HIS3_RHOPA
ID HIS3_RHOPA Reviewed; 151 AA.
AC P60544;
DT 15-MAR-2004, integrated into UniProtKB/Swiss-Prot.
DT 15-MAR-2004, sequence version 1.
DT 03-AUG-2022, entry version 102.
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}; Synonyms=his3;
GN OrderedLocusNames=RPA3390;
OS Rhodopseudomonas palustris (strain ATCC BAA-98 / CGA009).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Bradyrhizobiaceae; Rhodopseudomonas.
OX NCBI_TaxID=258594;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-98 / CGA009;
RX PubMed=14704707; DOI=10.1038/nbt923;
RA Larimer F.W., Chain P., Hauser L., Lamerdin J.E., Malfatti S., Do L.,
RA Land M.L., Pelletier D.A., Beatty J.T., Lang A.S., Tabita F.R.,
RA Gibson J.L., Hanson T.E., Bobst C., Torres y Torres J.L., Peres C.,
RA Harrison F.H., Gibson J., Harwood C.S.;
RT "Complete genome sequence of the metabolically versatile photosynthetic
RT bacterium Rhodopseudomonas palustris.";
RL Nat. Biotechnol. 22:55-61(2004).
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; BX572603; CAE28831.1; -; Genomic_DNA.
DR RefSeq; WP_011158932.1; NC_005296.1.
DR AlphaFoldDB; P60544; -.
DR SMR; P60544; -.
DR STRING; 258594.RPA3390; -.
DR PRIDE; P60544; -.
DR EnsemblBacteria; CAE28831; CAE28831; RPA3390.
DR GeneID; 66894480; -.
DR KEGG; rpa:RPA3390; -.
DR eggNOG; COG0139; Bacteria.
DR HOGENOM; CLU_048577_5_0_5; -.
DR OMA; TGYRSCF; -.
DR PhylomeDB; P60544; -.
DR BioCyc; RPAL258594:TX73_RS17285-MON; -.
DR UniPathway; UPA00031; UER00008.
DR Proteomes; UP000001426; 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..151
FT /note="Phosphoribosyl-AMP cyclohydrolase"
FT /id="PRO_0000136498"
FT BINDING 94
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 96
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT BINDING 98
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT BINDING 112
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 119
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 151 AA; 16764 MW; A1F723C8F7EFD9F6 CRC64;
MSSESRSASS PVAPDDIEEG VVLRPKFDAH GLVTVVATDA RTGDVLMVAF MNGEALDRTI
QTGEAWYYSR SRKRLWKKGE TSGHIQKVLE MRVDCDQDAV WIKVDQTGGA ACHTGRHSCF
YRRIDRGGDG APVLIETDSE RKFDPDKVYG K
