X-PLOR and Hemoglobin
Darin Scott Katz
katz at a.chem.upenn.edu
Mon Oct 11 15:11:47 EST 1993
I'm hoping someone can help me. I'm trying to refine data I've collected on
some hemoglobin crystals with X-PLOR (v 3.1). I run into problems when I
do a "check" on the tetramer. I consistently get an error message saying I
have "linear bond angles" in my structure. However, when I use the alpha-
beta dimer only, I get no such error.
Has anyone had similar experiences with refining multi-subunit structures
with X-PLOR? I believe my problem arises when I introduce the other dimer
into the check model. If anyone could be of help, I'd be most appreciative.
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