Difference between revisions of "UCSF-Chimera/C4/Axes-and-Planes/English-timed"
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| 00:01 | | 00:01 | ||
− | | Welcome to this tutorial on Axes and Planes using Chimera. | + | | Welcome to this tutorial on '''Axes and Planes''' using '''Chimera'''. |
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| 00:06 | | 00:06 | ||
− | | In this tutorial, we will learn to show | + | | In this tutorial, we will learn to show '''Axes, Planes''' and '''Centroids''', |
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| 00:17 | | 00:17 | ||
− | | To follow this tutorial you should be familiar with | + | | To follow this tutorial, you should be familiar with '''Chimera''' interface. |
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| 00:23 | | 00:23 | ||
− | | If not, for relevant tutorials, please visit our website. | + | | If not, for relevant tutorials, please visit our '''website'''. |
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| 00:28 | | 00:28 | ||
− | | To record this tutorial, I am using | + | | To record this tutorial, I am using: '''Ubuntu OS''' version '''14.04''', |
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| 00:34 | | 00:34 | ||
− | | '''Chimera''' version 1.10.1 | + | | '''Chimera''' version '''1.10.1''', |
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| 00:38 | | 00:38 | ||
− | | '''Mozilla firefox''' browser 42.0 | + | | '''Mozilla firefox''' browser '''42.0''' and working '''internet''' connection. |
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| 00:45 | | 00:45 | ||
− | | Here I have opened '''Chimera''' window. | + | | Here, I have opened '''Chimera''' window. |
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| 00:48 | | 00:48 | ||
− | | On the command text box | + | | On the '''command''' text box, type: '''open 1EMA '''. Press '''Enter'''. |
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| 00:55 | | 00:55 | ||
− | | Structure of | + | | Structure of green fluorescent protein opens on the panel. |
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| 01:02 | | 01:02 | ||
− | | Scroll down to '''Structure Analysis''' option. From the sub-menu click on '''Axes, Planes, Centroids'''. | + | | Scroll down to '''Structure Analysis''' option. From the sub-menu, click on '''Axes, Planes, Centroids'''. |
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| 01:37 | | 01:37 | ||
− | | On the panel, select a few residues of your choice, from the middle of the structure. | + | | On the panel, select a few '''residues''' of your choice, from the middle of the structure. |
|- | |- | ||
| 01:43 | | 01:43 | ||
− | | To select residues | + | | To select residues- click on residues while pressing '''CTRL''' and '''shift''' keys simultaneously. |
|- | |- | ||
| 01:55 | | 01:55 | ||
− | | On the '''Define Axes '''dialog box, click on the radio button “'''Selected atoms'''” | + | | On the '''Define Axes '''dialog box, click on the '''radio button''' “'''Selected atoms'''”. |
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|02:06 | |02:06 | ||
| Click on the '''color well'''. Select a color from the '''color editor'''. | | Click on the '''color well'''. Select a color from the '''color editor'''. | ||
− | |||
Close the '''color editor'''. | Close the '''color editor'''. | ||
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| 02:14 | | 02:14 | ||
− | | To change the thickness of the axis | + | | To change the thickness of the axis- click on '''angstroms''' radio button. |
|- | |- | ||
| 02:19 | | 02:19 | ||
− | | Change the number in the text box to 0.25 | + | | Change the number in the text box to 0.25. |
− | + | ||
Click on '''OK''' button. | Click on '''OK''' button. | ||
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| 02:33 | | 02:33 | ||
− | | Clear the selection using | + | | Clear the selection using '''Select''' menu. |
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| 02:51 | | 02:51 | ||
− | | Now to add '''plane''' to the structure, click on '''Define plane | + | | Now to add '''plane''' to the structure, click on '''Define plane''' tab. |
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| 03:08 | | 03:08 | ||
− | | On the panel, | + | | On the panel, select few residues of your choice, from the middle of the structure. |
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| 03:23 | | 03:23 | ||
− | | On the '''Define Plane''' dialog-box | + | | On the '''Define Plane''' dialog-box- Click on the '''color well.''' |
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| 03:48 | | 03:48 | ||
