HIS3_PSEE4
ID HIS3_PSEE4 Reviewed; 130 AA.
AC Q1I3S7;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 13-JUN-2006, sequence version 1.
DT 03-AUG-2022, entry version 90.
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=PSEEN5076;
OS Pseudomonas entomophila (strain L48).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Pseudomonas.
OX NCBI_TaxID=384676;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=L48;
RX PubMed=16699499; DOI=10.1038/nbt1212;
RA Vodovar N., Vallenet D., Cruveiller S., Rouy Z., Barbe V., Acosta C.,
RA Cattolico L., Jubin C., Lajus A., Segurens B., Vacherie B., Wincker P.,
RA Weissenbach J., Lemaitre B., Medigue C., Boccard F.;
RT "Complete genome sequence of the entomopathogenic and metabolically
RT versatile soil bacterium Pseudomonas entomophila.";
RL Nat. Biotechnol. 24:673-679(2006).
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; CT573326; CAK17709.1; -; Genomic_DNA.
DR RefSeq; WP_011536069.1; NC_008027.1.
DR AlphaFoldDB; Q1I3S7; -.
DR SMR; Q1I3S7; -.
DR STRING; 384676.PSEEN5076; -.
DR EnsemblBacteria; CAK17709; CAK17709; PSEEN5076.
DR GeneID; 58766237; -.
DR KEGG; pen:PSEEN5076; -.
DR eggNOG; COG0139; Bacteria.
DR HOGENOM; CLU_048577_5_0_6; -.
DR OMA; TGYRSCF; -.
DR OrthoDB; 1842189at2; -.
DR UniPathway; UPA00031; UER00008.
DR Proteomes; UP000000658; 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; Zinc.
FT CHAIN 1..130
FT /note="Phosphoribosyl-AMP cyclohydrolase"
FT /id="PRO_1000063426"
FT BINDING 77
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT BINDING 78
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 79
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT BINDING 81
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT BINDING 95
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 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"
SQ SEQUENCE 130 AA; 15005 MW; A69966FEC28EB90C CRC64;
MKDWLDEIKW NSDGLVPAIA QDHKTGRVLM MAWMNRESLA LTAAEHRAIY WSRSRGKLWR
KGEESGHVQK LHEMRLDCDA DVIILMVEQL GHIACHTGRE SCFYRVFEDG QWKTVDPVLK
DPNAIYSAGH
