ID   RIFK_CANGA              Reviewed;         189 AA.
AC   Q6FM49;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   11-SEP-2007, sequence version 2.
DT   24-JAN-2024, entry version 100.
DE   RecName: Full=Riboflavin kinase;
DE            EC=2.7.1.26;
DE   AltName: Full=Flavin mononucleotide kinase 1;
GN   Name=FMN1; OrderedLocusNames=CAGL0K11022g;
OS   Candida glabrata (strain ATCC 2001 / BCRC 20586 / JCM 3761 / NBRC 0622 /
OS   NRRL Y-65 / CBS 138) (Yeast) (Nakaseomyces glabratus).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC   Saccharomycetales; Saccharomycetaceae; Nakaseomyces.
OX   NCBI_TaxID=284593;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 2001 / BCRC 20586 / JCM 3761 / NBRC 0622 / NRRL Y-65 / CBS
RC   138;
RX   PubMed=15229592; DOI=10.1038/nature02579;
RA   Dujon B., Sherman D., Fischer G., Durrens P., Casaregola S., Lafontaine I.,
RA   de Montigny J., Marck C., Neuveglise C., Talla E., Goffard N., Frangeul L.,
RA   Aigle M., Anthouard V., Babour A., Barbe V., Barnay S., Blanchin S.,
RA   Beckerich J.-M., Beyne E., Bleykasten C., Boisrame A., Boyer J.,
RA   Cattolico L., Confanioleri F., de Daruvar A., Despons L., Fabre E.,
RA   Fairhead C., Ferry-Dumazet H., Groppi A., Hantraye F., Hennequin C.,
RA   Jauniaux N., Joyet P., Kachouri R., Kerrest A., Koszul R., Lemaire M.,
RA   Lesur I., Ma L., Muller H., Nicaud J.-M., Nikolski M., Oztas S.,
RA   Ozier-Kalogeropoulos O., Pellenz S., Potier S., Richard G.-F.,
RA   Straub M.-L., Suleau A., Swennen D., Tekaia F., Wesolowski-Louvel M.,
RA   Westhof E., Wirth B., Zeniou-Meyer M., Zivanovic Y., Bolotin-Fukuhara M.,
RA   Thierry A., Bouchier C., Caudron B., Scarpelli C., Gaillardin C.,
RA   Weissenbach J., Wincker P., Souciet J.-L.;
RT   "Genome evolution in yeasts.";
RL   Nature 430:35-44(2004).
CC   -!- FUNCTION: Catalyzes the phosphorylation of riboflavin (vitamin B2) to
CC       form flavin mononucleotide (FMN) coenzyme. {ECO:0000250}.
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   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000250};
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC       Note=Zinc or magnesium. {ECO:0000250};
CC   -!- PATHWAY: Cofactor biosynthesis; FMN biosynthesis; FMN from riboflavin
CC       (ATP route): step 1/1.
CC   -!- SIMILARITY: Belongs to the flavokinase family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=CAG61658.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CR380957; CAG61658.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; XP_448695.1; XM_448695.1.
DR   AlphaFoldDB; Q6FM49; -.
DR   SMR; Q6FM49; -.
DR   STRING; 284593.Q6FM49; -.
DR   GeneID; 2890083; -.
DR   KEGG; cgr:CAGL0K11022g; -.
DR   eggNOG; KOG3110; Eukaryota.
DR   HOGENOM; CLU_048437_3_2_1; -.
DR   InParanoid; Q6FM49; -.
DR   UniPathway; UPA00276; UER00406.
DR   Proteomes; UP000002428; Chromosome K.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0008531; F:riboflavin kinase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009398; P:FMN biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   GO; GO:0009231; P:riboflavin biosynthetic process; IEA:InterPro.
DR   Gene3D; 2.40.30.30; Riboflavin kinase-like; 1.
DR   InterPro; IPR023468; Riboflavin_kinase.
DR   InterPro; IPR015865; Riboflavin_kinase_bac/euk.
DR   InterPro; IPR023465; Riboflavin_kinase_dom_sf.
DR   PANTHER; PTHR22749:SF6; RIBOFLAVIN KINASE; 1.
DR   PANTHER; PTHR22749; RIBOFLAVIN KINASE/FMN ADENYLYLTRANSFERASE; 1.
DR   Pfam; PF01687; Flavokinase; 1.
DR   SMART; SM00904; Flavokinase; 1.
DR   SUPFAM; SSF82114; Riboflavin kinase-like; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Flavoprotein; FMN; Kinase; Magnesium; Metal-binding;
KW   Nucleotide-binding; Reference proteome; Transferase; Zinc.
FT   CHAIN           1..189
FT                   /note="Riboflavin kinase"
FT                   /id="PRO_0000301838"
FT   ACT_SITE        124
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000250"
FT   BINDING         42
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000250|UniProtKB:Q969G6"
FT   BINDING         44
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000250|UniProtKB:Q969G6"
SQ   SEQUENCE   189 AA;  21196 MW;  F7A85F00F5ACB876 CRC64;
     MTVRDVDVPI PEQPGAPYPI VTKCCDIVCG FGRGSSELGI PTANVPVDQL PEVVNKLELG
     VYFGYAKVTP VAHDLEQVER EDGRVVSYNY GSHLEEDNGD LEVLPVVLSV GKNPFYHNDF
     KTVEIHILHD FKSTFYGAKI KFNILGYVRP ELDYTSKEAL IEDIKTDIEI SKQVLDTEPY
     RAHMAELLK
//