ID   HIS3_CORDI              Reviewed;         116 AA.
AC   P60541;
DT   15-MAR-2004, integrated into UniProtKB/Swiss-Prot.
DT   15-MAR-2004, sequence version 1.
DT   03-AUG-2022, entry version 101.
DE   RecName: Full=Phosphoribosyl-AMP cyclohydrolase {ECO:0000255|HAMAP-Rule:MF_01021};
DE            Short=PRA-CH {ECO:0000255|HAMAP-Rule:MF_01021};
DE            EC=3.5.4.19 {ECO:0000255|HAMAP-Rule:MF_01021};
GN   Name=hisI {ECO:0000255|HAMAP-Rule:MF_01021}; OrderedLocusNames=DIP1557;
OS   Corynebacterium diphtheriae (strain ATCC 700971 / NCTC 13129 / Biotype
OS   gravis).
OC   Bacteria; Actinobacteria; Corynebacteriales; Corynebacteriaceae;
OC   Corynebacterium.
OX   NCBI_TaxID=257309;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700971 / NCTC 13129 / Biotype gravis;
RX   PubMed=14602910; DOI=10.1093/nar/gkg874;
RA   Cerdeno-Tarraga A.-M., Efstratiou A., Dover L.G., Holden M.T.G.,
RA   Pallen M.J., Bentley S.D., Besra G.S., Churcher C.M., James K.D.,
RA   De Zoysa A., Chillingworth T., Cronin A., Dowd L., Feltwell T., Hamlin N.,
RA   Holroyd S., Jagels K., Moule S., Quail M.A., Rabbinowitsch E.,
RA   Rutherford K.M., Thomson N.R., Unwin L., Whitehead S., Barrell B.G.,
RA   Parkhill J.;
RT   "The complete genome sequence and analysis of Corynebacterium diphtheriae
RT   NCTC13129.";
RL   Nucleic Acids Res. 31:6516-6523(2003).
CC   -!- FUNCTION: Catalyzes the hydrolysis of the adenine ring of
CC       phosphoribosyl-AMP. {ECO:0000255|HAMAP-Rule:MF_01021}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=1-(5-phospho-beta-D-ribosyl)-5'-AMP + H2O = 1-(5-phospho-beta-
CC         D-ribosyl)-5-[(5-phospho-beta-D-
CC         ribosylamino)methylideneamino]imidazole-4-carboxamide;
CC         Xref=Rhea:RHEA:20049, ChEBI:CHEBI:15377, ChEBI:CHEBI:58435,
CC         ChEBI:CHEBI:59457; EC=3.5.4.19; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01021};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01021};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01021};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01021};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01021};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC       from 5-phospho-alpha-D-ribose 1-diphosphate: step 3/9.
CC       {ECO:0000255|HAMAP-Rule:MF_01021}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01021}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01021}.
CC   -!- SIMILARITY: Belongs to the PRA-CH family. {ECO:0000255|HAMAP-
CC       Rule:MF_01021}.
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DR   EMBL; BX248358; CAE50082.1; -; Genomic_DNA.
DR   RefSeq; WP_003852067.1; NC_002935.2.
DR   AlphaFoldDB; P60541; -.
DR   SMR; P60541; -.
DR   STRING; 257309.DIP1557; -.
DR   EnsemblBacteria; CAE50082; CAE50082; DIP1557.
DR   GeneID; 29421391; -.
DR   KEGG; cdi:DIP1557; -.
DR   HOGENOM; CLU_048577_5_1_11; -.
DR   OMA; TGYRSCF; -.
DR   OrthoDB; 1842189at2; -.
DR   UniPathway; UPA00031; UER00008.
DR   Proteomes; UP000002198; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004635; F:phosphoribosyl-AMP cyclohydrolase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.10.20.810; -; 1.
DR   HAMAP; MF_01021; HisI; 1.
DR   InterPro; IPR026660; PRA-CH.
DR   InterPro; IPR002496; PRib_AMP_CycHydrolase_dom.
DR   InterPro; IPR038019; PRib_AMP_CycHydrolase_sf.
DR   Pfam; PF01502; PRA-CH; 1.
DR   SUPFAM; SSF141734; SSF141734; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Cytoplasm; Histidine biosynthesis; Hydrolase;
KW   Magnesium; Metal-binding; Reference proteome; Zinc.
FT   CHAIN           1..116
FT                   /note="Phosphoribosyl-AMP cyclohydrolase"
FT                   /id="PRO_0000136473"
FT   BINDING         85
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT   BINDING         86
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT   BINDING         87
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT   BINDING         89
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT   BINDING         102
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT   BINDING         109
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
SQ   SEQUENCE   116 AA;  12615 MW;  966F9AA51C43CD34 CRC64;
     MDDPASYELD PSIAQRVKFN SAGLVPAVVQ STDGEVLMLA WMDAHALAYT IATRKGTYFS
     RSRNEYWIKG LTSGHTQQVT GLQLDCDGDT VLMTVVQQGG ACHTGDRTCF DADVII