1GYY The Crystal Structure of YdcE, a 4-Oxalocrotonate Tautomerase Homologue from Escherichia coli, Confirms the Structural Basis for Oligomer Diversity ESCHERICHIA COLI 1MFI CRYSTAL STRUCTURE OF MACROPHAGE MIGRATION INHIBITORY FACTOR COMPLEXED WITH (E)-2-FLUORO-P-HYDROXYCINNAMATE Mus musculus (house mouse) 2OPA YwhB binary complex with 2-Fluoro-P-hydroxycinnamate Bacillus subtilis