''' option present in the '''Favorites''' menu.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the panel.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Back to the Chimera window.

Leucine zipper motif consists of periodic repetition of leucine residues.

I will now demonstrate how to highlight the leucine residues present in this structure.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click on presets option in the tool bar.

Click on interactive 2.

Scroll down the Select menu.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| From the presets menu choose '''interactive 2''' option'''.'''

This will convert the structure to atoms display.

From the''' Select''' menu choose R'''esidue''' option.

The sub-menu has many options.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the menu.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| The Amino acid category menu has amino acids grouped as:

aliphatic, aromatic, hydrophobic, polar etc.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the menu.

Click on leucine.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Standard amino acid menu has list of amino acid residues present in the structure.

Click on '''leucine'''.

All the '''leucine''' residues are now highlighted.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click on actions menu, select color, choose yellow.

Cursor on the structure.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Click on '''actions '''menu, select '''color.'''

I will choose yellow from the list of colors.

All the leucines are now displayed in yellow color.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click on '''Select''' menu.

Click on '''Clear selection''' option.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| To clear the selection, click on '''Select''' menu.

Then click on '''Clear selection''' option.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the window.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Leucine being hydrophobic is packed into the hydrophobic core of the protein.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Scroll down the presets menu.

Click on Interactive 1.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Now change the display to ribbons using presets option.

Click on Interactive 1.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Place the mouse anywhere on the structure.

Hover the cursor over the structure.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| To pick a residue from the screen :

Hover the cursor over the structure.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the pop-up balloon.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| A pop-up balloon appears with identifying information.

It has information such as residue name, residue number and Chain.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Move the cursor.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| The balloon disappears when you move the cursor.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Bring the cursor to the first residue on chain A.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Bring the cursor to the first residue on chain A, that is '''arginine'''.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Press CTRL key on the keyboard and click.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Press and hold the CTRL key on the keyboard and click the left mouse button.

Release the CTRL key.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the structure.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| The outline of the residue is highlighted.

By default the selection is outlined in green.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Press and hold both CTRL and shift key.

Click on the residues.

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| If you want to select more than one residue;

Press and hold both CTRL and shift key on the key board.

Hover the mouse over the peptide chain.

Click on the residues you want to pick.

Release the CTRL and Shift keys from the key board.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the structure.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Now you have picked the residues for modification.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click on Actions menu.

Scroll down and click on atoms/bonds.

Click on “show”.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Choose an option from the '''Actions''' menu.

Click on '''Actions''' menu.

For example to display atoms, choose '''atoms/bonds.'''

Click on S'''how'''.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the structure.

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| The selected residues are now seen in atoms display.

Clear the selection.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the structure.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| We can also modify atoms or bonds present in the structure by '''Picking'''.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Place the mouse over an atom and bond.

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Place the cursor over an object such as an atom, or bond.

This will show its label information in an atomspec balloon.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the panel.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Atomspec balloon for an atom has information such as:

Residue name, number, chain and atom name.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Double-click on the atom, while holding down the CTRL key.

Scroll down the context-menu.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| To select an atom, press and hold the CTRL key on the key board.

While holding the CTRL key click on the atom you want to change.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the structure.

Double-click on the atom while holding the CTRL key.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| The atom is now highlighted.

To modify the atom double-click on the atom while holding the CTRL key.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the context-menu.

Click on Modify-atom option.

Release the CTRL key.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| A '''''context menu '''''opens with options.

Click on Modify-atom option.

Release the CTRL key.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click on modify atom, a “Build Structure” window opens.

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| A '''Build Structure''' window opens.

Let us change the selected atom that is Nitrogen to a methyl group.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Select carbon, 4 bonds, click on apply.

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| In the '''Build Structure''' window, Select element as carbon, bonds as 4.

Click on apply button.

Observe the panel.

A methyl group is now added to the existing structure.

Close the window.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Hover the cursor on any bond.

Cursor on the pop-up balloon.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| There is also an option to rotate bonds.

Hover the cursor over the bond you want to rotate.

Information regarding the bond appears in the atomspec balloon.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Press CTRL key and click on the bond.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| To select a bond, place the cursor on the bond.

Press and hold the CTRL key.

Click the left mouse button.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the bond.

While still pressing the CTRL key double click on the bond.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| The selected bond is now highlighted.

While still holding the CTRL key double click on the bond.

Release the CTRL key on the key board.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click on rotate bond option in the context menu.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| A '''context-menu''' opens.

Click on '''rotate bond''' option.