− | | Delete the '''plane''', click on the plane ID in the '''Structure Measurements''' dialog box. | + | | Delete the '''plane''', click on the '''plane ID''' in the '''Structure Measurements''' dialog box. |
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| 03:55 | | 03:55 | ||
− | | Click on | + | | Click on '''Delete''' button. |
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| 03:58 | | 03:58 | ||
− | | To show '''centroid''', click on '''Define centroid | + | | To show '''centroid''', click on '''Define centroid''' tab. |
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| 04:07 | | 04:07 | ||
− | | Select residues 64 and 68 on the structure to create a centroid. | + | | Select '''residues 64''' and '''68''' on the structure to create a centroid. |
|- | |- | ||
| 04:14 | | 04:14 | ||
− | | In the '''Define Centroid''' dialog box | + | | In the '''Define Centroid''' dialog box, type the name of the centroid as '''centroid1'''. |
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| 04:21 | | 04:21 | ||
− | | As shown earlier, select a color from the color well. | + | | As shown earlier, select a color from the '''color well'''. |
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| 04:31 | | 04:31 | ||
− | | '''Centroid''' for the chosen atoms is displayed on the panel. | + | | '''Centroid''' for the chosen atoms is displayed on the '''panel'''. |
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| 04:45 | | 04:45 | ||
− | | '''2D-Labels''' such text and arrows can also be added to the structure. | + | | '''2D-Labels''' such as text and arrows can also be added to the structure. |
|- | |- | ||
| 04:52 | | 04:52 | ||
− | | Start '''2D labels''' tool using''' Utilities''' option from the '''Tools''' menu. | + | | Start '''2D labels''' tool, using''' Utilities''' option from the '''Tools''' menu. |
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| 05:11 | | 05:11 | ||
− | | By default '''use mouse for label placement''' option near the bottom of the dialog box is selected. | + | | By default, '''use mouse for label placement''' option near the bottom of the dialog box is selected. |
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| 05:32 | | 05:32 | ||
− | | Label id with X and Y coordinates appears on the dialog-box. | + | | '''Label id''' with X and Y coordinates appears on the dialog-box. |
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| 05:38 | | 05:38 | ||
− | | Now type the label text in the '''Text''' area. | + | | Now, type the label text in the '''Text''' area. |
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| 05:42 | | 05:42 | ||
− | | Type '''Green Fluorescent Protein'''. Press | + | | Type '''Green Fluorescent Protein'''. Press '''Enter'''. |
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| 05:49 | | 05:49 | ||
− | | The label created can be repositioned by dragging using left mouse button. | + | | The label created can be repositioned by dragging using left '''mouse button'''. |
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| 05:56 | | 05:56 | ||
− | | To delete the label, select the label id on the dialog-box. | + | | To delete the label, select the '''label id''' on the dialog-box. |
− | + | ||
Click on '''delete''' button. | Click on '''delete''' button. | ||
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| 06:05 | | 06:05 | ||
− | | Click on '''Arrows | + | | Click on '''Arrows''' tab in the dialog-box to add arrows. |
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| 06:10 | | 06:10 | ||
− | | In the '''Arrow weight''' field at the bottom of the dialog-box | + | | In the '''Arrow weight''' field at the bottom of the dialog-box, |
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| 06:15 | | 06:15 | ||
− | | | + | | change the number to change the thickness of the arrow. |
|- | |- | ||
| 06:19 | | 06:19 | ||
− | | I will type 0.5 to create a thinner arrow. | + | | I will type '''0.5''' to create a thinner arrow. |
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| 06:24 | | 06:24 | ||
− | | Click on the '''Arrow head''' | + | | Click on the '''Arrow head style''' button. Choose an option from the drop-down menu. |
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| 06:33 | | 06:33 | ||
− | | Place the cursor on the panel, click and hold the mouse button. | + | | Place the cursor on the panel, click and hold the '''mouse''' button. |
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| 06:58 | | 06:58 | ||
− | | Change the color of the arrow by clicking on the color well next to the arrow id. | + | | Change the color of the arrow by clicking on the '''color well''' next to the '''arrow id'''. |
