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Entry: A0A1B9GH30_9TREE
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ID   A0A1B9GH30_9TREE        Unreviewed;       440 AA.
AC   A0A1B9GH30;
DT   02-NOV-2016, integrated into UniProtKB/TrEMBL.
DT   02-NOV-2016, sequence version 1.
DT   24-JAN-2024, entry version 16.
DE   RecName: Full=GTP cyclohydrolase II {ECO:0000256|ARBA:ARBA00012762};
DE            EC=3.5.4.25 {ECO:0000256|ARBA:ARBA00012762};
GN   ORFNames=I316_08020 {ECO:0000313|EMBL:OCF30349.1};
OS   Kwoniella heveanensis BCC8398.
OC   Eukaryota; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Tremellomycetes;
OC   Tremellales; Cryptococcaceae; Kwoniella.
OX   NCBI_TaxID=1296120 {ECO:0000313|EMBL:OCF30349.1, ECO:0000313|Proteomes:UP000092666};
RN   [1] {ECO:0000313|EMBL:OCF30349.1, ECO:0000313|Proteomes:UP000092666}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BCC8398 {ECO:0000313|EMBL:OCF30349.1,
RC   ECO:0000313|Proteomes:UP000092666};
RG   The Broad Institute Genome Sequencing Platform;
RA   Cuomo C., Litvintseva A., Chen Y., Heitman J., Sun S., Springer D.,
RA   Dromer F., Young S.K., Zeng Q., Gargeya S., Fitzgerald M., Abouelleil A.,
RA   Alvarado L., Berlin A.M., Chapman S.B., Dewar J., Goldberg J., Griggs A.,
RA   Gujja S., Hansen M., Howarth C., Imamovic A., Larimer J., McCowan C.,
RA   Murphy C., Pearson M., Priest M., Roberts A., Saif S., Shea T., Sykes S.,
RA   Wortman J., Nusbaum C., Birren B.;
RT   "The Genome Sequence of Cryptococcus heveanensis BCC8398.";
RL   Submitted (JUL-2013) to the EMBL/GenBank/DDBJ databases.
RN   [2] {ECO:0000313|Proteomes:UP000092666}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BCC8398 {ECO:0000313|Proteomes:UP000092666};
RA   Cuomo C., Litvintseva A., Heitman J., Chen Y., Sun S., Springer D.,
RA   Dromer F., Young S., Zeng Q., Chapman S., Gujja S., Saif S., Birren B.;
RT   "Evolution of pathogenesis and genome organization in the Tremellales.";
RL   Submitted (DEC-2013) to the EMBL/GenBank/DDBJ databases.
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: Belongs to the GTP cyclohydrolase II family.
CC       {ECO:0000256|ARBA:ARBA00008131}.
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DR   EMBL; KV700154; OCF30349.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A1B9GH30; -.
DR   STRING; 1296120.A0A1B9GH30; -.
DR   Proteomes; UP000092666; Unassembled WGS sequence.
DR   GO; GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
DR   GO; GO:0003935; F:GTP cyclohydrolase II activity; IEA:InterPro.
DR   GO; GO:0009231; P:riboflavin biosynthetic process; IEA:InterPro.
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:SF29; GTP CYCLOHYDROLASE-2; 1.
DR   Pfam; PF00925; GTP_cyclohydro2; 2.
DR   SUPFAM; SSF142695; RibA-like; 3.
PE   3: Inferred from homology;
KW   GTP-binding {ECO:0000256|ARBA:ARBA00023134};
KW   Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000313|EMBL:OCF30349.1};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741};
KW   Reference proteome {ECO:0000313|Proteomes:UP000092666};
KW   Riboflavin biosynthesis {ECO:0000256|ARBA:ARBA00022619}.
FT   DOMAIN          175..212
FT                   /note="GTP cyclohydrolase II"
FT                   /evidence="ECO:0000259|Pfam:PF00925"
FT   DOMAIN          273..362
FT                   /note="GTP cyclohydrolase II"
FT                   /evidence="ECO:0000259|Pfam:PF00925"
FT   REGION          1..21
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          228..267
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   440 AA;  48659 MW;  1E539E41068B091E CRC64;
     MSMDPTPISQ TLQLASPSSS NYFHPSPSFH NPLLSSSSPV IPPPGRIKVR CMARTRIPTP
     HGELFLHLYH NSHDQKEHLA IVIDPIQLDP AAKSFAPKSR KEIRSISLDE KWREGETDME
     RVVRGAYVGR LLPGGEGNNT QPIEPTQVGQ DDITMGIDGD EQIGGTESSS FAEEEDVKPL
     VRIHSECYTG ETIGSMRCDC GEQLDEAMRL IALPQELSKQ IQAHLHSGVH AHQGSDNRQD
     LKTEAFPTPE SSRAGSPHAD RATVDNRRDV VPGRGVVIYL RQEGRGIGLL EKIRAYNLQD
     LGHDTVTANL MLGHGADERK YDIAAEMLRD LGLAEGGIRL LTNNPEKVEG LSREGIRIVE
     RVGMTPRDWK CTTQDDGHVH VGLEKNNAGE DAEKEYEDWR TRRAGVGLIG AGKVKGPELE
     KYLRTKVERM GHMIDIPEGL
//
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