ID I3CHT7_9GAMM Unreviewed; 309 AA.
AC I3CHT7;
DT 11-JUL-2012, integrated into UniProtKB/TrEMBL.
DT 11-JUL-2012, sequence version 1.
DT 27-MAR-2024, entry version 41.
DE RecName: Full=Riboflavin biosynthesis protein {ECO:0000256|PIRNR:PIRNR004491};
DE Includes:
DE RecName: Full=Riboflavin kinase {ECO:0000256|PIRNR:PIRNR004491};
DE EC=2.7.1.26 {ECO:0000256|PIRNR:PIRNR004491};
DE AltName: Full=Flavokinase {ECO:0000256|PIRNR:PIRNR004491};
DE Includes:
DE RecName: Full=FMN adenylyltransferase {ECO:0000256|PIRNR:PIRNR004491};
DE EC=2.7.7.2 {ECO:0000256|PIRNR:PIRNR004491};
DE AltName: Full=FAD pyrophosphorylase {ECO:0000256|PIRNR:PIRNR004491};
DE AltName: Full=FAD synthase {ECO:0000256|PIRNR:PIRNR004491};
GN ORFNames=BegalDRAFT_2326 {ECO:0000313|EMBL:EIJ43180.1};
OS Beggiatoa alba B18LD.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Thiotrichaceae; Beggiatoa.
OX NCBI_TaxID=395493 {ECO:0000313|EMBL:EIJ43180.1, ECO:0000313|Proteomes:UP000005744};
RN [1] {ECO:0000313|EMBL:EIJ43180.1, ECO:0000313|Proteomes:UP000005744}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B18LD {ECO:0000313|EMBL:EIJ43180.1,
RC ECO:0000313|Proteomes:UP000005744};
RG US DOE Joint Genome Institute;
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Mikhailova N., Held B., Detter J.C., Han C., Tapia R., Land M.,
RA Hauser L., Kyrpides N., Ivanova N., Pagani I., Samuel K., Teske A.,
RA Mueller J., Woyke T.;
RT "Improved High-Quality Draft sequence of Beggiatoa alba B18lD.";
RL Submitted (NOV-2011) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the phosphorylation of riboflavin to FMN followed
CC by the adenylation of FMN to FAD. {ECO:0000256|ARBA:ARBA00002121}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + FMN + H(+) = diphosphate + FAD; Xref=Rhea:RHEA:17237,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019,
CC ChEBI:CHEBI:57692, ChEBI:CHEBI:58210; EC=2.7.7.2;
CC Evidence={ECO:0000256|ARBA:ARBA00001332,
CC ECO:0000256|PIRNR:PIRNR004491};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + riboflavin = ADP + FMN + H(+); Xref=Rhea:RHEA:14357,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:57986,
CC ChEBI:CHEBI:58210, ChEBI:CHEBI:456216; EC=2.7.1.26;
CC Evidence={ECO:0000256|ARBA:ARBA00000372,
CC ECO:0000256|PIRNR:PIRNR004491};
CC -!- PATHWAY: Cofactor biosynthesis; FAD biosynthesis; FAD from FMN: step
CC 1/1. {ECO:0000256|ARBA:ARBA00004726, ECO:0000256|PIRNR:PIRNR004491}.
CC -!- PATHWAY: Cofactor biosynthesis; FMN biosynthesis; FMN from riboflavin
CC (ATP route): step 1/1. {ECO:0000256|ARBA:ARBA00005201,
CC ECO:0000256|PIRNR:PIRNR004491}.
CC -!- SIMILARITY: Belongs to the ribF family.
CC {ECO:0000256|PIRNR:PIRNR004491}.
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DR EMBL; JH600070; EIJ43180.1; -; Genomic_DNA.
DR RefSeq; WP_002690140.1; NZ_JH600070.1.
DR AlphaFoldDB; I3CHT7; -.
DR STRING; 395493.BegalDRAFT_2326; -.
DR eggNOG; COG0196; Bacteria.
DR HOGENOM; CLU_048437_0_1_6; -.
DR OrthoDB; 9803667at2; -.
DR UniPathway; UPA00276; UER00406.
DR UniPathway; UPA00277; UER00407.
DR Proteomes; UP000005744; Unassembled WGS sequence.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003919; F:FMN adenylyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008531; F:riboflavin kinase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006747; P:FAD biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0009398; P:FMN biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR GO; GO:0009231; P:riboflavin biosynthetic process; IEA:InterPro.
DR CDD; cd02064; FAD_synthetase_N; 1.
DR Gene3D; 3.40.50.620; HUPs; 1.
DR Gene3D; 2.40.30.30; Riboflavin kinase-like; 1.
DR InterPro; IPR015864; FAD_synthase.
DR InterPro; IPR023468; Riboflavin_kinase.
DR InterPro; IPR002606; Riboflavin_kinase_bac.
DR InterPro; IPR015865; Riboflavin_kinase_bac/euk.
DR InterPro; IPR023465; Riboflavin_kinase_dom_sf.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR NCBIfam; TIGR00083; ribF; 1.
DR PANTHER; PTHR22749:SF6; RIBOFLAVIN KINASE; 1.
DR PANTHER; PTHR22749; RIBOFLAVIN KINASE/FMN ADENYLYLTRANSFERASE; 1.
DR Pfam; PF06574; FAD_syn; 1.
DR Pfam; PF01687; Flavokinase; 1.
DR PIRSF; PIRSF004491; FAD_Synth; 1.
DR SMART; SM00904; Flavokinase; 1.
DR SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR SUPFAM; SSF82114; Riboflavin kinase-like; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|PIRNR:PIRNR004491};
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRNR:PIRNR004491};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630,
KW ECO:0000256|PIRNR:PIRNR004491};
KW FMN {ECO:0000256|ARBA:ARBA00022643, ECO:0000256|PIRNR:PIRNR004491};
KW Kinase {ECO:0000256|PIRNR:PIRNR004491, ECO:0000313|EMBL:EIJ43180.1};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|PIRNR:PIRNR004491};
KW Nucleotidyltransferase {ECO:0000256|PIRNR:PIRNR004491,
KW ECO:0000313|EMBL:EIJ43180.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000005744};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR004491}.
FT DOMAIN 182..306
FT /note="Riboflavin kinase"
FT /evidence="ECO:0000259|SMART:SM00904"
SQ SEQUENCE 309 AA; 35066 MW; E0CF094ECEBA4FB0 CRC64;
MELIRSLAQL RPQHRGCVAT IGNFDGVHRG HQVILKQLQQ HAQALQLPTT VIIFEPQPQE
FFAPDRAPPR LTRLREKLIA FQRYGIDRVL CLRFAKTALL TADTFIQTIL IEGLGIQYLV
VGDDFRFGKG RTGDFKLLQQ AGMQAGFQVE SQHTFIVDGD RVSSTRIRQA LRQGDMQLAQ
QLLGHPYTLS GRVRHGFQRG RTIGFPTANI FLHRHASPVN GVFAVRVHGL ETYPINGVAN
LGTRPTVDGQ DLLLETHLFD FQRMIYGHYV DVEFVKKIRE EQRFASFEAL KQQIQIDAAT
ARTYLETHS
//
