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narI

Gene
narI
Protein
Respiratory nitrate reductase 1 gamma chain
Organism
Escherichia coli (strain K12)
Length
225 amino acids
Function
The nitrate reductase enzyme complex allows E.coli to use nitrate as an electron acceptor during anaerobic growth. The gamma chain is a membrane-embedded heme-iron unit resembling cytochrome b, which transfers electrons from quinones to the beta subunit.
Mass
25.497 kDa
Sequence
MQFLNMFFFDIYPYIAGAVFLIGSWLRYDYGQYTWRAASSQMLDRKGMNLASNLFHIGILGIFVGHFFGMLTPHWMYEAWLPIEVKQKMAMFAGGASGVLCLIGGVLLLKRRLFSPRVRATTTGADILILSLLVIQCALGLLTIPFSAQHMDGSEMMKLVGWAQSVVTFHGGASQHLDGVAFIFRLHLVLGMTLFLLFPFSRLIHIWSVPVEYLTRKYQLVRARH

Gene
narI
Protein
Nitrate reductase gamma chain
Organism
Bacillus subtilis (strain 168)
Length
223 amino acids
Function
The gamma chain is a membrane-embedded heme-iron unit resembling cytochrome b, which transfers electrons from quinones to the beta subunit.
Mass
25.296 kDa
Sequence
MSGQILWGIMPYIVLTIFIGGHIYRYQHDQFGWTAKSSELLEKKKLAAGSTLFHWGLLCVVGGHVMGILIPEGVYASLGISEHMYHKMAIGAGLPAGIAACTGLVILTYRRLFDKRIRKTSSPSDILTLLLLLFMMLSGVAATFLNIDSKGFDYRTTVGPWFREIVLFRPDASLMESVPLWFKFHIVIGYVVFILWPFTRLVHVFSLPLKYLTRSYVVYRKRS