PDB:2I5B THE CRYSTAL STRUCTURE OF AN ADP COMPLEX OF BACILLUS SUBTILIS PYRIDOXAL KINASE PROVIDES EVIDENCE FOR THE PARRALEL EMERGENCE OF ENZYME ACTIVITY DURING EVOLUTION MOL_ID: 1; MOLECULE: PHOSPHOMETHYLPYRIMIDINE KINASE; CHAIN: A, C, D, B, E; SYNONYM: HMP-PHOSPHATE KINASE, HMP-P KINASE; EC: 2.7.4.7; ENGINEERED: YES MOL_ID: 1; ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; ORGANISM_TAXID: 1423; STRAIN: 168; GENE: THID; EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; EXPRESSION_SYSTEM_TAXID: 511693; EXPRESSION_SYSTEM_STRAIN: BL21; EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; EXPRESSION_SYSTEM_PLASMID: PTB361 ADP COMPLEX, PDXK, THID, RIBOKINASE SUPERFAMILY, TRANSFERASE J.A.NEWMAN,S.K.DAS,S.E.SEDELNIKOVA,D.W.RICE