HIS3_SACS2
ID HIS3_SACS2 Reviewed; 85 AA.
AC O33778;
DT 15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT 01-JAN-1998, sequence version 1.
DT 03-AUG-2022, entry version 109.
DE RecName: Full=Phosphoribosyl-AMP cyclohydrolase;
DE Short=PRA-CH;
DE EC=3.5.4.19;
GN Name=hisI; OrderedLocusNames=SSO6227;
OS Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
OS (Sulfolobus solfataricus).
OC Archaea; Crenarchaeota; Thermoprotei; Sulfolobales; Sulfolobaceae;
OC Saccharolobus.
OX NCBI_TaxID=273057;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=ATCC 35092 / DSM 1617 / JCM 11322 / P2;
RX PubMed=9209067; DOI=10.1128/jb.179.13.4429-4432.1997;
RA Charlebois R.L., Sensen C.W., Doolittle W.F., Brown J.R.;
RT "Evolutionary analysis of the hisCGABdFDEHI gene cluster from the archaeon
RT Sulfolobus solfataricus P2.";
RL J. Bacteriol. 179:4429-4432(1997).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35092 / DSM 1617 / JCM 11322 / P2;
RX PubMed=11427726; DOI=10.1073/pnas.141222098;
RA She Q., Singh R.K., Confalonieri F., Zivanovic Y., Allard G., Awayez M.J.,
RA Chan-Weiher C.C.-Y., Clausen I.G., Curtis B.A., De Moors A., Erauso G.,
RA Fletcher C., Gordon P.M.K., Heikamp-de Jong I., Jeffries A.C., Kozera C.J.,
RA Medina N., Peng X., Thi-Ngoc H.P., Redder P., Schenk M.E., Theriault C.,
RA Tolstrup N., Charlebois R.L., Doolittle W.F., Duguet M., Gaasterland T.,
RA Garrett R.A., Ragan M.A., Sensen C.W., Van der Oost J.;
RT "The complete genome of the crenarchaeon Sulfolobus solfataricus P2.";
RL Proc. Natl. Acad. Sci. U.S.A. 98:7835-7840(2001).
CC -!- FUNCTION: Catalyzes the hydrolysis of the adenine ring of
CC phosphoribosyl-AMP. {ECO:0000250}.
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;
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000250};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000250};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000250};
CC -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC from 5-phospho-alpha-D-ribose 1-diphosphate: step 3/9.
CC -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the PRA-CH family. {ECO:0000305}.
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DR EMBL; U82227; AAB63026.1; -; Genomic_DNA.
DR EMBL; AE006641; AAK40912.1; -; Genomic_DNA.
DR PIR; A90207; A90207.
DR AlphaFoldDB; O33778; -.
DR SMR; O33778; -.
DR STRING; 273057.SSO6227; -.
DR EnsemblBacteria; AAK40912; AAK40912; SSO6227.
DR KEGG; sso:SSO6227; -.
DR PATRIC; fig|273057.12.peg.608; -.
DR eggNOG; arCOG02676; Archaea.
DR HOGENOM; CLU_048577_5_3_2; -.
DR InParanoid; O33778; -.
DR PhylomeDB; O33778; -.
DR UniPathway; UPA00031; UER00008.
DR Proteomes; UP000001974; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004635; F:phosphoribosyl-AMP cyclohydrolase activity; IEA:UniProtKB-EC.
DR GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniPathway.
DR Gene3D; 3.10.20.810; -; 1.
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..85
FT /note="Phosphoribosyl-AMP cyclohydrolase"
FT /id="PRO_0000136514"
FT BINDING 48
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000250"
FT BINDING 49
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000250"
FT BINDING 50
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000250"
FT BINDING 52
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000250"
FT BINDING 65
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000250"
FT BINDING 72
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000250"
SQ SEQUENCE 85 AA; 9766 MW; 79C648BED321E372 CRC64;
MVGNMNREAL FKTLTTGYLH FWSLSRKKLW LKGETSGNFQ IIEEFKVDCD ADAVLFKVTS
LGPICHTGNY TCFYRSYDEL VNSKS
