1m3s is a 2 chain structure with sequence from Bacillus subtilis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
Publication Abstract from PubMed
The crystal structure of the YckF protein from Bacillus subtilis was determined with MAD phasing and refined at 1.95A resolution. YckF forms a tight tetramer both in crystals and in solution. Conservation of such oligomerization in other phosphate sugar isomerases indicates that the crystallographically observed tetramer is physiologically relevant. The structure of YckF was compared to with its ortholog from Methanococcus jannaschii, MJ1247. Both of these proteins have phosphate hexulose isomerase activity, although neither of the organisms can utilize methane or methanol as source of energy and/or carbon. Extensive sequence and structural similarities with MJ1247 and with the isomerase domain of glucosamine-6-phosphate synthase from Escherichia coli allowed us to group residues contributing to substrate binding or catalysis. Few notable differences among these structures suggest possible cooperativity of the four active sites of the tetramer. Phylogenetic relationships between obligatory and facultative methylotrophs along with B. subtilis and E. coli provide clues about the possible evolution of genes as they loose their physiological importance.
Crystal structure of Bacillus subtilis YckF: structural and functional evolution.,Sanishvili R, Wu R, Kim DE, Watson JD, Collart F, Joachimiak A J Struct Biol. 2004 Oct;148(1):98-109. PMID:15363790[1]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
References
↑ Sanishvili R, Wu R, Kim DE, Watson JD, Collart F, Joachimiak A. Crystal structure of Bacillus subtilis YckF: structural and functional evolution. J Struct Biol. 2004 Oct;148(1):98-109. PMID:15363790 doi:10.1016/j.jsb.2004.04.006