A''' Build Structure '''dialog box appears on the screen.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click and rotate the rotating tool that is present in the dialog box.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Click and rotate the rotating tool that is present in the dialog box.

Observe the panel. The selected bond is now rotating.

Stop rotating when you reach the desired angle.

Close the dialog box.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Hold the CTRL key and click anywhere on the panel.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Clear the selection.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Scroll down the tools menu and click on “Sequence” option.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| We can also use '''Sequence '''option in the tools menu to highlight the chains.

Scroll down the tools menu and click on '''Sequence''' option.

Choose sequence from the sub-menu.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the dialog box.

Click on '''chain A''', then click on '''show''' button.

Cursor on the dialog box.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| A '''Show model sequence''' dialog box appears.

Click on '''chain A '''if you want to select chain A.

Then click on '''show'''.

Another dialog box appears on screen with the amino acid sequence.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the dialog box.

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| The amino acid residues are represented as single letter abbreviations.

Click on the sequence to select.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click on quit to close the window.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Observe the panel, Chain A is now highlighted.

Click on quit to close the window.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Go to action menu, scroll down to color.

Click on yellow.

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Go to '''Actions menu''', scroll down to '''Color'''.

Click on yellow option.

Chain A is now in yellow color.

Clear the selection.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the window.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| We can open more than one structure on the chimera window.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Scroll down the file menu, Click on “Fetch by ID”.

“Fetch structure window”, select PDB option.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| To open a second structure:

Scroll down the file menu.

Click on '''Fetch by ID'''.

A '''Fetch structure by ID''' dialog box opens.

Select '''PDB''' option.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Type the 4 letter PDB code. 2HCO and click on fetch button.

Click on fetch button.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Then type the 4 letter PDB code.

For example to fetch '''human insulin''', type 4ex1.

Click on fetch button.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the panel.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| The two protein structures are overlapped on the panel.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the panel.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| To separate the two overlapping structures:

We have to selectively move one model on the panel.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click on favorites menu.

Scroll down and click on command line option.

On command line, Click on the small square box for zero.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Open the command line using '''favorites''' menu.

The command line appears at the bottom of the window.

Click to uncheck model zero, which represents '''leucine zipper'''.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Hold center mouse button move the second model on the panel.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Bring the cursor to the insulin structure:

Hold the center mouse button.

Drag to move the '''insulin''' model to the desired location on the panel.

Release the mouse button.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Open the model panel using favorites menu.

Clicking on the model ID.

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| To selectively remove model from the screen:

Open the model panel using favorites menu.

A '''Model Panel'''dialog box appears.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on model panel dialog box.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Select the model you want to remove, by clicking on the model ID.

For example I want to remove the '''insulin''' model from the screen.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click on the model ID.

Click on close option.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Click on the model ID.

Click on close option.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Click on close.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Observe the panel.

The model of '''insulin''' is now removed from the screen.

Close the model panel window.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| Cursor on the panel.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| We have reached the end of this tutorial.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide number 7'''

'''Summary'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Let's summarize what we have learnt.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide Number 7'''

'''Summary'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| In this tutorial we have learnt to

* Show labels for atoms and residues.
* Select atoms and residues using Select menu or by Picking.
* Change the color and display of the residues.
* Add, delete or change atoms
* Rotate bonds

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide Number 8'''

'''Summary'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| * Open more than one model on the display window.
* Select and move the model.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide Number 9'''

Assignment
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| For the assignment

Open a structure of human insulin, pdb code 4ex1 on the chimera window.

Color all the hydrophobic amino acid residues in blue.

Color all polar residues in red.

Your completed assignment should look as follows.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide Number 10'''

'''Acknowledgement '''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| The video at the following link summarizes the Spoken Tutorial project.

Please download and watch it.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide Number 11'''

'''Acknowledgement '''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| The Spoken Tutorial Project Team conducts workshops and gives certificates for those who pass an online test.

For more details, please write to us.

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide number 12'''

'''Acknowledgement '''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| Spoken Tutorial Project is funded by NMEICT, MHRD, Government of India.

More information on this Mission is available at the link shown

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.097cm;"| '''Slide number 12'''

'''Acknowledgement '''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.097cm;"| This is Snehalatha from IIT Bombay signing off. Thank you for joining.

|}

UCSF-Chimera/C2/Picking-and-Selection/English - Revision history

Snehalathak at 06:17, 10 February 2016

Snehalathak: Created page with "{| style="border-spacing:0;" ! Visual Cue ! Narration |- | style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;b..."