| Literature DB >> 2821271 |
H M Holden1, T E Meyer, M A Cusanovich, F Daldal, I Rayment.
Abstract
Two crystal forms of the cytochrome c2 isolated from Rhodopseudomonas capsulata have been obtained. One crystal form (type I), grown from ammonium sulfate solutions at pH 7.5, belongs to the space group R32 with unit cell dimensions of a = b = 100.0 A, and c = 162.2 A in the hexagonal setting. These crystals most likely contain two molecules in the asymmetric unit. The other crystal form (type II) was obtained from polyethylene glycol 6000 solutions at pH 6.5. Type II crystals belong to the space group P3(1)21 or P3(2)21 with one molecule per asymmetric unit and unit cell dimensions of a = b = 52.4 A, and c = 87.9 A. Both crystal forms diffract to at least 1.8 A resolution and appear to be resistant to radiation damage.Entities:
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Year: 1987 PMID： 2821271 DOI： 10.1016/0022-2836(87)90341-x
Source DB: PubMed Journal: J Mol Biol ISSN： 0022-2836 Impact factor: 5.469