Organism
Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)
Function
Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD-dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme.
Similarity
In the C-terminal section; belongs to the precorrin methyltransferase family.
Sequence
MDFLPLFHSLQGRLALVVGGGEVALRKARLLADAGARLRVVAPQIHIELRHLVEQGGGELLERDYQDGDQPGCALIIAATDDEPLNAEVSRAANARGIPVNVVDAPALCSVIFPAIVDRSPLVVAVSSGGDAPVLARLIRAKLETWIPSTYGQLAGLASRFRHRVKELLPDLQQRRVFWENLFQGEIAERVLAGRPAEAERLLEEHLAGGLAHIATGEVYLVGAGPGDPDLLTFRALRLMQQADVVLYDRLVAPSILELCRRDAERLYVGKRRAEHAVPQDRINRLLVELASQGKRVLRLKGGDPFIFGRGGEEIDELAAHGIPFQVVPGITAASGCAAYAGIPLTHRDHAQSVRFVTGHLKDGTTDLPWQDLVAPGQTLVFYMGLVGLPVICEQLVAHGRSAQTPAALIQQGTTAQQRVFTGTLENLPQLVAEHEVHAPTLVIVGEVVQLRDKLAWFEGAREDA