ID K3Z6V1_SETIT Unreviewed; 393 AA.
AC K3Z6V1;
DT 28-NOV-2012, integrated into UniProtKB/TrEMBL.
DT 28-NOV-2012, sequence version 1.
DT 24-JAN-2024, entry version 52.
DE RecName: Full=GTP cyclohydrolase II {ECO:0000256|ARBA:ARBA00012762};
DE EC=3.5.4.25 {ECO:0000256|ARBA:ARBA00012762};
OS Setaria italica (Foxtail millet) (Panicum italicum).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; PACMAD clade;
OC Panicoideae; Panicodae; Paniceae; Cenchrinae; Setaria.
OX NCBI_TaxID=4555 {ECO:0000313|EnsemblPlants:KQL15163, ECO:0000313|Proteomes:UP000004995};
RN [1] {ECO:0000313|EnsemblPlants:KQL15163, ECO:0000313|Proteomes:UP000004995}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. Yugu1 {ECO:0000313|EnsemblPlants:KQL15163,
RC ECO:0000313|Proteomes:UP000004995};
RX PubMed=22580951; DOI=10.1038/nbt.2196;
RA Bennetzen J.L., Schmutz J., Wang H., Percifield R., Hawkins J.,
RA Pontaroli A.C., Estep M., Feng L., Vaughn J.N., Grimwood J., Jenkins J.,
RA Barry K., Lindquist E., Hellsten U., Deshpande S., Wang X., Wu X.,
RA Mitros T., Triplett J., Yang X., Ye C.Y., Mauro-Herrera M., Wang L., Li P.,
RA Sharma M., Sharma R., Ronald P.C., Panaud O., Kellogg E.A., Brutnell T.P.,
RA Doust A.N., Tuskan G.A., Rokhsar D., Devos K.M.;
RT "Reference genome sequence of the model plant Setaria.";
RL Nat. Biotechnol. 30:555-561(2012).
RN [2] {ECO:0000313|EnsemblPlants:KQL15163}
RP IDENTIFICATION.
RC STRAIN=Yugu1 {ECO:0000313|EnsemblPlants:KQL15163};
RG EnsemblPlants;
RL Submitted (AUG-2018) to UniProtKB.
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}.
CC -!- SIMILARITY: In the C-terminal section; belongs to the GTP
CC cyclohydrolase II family. {ECO:0000256|ARBA:ARBA00008976}.
CC -!- SIMILARITY: In the N-terminal section; belongs to the DHBP synthase
CC family. {ECO:0000256|ARBA:ARBA00005520}.
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DR EMBL; AGNK02001663; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR AlphaFoldDB; K3Z6V1; -.
DR STRING; 4555.K3Z6V1; -.
DR EnsemblPlants; KQL15163; KQL15163; SETIT_022270mg.
DR Gramene; KQL15163; KQL15163; SETIT_022270mg.
DR eggNOG; KOG1284; Eukaryota.
DR HOGENOM; CLU_020273_1_2_1; -.
DR InParanoid; K3Z6V1; -.
DR OMA; ECRGLIC; -.
DR UniPathway; UPA00275; UER00400.
DR Proteomes; UP000004995; Chromosome III.
DR GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR GO; GO:0008686; F:3,4-dihydroxy-2-butanone-4-phosphate synthase activity; IBA:GO_Central.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
DR GO; GO:0003935; F:GTP cyclohydrolase II activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0009231; P:riboflavin biosynthetic process; IBA:GO_Central.
DR CDD; cd00641; GTP_cyclohydro2; 1.
DR Gene3D; 3.90.870.10; DHBP synthase; 1.
DR Gene3D; 3.40.50.10990; GTP cyclohydrolase II; 1.
DR HAMAP; MF_00179; RibA; 1.
DR InterPro; IPR017945; DHBP_synth_RibB-like_a/b_dom.
DR InterPro; IPR000422; DHBP_synthase_RibB.
DR InterPro; IPR032677; GTP_cyclohydro_II.
DR InterPro; IPR000926; RibA.
DR InterPro; IPR036144; RibA-like_sf.
DR NCBIfam; TIGR00505; ribA; 1.
DR PANTHER; PTHR21327; GTP CYCLOHYDROLASE II-RELATED; 1.
DR PANTHER; PTHR21327:SF29; GTP CYCLOHYDROLASE-2; 1.
DR Pfam; PF00926; DHBP_synthase; 1.
DR Pfam; PF00925; GTP_cyclohydro2; 1.
DR PIRSF; PIRSF001259; RibA; 1.
DR SUPFAM; SSF142695; RibA-like; 1.
DR SUPFAM; SSF55821; YrdC/RibB; 1.
PE 3: Inferred from homology;
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741};
KW Reference proteome {ECO:0000313|Proteomes:UP000004995};
KW Riboflavin biosynthesis {ECO:0000256|ARBA:ARBA00022619}.
FT DOMAIN 180..343
FT /note="GTP cyclohydrolase II"
FT /evidence="ECO:0000259|Pfam:PF00925"
FT REGION 372..393
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 393 AA; 42631 MW; 56034AD6D7F3A8D5 CRC64;
MAATLVNPES IAFMIRNGSG IISVGMKEED LTRLMIPMMS PITEIEDIST AASTVTVDAR
VGISTGVSAA DRAKTILTLA SPDSKPSDLR RPGHIFPLKY RNGGVLKRVG HTEASVDLVV
LAGLRPVSVL STVMDPKDGS MAGITVLQQM AMEHDIPIIS IADLIRYRRK REKLVELIAV
SRLPTKWGLF RAYCYQSKLD GTEHIAVVKG DIGDGEDVLV RVHSECLTGD ILGSARCDCG
DQLELAMQLI EKAGRGVLVY LRGHEGRGIG LGQKLRAYNL QDEGHDTVEA NVELGLAVDA
REYGIGAQIL RDIGVRTMRL MTNNPAKFIG LKGYGLAVVG RVPVLSPITK ENQKYLETKR
TKMGHVYGSD LPGRLSEFAN PQDTAADEDD TQN
//