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| 07:18 | | 07:18 | ||
− | | To demonstrate '''per-model clipping | + | | To demonstrate '''per-model clipping-''' I will use structure of '''myoglobin''' as an example. |
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| 07:25 | | 07:25 | ||
− | | On the command text box type '''open 1mbo'''. Press | + | | On the '''command''' text box, type '''open 1mbo'''. Press '''Enter'''. |
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| 08:09 | | 08:09 | ||
− | | Back to the panel. Model drop-down menu in the '''Per-Model Clipping''' dialog-box shows the current model. | + | | Back to the panel. '''Model''' drop-down menu in the '''Per-Model Clipping''' dialog-box shows the current model. |
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| 08:18 | | 08:18 | ||
− | | Select '''Enable clipping''' | + | | Select '''Enable clipping'''; this activates the clipping planes. |
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| 08:33 | | 08:33 | ||
| Create a surface for the model. Click on''' Actions''' menu, scroll down to '''Surface'''. | | Create a surface for the model. Click on''' Actions''' menu, scroll down to '''Surface'''. | ||
− | |||
Click on '''Show'''. | Click on '''Show'''. | ||
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| 08:50 | | 08:50 | ||
− | | In the | + | | In the dialog-box '''Model''' drop-down menu, shows two models. |
− | + | '''Model (1mbo)''' and Model with surface. | |
− | Model (1mbo) and Model with surface. | + | |
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| 09:24 | | 09:24 | ||
− | | Change the slab thickness to 0.5. | + | | Change the slab thickness to '''0.5'''. |
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| 09:28 | | 09:28 | ||
− | | Type 0.5 in the text box and press | + | | Type '''0.5''' in the text box and press '''Enter'''. Observe the panel. |
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| 09:43 | | 09:43 | ||
− | | Assign button 2 for Translation and | + | | Assign '''button 2''' for '''Translation''' and '''button 3''' for '''Rotation'''. |
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| 10:09 | | 10:09 | ||
| Close the '''color editor'''. Select '''solid''' as cap style. | | Close the '''color editor'''. Select '''solid''' as cap style. | ||
− | |||
Close the '''dialog-box'''. | Close the '''dialog-box'''. | ||
|- | |- | ||
|10:18 | |10:18 | ||
− | | On the Chimera window, make the surface transparent | + | | On the '''Chimera''' window, make the surface transparent up to 20% using '''Actions''' menu. |
|- | |- | ||
| 10:26 | | 10:26 | ||
− | | Observe the panel. The slab is now colored and transparent. | + | | Observe the panel. The '''slab''' is now colored and transparent. |
|- | |- | ||
| 10:33 | | 10:33 | ||
− | | Press and hold the center mouse button. Drag the mouse to move the clipping plane in one direction. | + | | Press and hold the center mouse button. Drag the '''mouse''' to move the clipping plane in one direction. |
|- | |- | ||
| 10:42 | | 10:42 | ||
− | | To shift the clipping plane, | + | | To shift the clipping plane, hold the right mouse button and drag the '''mouse'''. |
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| 10:50 | | 10:50 | ||
− | | Observe the panel | + | | Observe the panel. Pocket holding the '''heme''' group is now visible very clearly. |
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| 10:57 | | 10:57 | ||
− | | Lets Summarize, In this tutorial we have learnt to | + | | Lets Summarize, In this tutorial, we have learnt to- show '''Axes, Planes''' and '''Centroids''', |
− | + | ||
− | + | ||
|- | |- | ||
| 11:05 | | 11:05 | ||
− | | | + | | show '''2D Label'''s, |
− | + | Draw Arrows, | |
− | Draw Arrows | + | |
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|11:09 | |11:09 | ||
− | |Clip the model using '''Per-Model''' clipping tool | + | |Clip the model using '''Per-Model''' clipping tool. |
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| 11:13 | | 11:13 | ||
− | | For the assignment, | + | | For the assignment, open a model of '''Chymotrypsin'''. |
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| 11:24 | | 11:24 | ||
− | | This video summarizes the Spoken Tutorial project. | + | | This video summarizes the '''Spoken Tutorial''' project. If you do not have good '''bandwidth''', you can download and watch it. |
− | If you do not have good bandwidth, you can download and watch it. | + | |
|- | |- | ||
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| 11:39 | | 11:39 | ||
