From: Giacomo Fiorin (
Date: Mon Apr 23 2018 - 06:40:11 CDT

As you mentioned, this behavior happens also when you download coordinates
from the PDB website, which tells it is probably *not* a VMD issue.

Note that the Protein Data Bank is a major public database that receives
funding, among other things, to develop instructional and supporting


On Sun, Apr 22, 2018 at 7:40 PM, McGuire, Kelly <> wrote:

> Sometimes when I download a PDB from or request one through
> QwikMD, only a part of the protein is loaded. For example, 5C02 is a
> homotetramer crystal structure, but when I download the pdb or request it
> through QwikMD, I only get one of the peptides, not all 4 i.e. not the
> whole structure. What is causing that?
> Kelly L. McGuire
> PhD Scholar
> Department of Physiology and Developmental Biology
> Brigham Young University
> LSB 3050
> Provo, UT 84602

Giacomo Fiorin
Associate Professor of Research, Temple University, Philadelphia, PA
Contractor, National Institutes of Health, Bethesda, MD