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hdrB

Gene
hdrB
Protein
CoB--CoM heterodisulfide reductase subunit B
Organism
Methanopyrus kandleri (strain AV19 / DSM 6324 / JCM 9639 / NBRC 100938)
Length
305 amino acids
Function
Part of a complex that catalyzes the reversible reduction of CoM-S-S-CoB to the thiol-coenzymes H-S-CoM (coenzyme M) and H-S-CoB (coenzyme B).
Similarity
Belongs to the HdrB family.
Mass
34.131 kDa
Sequence
MAKKLCFFLGCIMPNRYPGIEKATRLVFEELGYELVDMDGASCCPAPGVFGSFDLKTWVTIAARNLSIAEEKGYDILTVCNGCFGSLNEANHLLQENPELREFVNEKLAEIDREYKGKVKVYHVNTFLYEEVGVKKIKEKVERPLEKTDGEPLKVAVHYGCHLLKPSEVTGFPGSVEDPRTLDELVEALGAESVDYKDKIMCCGAGGGVRSRELKVSLHFTREKIFNMLEAGADCTTNVCPFCHLQFDRGQIEMKEHFEKLPPKKLPVFHYCQLAGLAFGMDPEELALETHEIDCTPVLEKLGLA

Gene
hdrB
Protein
H(2):CoB-CoM heterodisulfide,ferredoxin reductase subunit B
Organism
Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H)
Length
302 amino acids
Function
Part of a complex that catalyzes the reversible reduction of CoM-S-S-CoB to the thiol-coenzymes H-S-CoM (coenzyme M) and H-S-CoB (coenzyme B).
Similarity
Belongs to the HdrB family.
Mass
33.513 kDa
Sequence
MEIAYFLGCIMNNRYPGIEKATRVLFDKLGIELKDMEGAFCCPAPGVFGSFDKTTWAAIAARNITIAEEMGSDVMTECNGCFGSLFEANHLLKEDEEMRAKINEILKEAGREYKGEINVRHLAEILYNDVGLDKLSEVVEKPLNLNVAVHYGCHFLKPSEEINIDNPERPTILDELVEVTGAKSVDYKDKMMCCGAGGGVRSRDLDVALDFTMEKLRNMKEAGVDAIVNVCPFCHLQFDVGQMEIKDKFGEEFDIPVLHLAQLLGLAMGLPKEDLVVDAHQVCVDECLEKLEELDRLAPGSG

Gene
hdrB
Protein
H(2):CoB-CoM heterodisulfide,ferredoxin reductase subunit B
Organism
Methanothermobacter marburgensis (strain ATCC BAA-927 / DSM 2133 / JCM 14651 / NBRC 100331 / OCM 82 / Marburg)
Length
302 amino acids
Function
Part of a complex that catalyzes the reversible reduction of CoM-S-S-CoB to the thiol-coenzymes H-S-CoM (coenzyme M) and H-S-CoB (coenzyme B).
Similarity
Belongs to the HdrB family.
Mass
33.458 kDa
Sequence
MEIAYFLGCIMNNRYPGIEKATRVLFDKLGIELKDMEGASCCPAPGVFGSFDKTTWAAIAARNITIAEDMGADIMTECNGCFGSLFETNHLLKEDEEMKAKINEILKETGREYKGEVNVRHFAEVLYNDVGLDKLSELVEKPLNLNVAVHYGCHFLKPSDEINIDNPERPTILDEIVEVTGAKSVEYKDKMMCCGAGGGVRSRDLDVALDFTREKLTNMKEAGVDAIVNVCPFCHLQFDVGQMEIKDKFGEEFDIPVLHLAQLLGLAMGLPKEDLVVDAHQVCVDECLEKLEELDRLAPGSG

Gene
hdrB
Protein
Ferredoxin:CoB-CoM heterodisulfide reductase subunit B
Organism
Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88)
Length
300 amino acids
Function
Part of a complex that catalyzes the reversible reduction of CoM-S-S-CoB to the thiol-coenzymes H-S-CoM (coenzyme M) and H-S-CoB (coenzyme B).
Similarity
Belongs to the HdrB family.
Mass
33.068 kDa
Sequence
MNKLSLFLGCIVPNRYPGIEKATKLCLQRLEIDACDLPGASCCPAPGVFKSFDKATWLALASRNIVLSERMERDVLTVCNGCYGSLADANMELKKDPEMKACTNSCLKEIGMEFRGTSEIRHIIEFLYKEFGPEKLKEYITTPLDLKVALHYGCHLIKPSKDRNLGDTESPVFFDELVEATGAKSVDYTDKMMCCGAGGGVRSGYADESLEMLEHKLDCICKAGVDCIVNACPFCHLQFDRGQIAVNEKFGTDYSIPVLHYSQLLGLALGFSPDQLGIEQNAVQNIEFLAKIYEISAGLS

Gene
hdrB
Protein
Dihydrofolate reductase HdrB
Organism
Haloferax volcanii
Length
194 amino acids
Function
Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis.
Similarity
Belongs to the dihydrofolate reductase family.
Mass
21.111 kDa
Sequence
MSGEELSGSETEGDAAVRFVLVAAVADNRVIGRDGTMPWHLPEDLKQFKRTTTGHPVVMGRKTYESIARQLGGPLPERHSVLLTTRDLDLPEGAEAVESVESAVAAAEDAADEMGVETVYVVGGATVYEQFLGRAAGLVLTELDAAHEGDTRFPEWDRGKWVETDRDDRDGFSFVTYERKQPAAADRGAEESDE