HIS3_METBU
ID HIS3_METBU Reviewed; 121 AA.
AC Q12V48;
DT 26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 22-AUG-2006, sequence version 1.
DT 03-AUG-2022, entry version 81.
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=Mbur_1790;
OS Methanococcoides burtonii (strain DSM 6242 / NBRC 107633 / OCM 468 /
OS ACE-M).
OC Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC Methanosarcinales; Methanosarcinaceae; Methanococcoides.
OX NCBI_TaxID=259564;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 6242 / NBRC 107633 / OCM 468 / ACE-M;
RX PubMed=19404327; DOI=10.1038/ismej.2009.45;
RA Allen M.A., Lauro F.M., Williams T.J., Burg D., Siddiqui K.S.,
RA De Francisci D., Chong K.W., Pilak O., Chew H.H., De Maere M.Z., Ting L.,
RA Katrib M., Ng C., Sowers K.R., Galperin M.Y., Anderson I.J., Ivanova N.,
RA Dalin E., Martinez M., Lapidus A., Hauser L., Land M., Thomas T.,
RA Cavicchioli R.;
RT "The genome sequence of the psychrophilic archaeon, Methanococcoides
RT burtonii: the role of genome evolution in cold adaptation.";
RL ISME J. 3:1012-1035(2009).
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; CP000300; ABE52678.1; -; Genomic_DNA.
DR RefSeq; WP_011499821.1; NC_007955.1.
DR AlphaFoldDB; Q12V48; -.
DR SMR; Q12V48; -.
DR STRING; 259564.Mbur_1790; -.
DR EnsemblBacteria; ABE52678; ABE52678; Mbur_1790.
DR GeneID; 3997771; -.
DR KEGG; mbu:Mbur_1790; -.
DR HOGENOM; CLU_048577_5_0_2; -.
DR OMA; TGYRSCF; -.
DR OrthoDB; 101275at2157; -.
DR UniPathway; UPA00031; UER00008.
DR Proteomes; UP000001979; 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..121
FT /note="Phosphoribosyl-AMP cyclohydrolase"
FT /id="PRO_0000319727"
FT BINDING 76
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT BINDING 77
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 78
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT BINDING 80
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01021"
FT BINDING 93
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 100
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 121 AA; 13661 MW; 39F288FA2DD1DA71 CRC64;
MIDLDTLKFD GNGLIGAIAQ DNRTGEVLMF AFMNREALEK TIETGIAHYW SRSRQKLWKK
GESSGHMQKV HELLIDCDMD AIILKISQEG GACHTGYRSC FYRNIEGDVV GEKVFDPADV
Y
