| Literature DB >> 16880542 |
Tomoya Kitatani1, Yoshihiro Nakamura, Kei Wada, Takayoshi Kinoshita, Masahiro Tamoi, Shigeru Shigeoka, Toshiji Tada.
Abstract
The crystal structure of NADP-dependent apo-glyceraldehyde-3-phosphate dehydrogenase (apo-GAPDH) from Synechococcus PCC 7942 is reported. The crystal structure was solved by molecular replacement and refined to an R of 21.7% and R(free) of 27.5% at 2.9 angstroms resolution. The structural features of apo-GAPDH are as follows. The S-loop has an extremely flexible conformation and the sulfate ion is only taken into the classical P(i) site. A structural comparison with holo-GAPDHs indicated that the S-loop fixation is essential in the discrimination of NADP and NAD molecules.Entities:
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Year: 2006 PMID: 16880542 PMCID: PMC2242934 DOI: 10.1107/S1744309106027916
Source DB: PubMed Journal: Acta Crystallogr Sect F Struct Biol Cryst Commun ISSN: 1744-3091