HEADER BIOSYNTHETIC PROTEIN 31-DEC-69 6PQZ TITLE P133G/S128A S. typhimurium siroheme synthase COMPND MOL_ID: 1; COMPND 2 MOLECULE: Siroheme synthase; COMPND 3 CHAIN: A, B; COMPND 4 MUTATION: YES; COMPND 5 EC: 2.1.1.107,1.3.1.76,4.99.1.4; COMPND 6 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.23 ANGSTORMS DBREF 6PQZ A 1 457 UNP A0A0F7JC A0A0F7JCI1_ 1 457 SEQRES 1 A 68 LEU PRO GLN HIS LEU GLY GLN VAL ALA ARG TYR ALA GLY SEQRES 2 A 68 GLN LEU ARG ALA ARG VAL LYS LYS GLN PHE ALA THR MET SEQRES 3 A 68 GLY GLU ARG ARG ARG PHE TRP GLU LYS PHE PHE VAL ASN SEQRES 4 A 68 ASP ARG LEU ALA GLN SER LEU ALA ASN ALA ASP GLU LYS SEQRES 5 A 68 ALA VAL ASN ALA THR THR GLU ARG LEU PHE SER GLU PRO SEQRES 6 A 68 LEU ASP HIS