Hello, all.
First let me announce that I am not a PyMOL poweruser, and I have virtually no
experience with crystallography and its data files. I have been plugging along
using the PyMOLwiki as my knowledge-base for years, but cannot seem to wrap my
head around certain issues.
For example, 6pfk (phosphofructokinase) exists as a file that, when fetched,
opens as a complete biological unit (a tetramer), with chains A, B, C, and D.
However, 4pfk is only one subunit. When I then fetch 4pfk, type=pdb1 in order
to obtain the biological unit, I can split_states and delete the original 4pfk.
This leaves me with a biological unit, but one in which each chain is its own
object.
Ultimately, I would like to be able to align/superimpose various parts of these
two structures. Is there an easy way to do this, given that one is a single
object with multiple chains, and the other is four separate objects? Or.
Alternatively, is there a way to convert the 4pfk biological unit into a single
object, with chains A, B, C, and D?
Thanks-
Dave Bourgaize
Whittier College
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