− | | The Spoken Tutorial Project is funded by '''NMEICT, MHRD | + | | The Spoken Tutorial Project is funded by '''NMEICT, MHRD''' Government of India. |
|- | |- | ||
| 11:45 | | 11:45 | ||
− | | This is Snehalatha from IIT Bombay signing off. | + | | This is Snehalatha from IIT Bombay, signing off. |
− | + | ||
Thank you for joining. | Thank you for joining. | ||
|} | |} |
Latest revision as of 18:30, 28 June 2018
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00:01 | Welcome to this tutorial on Axes and Planes using Chimera. |
00:06 | In this tutorial, we will learn to show Axes, Planes and Centroids, |
00:12 | 2D Labels and Per-Model clipping. |
00:17 | To follow this tutorial, you should be familiar with Chimera interface. |
00:23 | If not, for relevant tutorials, please visit our website. |
00:28 | To record this tutorial, I am using: Ubuntu OS version 14.04, |
00:34 | Chimera version 1.10.1, |
00:38 | Mozilla firefox browser 42.0 and working internet connection. |
00:45 | Here, I have opened Chimera window. |
00:48 | On the command text box, type: open 1EMA . Press Enter. |
00:55 | Structure of green fluorescent protein opens on the panel. |
01:00 | Click on the Tools menu. |
01:02 | Scroll down to Structure Analysis option. From the sub-menu, click on Axes, Planes, Centroids. |
01:11 | Structure Measurements dialog box opens. |
01:15 | Here we have Define axes, Define plane, Define centroid tabs. |
01:24 | Click on Define axes tab. This opens Define axes dialog box. |
01:31 | Here we can specify atom sets and other axis parameters. |
01:37 | On the panel, select a few residues of your choice, from the middle of the structure. |
01:43 | To select residues- click on residues while pressing CTRL and shift keys simultaneously. |
01:55 | On the Define Axes dialog box, click on the radio button “Selected atoms”. |
02:02 | Type the name of the axis as axis1. |
02:06 | Click on the color well. Select a color from the color editor.
Close the color editor. |
02:14 | To change the thickness of the axis- click on angstroms radio button. |
02:19 | Change the number in the text box to 0.25.
Click on OK button. |
02:27 | Observe the panel. Axis is drawn for the selected atoms. |
02:33 | Clear the selection using Select menu. |
02:37 | An object for this axis is generated in the Structure Measurement dialog box. |
02:43 | To delete axis, click on the row. Click on Delete button at the bottom of the dialog-box. |
02:51 | Now to add plane to the structure, click on Define plane tab. |
02:57 | In the Define Plane dialog-box, change the name of the plane to plane1. |
03:03 | Here a plane is created only for selected atoms. |
03:08 | On the panel, select few residues of your choice, from the middle of the structure. |
03:14 | Press CTRL and Shift keys simultaneously and click on the residues. |
03:23 | On the Define Plane dialog-box- Click on the color well. |
03:28 | Choose a color from the color editor. Close the color-editor. |
03:34 | Click on OK button. Observe the panel. |
03:39 | A plane is generated based on the selected atoms. |
03:44 | Clear the selection using Select menu. |
03:48 | Delete the plane, click on the plane ID in the Structure Measurements dialog box. |
03:55 | Click on Delete button. |
03:58 | To show centroid, click on Define centroid tab. |
04:03 | Define centroid dialog box opens. |
04:07 | Select residues 64 and 68 on the structure to create a centroid. |
04:14 | In the Define Centroid dialog box, type the name of the centroid as centroid1. |
04:21 | As shown earlier, select a color from the color well. |
04:26 | Close the color-editor. Click on OK button. |
04:31 | Centroid for the chosen atoms is displayed on the panel. |
04:36 | Clear the selection and delete the centroid. |
04:42 | Close the Structure Measurements dialog box. |
04:45 | 2D-Labels such as text and arrows can also be added to the structure. |
04:52 | Start 2D labels tool, using Utilities option from the Tools menu. |
04:59 | 2D-Labels dialog-box opens with tabs for Labels, Arrows and color key. |
05:07 | Click on Labels tab to add labels. |
05:11 | By default, use mouse for label placement option near the bottom of the dialog box is selected. |
05:20 | Click on the color well, select a color for the label. Close the color editor. |
05:28 | Click on the panel where you want to place the label. |
05:32 | Label id with X and Y coordinates appears on the dialog-box. |
05:38 | Now, type the label text in the Text area. |
05:42 | Type Green Fluorescent Protein. Press Enter. |
05:49 | The label created can be repositioned by dragging using left mouse button. |
05:56 | To delete the label, select the label id on the dialog-box.
