ID   GCH1L_NOSS1             Reviewed;         263 AA.
AC   Q8YS75;
DT   15-MAY-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 90.
DE   RecName: Full=GTP cyclohydrolase 1 type 2 homolog;
GN   OrderedLocusNames=alr3216;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
CC   -!- SUBUNIT: Homohexamer. {ECO:0000250|UniProtKB:P0AFP6}.
CC   -!- SIMILARITY: Belongs to the GTP cyclohydrolase I type 2/NIF3 family.
CC       {ECO:0000305}.
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DR   EMBL; BA000019; BAB74915.1; -; Genomic_DNA.
DR   PIR; AI2207; AI2207.
DR   RefSeq; WP_010997367.1; NZ_RSCN01000001.1.
DR   AlphaFoldDB; Q8YS75; -.
DR   SMR; Q8YS75; -.
DR   STRING; 103690.17132311; -.
DR   EnsemblBacteria; BAB74915; BAB74915; BAB74915.
DR   KEGG; ana:alr3216; -.
DR   eggNOG; COG0327; Bacteria.
DR   OMA; ISMHTNF; -.
DR   OrthoDB; 502462at2; -.
DR   Proteomes; UP000002483; Chromosome.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   InterPro; IPR002678; DUF34/NIF3.
DR   InterPro; IPR036069; DUF34/NIF3_sf.
DR   PANTHER; PTHR13799; PTHR13799; 1.
DR   Pfam; PF01784; NIF3; 1.
DR   SUPFAM; SSF102705; SSF102705; 1.
DR   TIGRFAMs; TIGR00486; YbgI_SA1388; 1.
PE   3: Inferred from homology;
KW   Metal-binding; Reference proteome.
FT   CHAIN           1..263
FT                   /note="GTP cyclohydrolase 1 type 2 homolog"
FT                   /id="PRO_0000147293"
FT   BINDING         65
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250|UniProtKB:P0AFP6"
FT   BINDING         66
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250|UniProtKB:P0AFP6"
FT   BINDING         104
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250|UniProtKB:P0AFP6"
FT   BINDING         225
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250|UniProtKB:P0AFP6"
FT   BINDING         229
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250|UniProtKB:P0AFP6"
FT   BINDING         229
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250|UniProtKB:P0AFP6"
SQ   SEQUENCE   263 AA;  29096 MW;  A906D246F5104487 CRC64;
     MKIADLITWF ESWANPAWCE SWDNCGWQIE PGILHEEARV LVCLTPTLAV MEEAIALQAN
     LIFAHHPLIF SPPKSLRRGE AIADMARLAF TKNIGIYSAH TNFDQVEDGT ADVLAQILGL
     KDVAPIVPTQ GGLGYGRVGL LDPFLNLQEL LTVIQTRLAP PDLIFSPTAD LQQIISRVAV
     LGGSGAGFIS AVAETGAEAY LTSDCKFHQF QESRDRGLIL IDAGHYATER PACDRLVEKL
     RSLNLHWVQL SNQDEDFRQF FVK