1nn4 is a 4 chain structure with sequence from Escherichia coli. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
↑Sorensen KI, Hove-Jensen B. Ribose catabolism of Escherichia coli: characterization of the rpiB gene encoding ribose phosphate isomerase B and of the rpiR gene, which is involved in regulation of rpiB expression. J Bacteriol. 1996 Feb;178(4):1003-11. PMID:8576032
↑David J, Wiesmeyer H. Regulation of ribose metabolism in Escherichia coli. II. Evidence for two ribose-5-phosphate isomerase activities. Biochim Biophys Acta. 1970 Apr 14;208(1):56-67. PMID:4909663
↑Essenberg MK, Cooper RA. Two ribose-5-phosphate isomerases from Escherichia coli K12: partial characterisation of the enzymes and consideration of their possible physiological roles. Eur J Biochem. 1975 Jul 1;55(2):323-32. PMID:1104357
↑Kim C, Song S, Park C. The D-allose operon of Escherichia coli K-12. J Bacteriol. 1997 Dec;179(24):7631-7. PMID:9401019
↑Roos AK, Mariano S, Kowalinski E, Salmon L, Mowbray SL. D-ribose-5-phosphate isomerase B from Escherichia coli is also a functional D-allose-6-phosphate isomerase, while the Mycobacterium tuberculosis enzyme is not. J Mol Biol. 2008 Oct 10;382(3):667-79. Epub 2008 Jul 9. PMID:18640127 doi:10.1016/j.jmb.2008.06.090
