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The Rainbow coloring in iCn3D isn't behaving correctly #41
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The rainbow coloring is for any selection. What you can do is to select each chain and apply the rainbow coloring. Here is the share link of my example: https://structure.ncbi.nlm.nih.gov/icn3d/share.html?uqzXVbUSoxbLJocW8 |
No, that doesn't make sense. If I use other coloring styles, I see the coloring applied to the entire protein. For example, I can color a protein by charge without selecting each chain. In a protein, each chain is independent, so each chain must be colored from the amino end to the carboxyl end. PDB does this correctly with jsmol. Cn3D does this correctly also. |
The fundamental design of iCn3D is to apply features only to the selection. Different users have different preferences. This way you can apply Rainbow coloring to any of your selection and make it more flexible. |
I could add two options for Rainbow: per Selection, and per Chain in the next release. |
The feature is available now. |
The Rainbow coloring style should work in the following way - the amino terminus of each protein chain (or the 5' end of each nucleic acid chain) should be red and the carboxyl terminus (or 3' end) should be violet.
When colored correctly, a structure like 1IGY will show the amino ends of all four chains in red.
Each chain needs to be colored independently because each chain is a separate molecule.
Instead it looks like the coloring is treating the four chains as part of a single concatenated molecule.
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