ID D7CFM2_STRBB Unreviewed; 181 AA.
AC D7CFM2;
DT 10-AUG-2010, integrated into UniProtKB/TrEMBL.
DT 10-AUG-2010, sequence version 1.
DT 27-MAR-2024, entry version 60.
DE RecName: Full=GTP cyclohydrolase II {ECO:0000256|ARBA:ARBA00012762};
DE EC=3.5.4.25 {ECO:0000256|ARBA:ARBA00012762};
GN OrderedLocusNames=SBI_01637 {ECO:0000313|EMBL:ADI04758.1};
OS Streptomyces bingchenggensis (strain BCW-1).
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=749414 {ECO:0000313|EMBL:ADI04758.1, ECO:0000313|Proteomes:UP000000377};
RN [1] {ECO:0000313|EMBL:ADI04758.1, ECO:0000313|Proteomes:UP000000377}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BCW-1 {ECO:0000313|EMBL:ADI04758.1,
RC ECO:0000313|Proteomes:UP000000377};
RX PubMed=20581206; DOI=10.1128/JB.00596-10;
RA Wang X.J., Yan Y.J., Zhang B., An J., Wang J.J., Tian J., Jiang L.,
RA Chen Y.H., Huang S.X., Yin M., Zhang J., Gao A.L., Liu C.X., Zhu Z.X.,
RA Xiang W.S.;
RT "Genome sequence of the milbemycin-producing bacterium Streptomyces
RT bingchenggensis.";
RL J. Bacteriol. 192:4526-4527(2010).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=GTP + 4 H2O = 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)-
CC pyrimidine + formate + 3 H(+) + 2 phosphate; Xref=Rhea:RHEA:23704,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15740,
CC ChEBI:CHEBI:37565, ChEBI:CHEBI:43474, ChEBI:CHEBI:58614; EC=3.5.4.25;
CC Evidence={ECO:0000256|ARBA:ARBA00029293};
CC -!- PATHWAY: Cofactor biosynthesis; riboflavin biosynthesis.
CC {ECO:0000256|ARBA:ARBA00005104}.
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DR EMBL; CP002047; ADI04758.1; -; Genomic_DNA.
DR AlphaFoldDB; D7CFM2; -.
DR STRING; 749414.SBI_01637; -.
DR KEGG; sbh:SBI_01637; -.
DR PATRIC; fig|749414.3.peg.1690; -.
DR eggNOG; COG0807; Bacteria.
DR HOGENOM; CLU_020273_2_1_11; -.
DR UniPathway; UPA00275; -.
DR Proteomes; UP000000377; Chromosome.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
DR GO; GO:0003935; F:GTP cyclohydrolase II activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0009231; P:riboflavin biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd00641; GTP_cyclohydro2; 1.
DR Gene3D; 3.40.50.10990; GTP cyclohydrolase II; 1.
DR InterPro; IPR032677; GTP_cyclohydro_II.
DR InterPro; IPR000926; RibA.
DR InterPro; IPR036144; RibA-like_sf.
DR PANTHER; PTHR21327; GTP CYCLOHYDROLASE II-RELATED; 1.
DR PANTHER; PTHR21327:SF48; RIBOFLAVIN BIOSYNTHESIS PROTEIN RIBBA; 1.
DR Pfam; PF00925; GTP_cyclohydro2; 1.
DR SUPFAM; SSF142695; RibA-like; 1.
PE 4: Predicted;
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000313|EMBL:ADI04758.1};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741};
KW Reference proteome {ECO:0000313|Proteomes:UP000000377};
KW Riboflavin biosynthesis {ECO:0000256|ARBA:ARBA00022619}.
FT DOMAIN 2..147
FT /note="GTP cyclohydrolase II"
FT /evidence="ECO:0000259|Pfam:PF00925"
SQ SEQUENCE 181 AA; 19788 MW; B2E6917400845AB7 CRC64;
MDTIRGDEQI ALVYGDVAGD RALTRLHSEC LTGDAFGSRH CECGDQLSAA LRAIASEGCG
ILVYLQGHEG RGIGLLAKLR AMQLQAEGLD TVEANLALGL PVDARDYRVA ADILHDLGVR
SVRLLSNNPR KRESLLRHGI KVAEQVPLLI PPREENFAYL RAKADRLDHH LPHLDSVAER
S
//
