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ribC

Gene
ribC
Protein
Bifunctional riboflavin kinase/FMN adenylyltransferase
Organism
Bacillus subtilis (strain 168)
Length
316 amino acids
Function
Catalyzes the phosphorylation of riboflavin to FMN followed by the adenylation of FMN to FAD.
Similarity
Belongs to the RibF family.
Mass
35.662 kDa
Sequence
MKTIHITHPHHLIKEEQAKSVMALGYFDGVHLGHQKVIGTAKQIAEEKGLTLAVMTFHPHPSHVLGRDKEPKDLITPLEDKINQIEQLGTEVLYVVKFNEVFASLSPKQFIDQYIIGLNVQHAVAGFDFTYGKYGKGTMKTMPDDLDGKAGCTMVEKLTEQDKKISSSYIRTALQNGDVELANVLLGQPYFIKGIVIHGDKRGRTIGFPTANVGLNNSYIVPPTGVYAVKAEVNGEVYNGVCNIGYKPTFYEKRPEQPSIEVNLFDFNQEVYGAAIKIEWYKRIRSERKFNGIKELTEQIEKDKQEAIRYFSNLRK
Protein
Bifunctional riboflavin kinase/FMN adenylyltransferase: ribC

Gene
ribC
Protein
Riboflavin synthase
Organism
Escherichia coli (strain K12)
Length
213 amino acids
Function
Catalyzes the dismutation of two molecules of 6,7-dimethyl-8-ribityllumazine, resulting in the formation of riboflavin and 5-amino-6-(D-ribitylamino)uracil.
Mass
23.445 kDa
Sequence
MFTGIVQGTAKLVSIDEKPNFRTHVVELPDHMLDGLETGASVAHNGCCLTVTEINGNHVSFDLMKETLRITNLGDLKVGDWVNVERAAKFSDEIGGHLMSGHIMTTAEVAKILTSENNRQIWFKVQDSQLMKYILYKGFIGIDGISLTVGEVTPTRFCVHLIPETLERTTLGKKKLGARVNIEIDPQTQAVVDTVERVLAARENAMNQPGTEA
Protein
Riboflavin synthase: ribC

Gene
ribC
Protein
Riboflavin synthase
Organism
Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440)
Length
156 amino acids
Similarity
Belongs to the DMRL synthase family.
Mass
17.495 kDa
Sequence
MTKKVGIVDTTFARVDMASIAIKKLKELSPNIKIIRKTVPGIKDLPVACKKLLEEEGCDIVMALGMPGKAEKDKVCAHEASLGLMLAQLMTNKHIIEVFVHEDEAKDDKELDWLAKRRAEEHAENVYYLLFKPEYLTRMAGKGLRQGFEDAGPARE
Protein
Riboflavin synthase: ribC

Gene
ribC
Protein
Riboflavin synthase
Organism
Aeropyrum pernix (strain ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 / K1)
Length
155 amino acids
Similarity
Belongs to the DMRL synthase family.
Mass
16.576 kDa
Sequence
MGKCVGVADTTFARVDMGSVAEEVLRRRLPGYRIVRHTVPGIKDLPGAAKRILSMGCEGVITLGWVGRREADKLSYLAASVGLIMVEVLTGKIVIDVTVHEDEAEAPEELAAIAVDRARKHAENLAALIREGPEALVKHAGMGLRQGYPDAGPIK
Protein
Riboflavin synthase: ribC

Gene
ribC
Protein
Riboflavin synthase
Organism
Archaeoglobus fulgidus (strain ATCC 49558 / VC-16 / DSM 4304 / JCM 9628 / NBRC 100126)
Length
153 amino acids
Similarity
Belongs to the DMRL synthase family.
Mass
17.083 kDa
Sequence
MKIGIADTTFSRINMGKIAIDELRKISSIPYERYTVPGIKDLPIAAKKLLEEKGCDIVITLGWVGGTQKDMLSYIVLSMGLVIVQLMTNKHVIDVTIHEDEAEDEKTLMMVAENRVREHVRNAVDLLVNPKRLQKLAGTGQRQGYPDVGPILK
Protein
Riboflavin synthase: ribC

Gene
ribC
Protein
Riboflavin synthase
Organism
Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H)
Length
153 amino acids
Similarity
Belongs to the DMRL synthase family.
Mass
16.909 kDa
Sequence
MIKVGICDTTFARYDMGGAAIDELKKHTAGIKIIRRTVPGIKDLPVACKKLIEEEGCEMVMALGMPGPEEKDKVCAHEASTGLIQAQLMTNTHILEVFVHEDEEDDPEELKVLADNRAREHAQNLIMMLFKPDRLTREAGMGLREGKPDAGPL
Protein
Riboflavin synthase: ribC

Gene
ribC
Protein
Riboflavin synthase
Organism
Methanothermobacter marburgensis (strain ATCC BAA-927 / DSM 2133 / JCM 14651 / NBRC 100331 / OCM 82 / Marburg)
Length
153 amino acids
Function
The relatively low activity of this enzyme suggested that 6,7-dimethyl-8-ribityllumazine might not be its natural substrate.
Similarity
Belongs to the DMRL synthase family.
Mass
16.969 kDa
Sequence
MIKVGICDTTFARYDMGGAAIDEIKKHATGIKIIRRTVPGIKDLPVACKKLIEEEGCEMVMALGMPGPEEKDKVCAHEASTGLIQAQLMTNTHILEVFVHEDEEDDPEDLKVLADNRAREHAQNLIMMLFRPERLTRDAGMGMREGKPDVGPL
Protein
Riboflavin synthase: ribC