Protein
3-methylornithine synthase
Organism
Methanosarcina barkeri (strain Fusaro / DSM 804)
Function
Catalyzes the isomerization of L-lysine to (2R,3R)-3-methylornithine via a radical-based mechanism, a step in the biosynthesis pathway of pyrrolysine.
Similarity
Belongs to the radical SAM superfamily. PylB family.
Sequence
MIQKMALDEFDSLGDKVIEGYQLTDNDLRTLLSLESKEGLERLYSAARKVRDHYFGNRVFLNCFIYFSTYCKNQCSFCYYNCRNEINRYRLTMEEIKETCKTLKGAGFHMVDLTMGEDPYYYEDPNRFVELVQIVKEELGLPIMISPGLMDNATLLKAREKGANFLALYQETYDTELYRKLRVGQSFDGRVNARRFAKQQGYCVEDGILTGVGNDIESTILSLRGMSTNDPDMVRVMTFLPQEGTPLEGFRDKSNLSELKIISVLRLMFPKRLIPASLDLEGIDGMVLRLNAGANIVTSILPPDSQLEGVANYDRDLEERDRDIKSVVRRLEIMGMKPARQADFEAVLGC