Click on delete button. |
06:05 | Click on Arrows tab in the dialog-box to add arrows. |
06:10 | In the Arrow weight field at the bottom of the dialog-box, |
06:15 | change the number to change the thickness of the arrow. |
06:19 | I will type 0.5 to create a thinner arrow. |
06:24 | Click on the Arrow head style button. Choose an option from the drop-down menu. |
06:30 | I will choose Pointy. |
06:33 | Place the cursor on the panel, click and hold the mouse button. |
06:39 | Drag to extend the arrow. Release the mouse button. |
06:46 | Drag the end of the arrow to reorient or to change its length. |
06:54 | Move the arrow by dragging it from the middle. |
06:58 | Change the color of the arrow by clicking on the color well next to the arrow id. |
07:04 | Select a color. Close the color-editor. |
07:08 | Close the 2D-Labels dialog-box. Close the session using File menu. |
07:15 | Open a new session. |
07:18 | To demonstrate per-model clipping- I will use structure of myoglobin as an example. |
07:25 | On the command text box, type open 1mbo. Press Enter. |
07:32 | Scroll down the Tools menu, select Depiction. |
07:37 | From the sub-menu, click on Per-Model clipping. |
07:42 | Per-Model clipping dialog-box opens. |
07:46 | Per-Model Clipping allows different models to be clipped in different ways. |
07:52 | It is a single plane that separates the visible and invisible portions of the model. |
07:59 | Each model can have only one Per-Model Clipping plane. |
08:04 | A model and its surface are treated as separate models. |
08:09 | Back to the panel. Model drop-down menu in the Per-Model Clipping dialog-box shows the current model. |
08:18 | Select Enable clipping; this activates the clipping planes. |
08:25 | Visible portion of the model is behind the plane. Uncheck Enable clipping. |
08:33 | Create a surface for the model. Click on Actions menu, scroll down to Surface.
Click on Show. |
08:43 | Now the structure shows a pocket where Heme group is bound tightly. |
08:50 | In the dialog-box Model drop-down menu, shows two models.
Model (1mbo) and Model with surface. |
09:00 | Select model with surface. Click on Enable clipping. |
09:06 | Observe the panel. |
09:10 | Only the surface of the model is clipped. |
09:14 | Click on Use slab mode with thickness. |
09:18 | It allows you to view the portion of the model according to slab thickness. |
09:24 | Change the slab thickness to 0.5. |
09:28 | Type 0.5 in the text box and press Enter. Observe the panel. |
09:37 | In the dialog-box, click on Adjust clipping with mouse. |
09:43 | Assign button 2 for Translation and button 3 for Rotation. |
09:51 | Click on Surface capping button. |
09:55 | In the Surface capping dialog-box, select Cap surfaces at clip planes. |
10:02 | Click on Use cap color. |
10:05 | Select a color from the color well. |
10:09 | Close the color editor. Select solid as cap style.
Close the dialog-box. |
10:18 | On the Chimera window, make the surface transparent up to 20% using Actions menu. |
10:26 | Observe the panel. The slab is now colored and transparent. |
10:33 | Press and hold the center mouse button. Drag the mouse to move the clipping plane in one direction. |
10:42 | To shift the clipping plane, hold the right mouse button and drag the mouse. |
10:50 | Observe the panel. Pocket holding the heme group is now visible very clearly. |
10:57 | Lets Summarize, In this tutorial, we have learnt to- show Axes, Planes and Centroids, |
11:05 | show 2D Labels,
Draw Arrows, |
11:09 | Clip the model using Per-Model clipping tool. |
11:13 | For the assignment, open a model of Chymotrypsin. |
11:18 | Draw planes. Clip the structure using Per-Model Clipping tool. |
11:24 | This video summarizes the Spoken Tutorial project. If you do not have good bandwidth, you can download and watch it. |
11:32 | We conduct workshops using Spoken Tutorials and give certificates.
Please contact us. |
11:39 | The Spoken Tutorial Project is funded by NMEICT, MHRD Government of India. |
11:45 | This is Snehalatha from IIT Bombay, signing off.
Thank you for joining. |