RIBF_MYCGE
ID RIBF_MYCGE Reviewed; 269 AA.
AC P47391;
DT 01-FEB-1996, integrated into UniProtKB/Swiss-Prot.
DT 01-FEB-1996, sequence version 1.
DT 03-AUG-2022, entry version 113.
DE RecName: Full=Bifunctional riboflavin kinase/FMN adenylyltransferase {ECO:0000250|UniProtKB:Q59263};
DE AltName: Full=Riboflavin biosynthesis protein RibF {ECO:0000250|UniProtKB:Q59263};
DE Includes:
DE RecName: Full=Riboflavin kinase {ECO:0000250|UniProtKB:Q59263};
DE EC=2.7.1.26 {ECO:0000250|UniProtKB:Q59263};
DE AltName: Full=Flavokinase {ECO:0000250|UniProtKB:Q59263};
DE Includes:
DE RecName: Full=FMN adenylyltransferase {ECO:0000250|UniProtKB:Q59263};
DE EC=2.7.7.2 {ECO:0000250|UniProtKB:Q59263};
DE AltName: Full=FAD pyrophosphorylase {ECO:0000250|UniProtKB:Q59263};
DE AltName: Full=FAD synthase {ECO:0000250|UniProtKB:Q59263};
GN Name=ribF; OrderedLocusNames=MG145;
OS Mycoplasma genitalium (strain ATCC 33530 / DSM 19775 / NCTC 10195 / G37)
OS (Mycoplasmoides genitalium).
OC Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Mycoplasma.
OX NCBI_TaxID=243273;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33530 / DSM 19775 / NCTC 10195 / G37;
RX PubMed=7569993; DOI=10.1126/science.270.5235.397;
RA Fraser C.M., Gocayne J.D., White O., Adams M.D., Clayton R.A.,
RA Fleischmann R.D., Bult C.J., Kerlavage A.R., Sutton G.G., Kelley J.M.,
RA Fritchman J.L., Weidman J.F., Small K.V., Sandusky M., Fuhrmann J.L.,
RA Nguyen D.T., Utterback T.R., Saudek D.M., Phillips C.A., Merrick J.M.,
RA Tomb J.-F., Dougherty B.A., Bott K.F., Hu P.-C., Lucier T.S.,
RA Peterson S.N., Smith H.O., Hutchison C.A. III, Venter J.C.;
RT "The minimal gene complement of Mycoplasma genitalium.";
RL Science 270:397-403(1995).
CC -!- FUNCTION: Catalyzes the phosphorylation of riboflavin to FMN followed
CC by the adenylation of FMN to FAD. {ECO:0000250|UniProtKB:Q59263}.
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:0000250|UniProtKB:Q59263};
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:0000250|UniProtKB:Q59263};
CC -!- PATHWAY: Cofactor biosynthesis; FAD biosynthesis; FAD from FMN: step
CC 1/1. {ECO:0000250|UniProtKB:Q59263}.
CC -!- PATHWAY: Cofactor biosynthesis; FMN biosynthesis; FMN from riboflavin
CC (ATP route): step 1/1. {ECO:0000250|UniProtKB:Q59263}.
CC -!- SIMILARITY: Belongs to the RibF family. {ECO:0000305}.
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DR EMBL; L43967; AAC71363.1; -; Genomic_DNA.
DR PIR; A64216; A64216.
DR RefSeq; WP_009885831.1; NZ_AAGX01000007.1.
DR AlphaFoldDB; P47391; -.
DR SMR; P47391; -.
DR STRING; 243273.MG_145; -.
DR EnsemblBacteria; AAC71363; AAC71363; MG_145.
DR KEGG; mge:MG_145; -.
DR eggNOG; COG0196; Bacteria.
DR HOGENOM; CLU_048437_0_2_14; -.
DR OMA; VCETHIF; -.
DR OrthoDB; 1504821at2; -.
DR BioCyc; MGEN243273:G1GJ2-168-MON; -.
DR UniPathway; UPA00276; UER00406.
DR UniPathway; UPA00277; UER00407.
DR Proteomes; UP000000807; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0003919; F:FMN adenylyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0008531; F:riboflavin kinase activity; IBA:GO_Central.
DR GO; GO:0006747; P:FAD biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0009398; P:FMN biosynthetic process; IBA:GO_Central.
DR GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR GO; GO:0009231; P:riboflavin biosynthetic process; IEA:InterPro.
DR GO; GO:0006771; P:riboflavin metabolic process; IBA:GO_Central.
DR Gene3D; 2.40.30.30; -; 1.
DR Gene3D; 3.40.50.620; -; 1.
DR InterPro; IPR004821; Cyt_trans-like.
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 PANTHER; PTHR22749; PTHR22749; 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; SSF82114; SSF82114; 1.
DR TIGRFAMs; TIGR00125; cyt_tran_rel; 1.
DR TIGRFAMs; TIGR00083; ribF; 1.
PE 3: Inferred from homology;
KW ATP-binding; FAD; Flavoprotein; FMN; Kinase; Multifunctional enzyme;
KW Nucleotide-binding; Nucleotidyltransferase; Reference proteome;
KW Transferase.
FT CHAIN 1..269
FT /note="Bifunctional riboflavin kinase/FMN
FT adenylyltransferase"
FT /id="PRO_0000194145"
SQ SEQUENCE 269 AA; 31091 MW; A6F669F0450D03B0 CRC64;
MKSLFIGYFD GLHQGHLFLK QNSKFEPMVL LIDNPPLKQT NWLYDLQQRV AQIKTYLKAT
VEVFDVAKHN MNALSFFEQQ IKRLNCDEII VGTDWHFGND HKDGIWLKKL FKNTVIVNKT
NLSSSVIRNY LTNNELEKAN QLLVEPYYRV GTVVHGLKKA RLLGFPTANI VMDNHLLTLN
KGSYIVRVLL NNQTFYGIGF ISQKDQDLVC ETHIFNFNNE IYGSLVKFTL LKFIRTISKF
SSQAALQKAI QSDANFALKW LENQNLDKI
