1XEL:
reference: Molecular structure of the NADH/UDP-glucose abortive complex of UDP-galactose 4-epimerase from Escherichia coli: implications for the catalytic mechanism., Thoden JB, Frey PA, Holden HM, Biochemistry 1996 Apr 23;35(16):5137-44. PMID: 8611497

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).