HIS2_AQUAE
ID HIS2_AQUAE Reviewed; 205 AA.
AC O67780;
DT 15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT 01-AUG-1998, sequence version 1.
DT 03-AUG-2022, entry version 125.
DE RecName: Full=Histidine biosynthesis bifunctional protein HisIE;
DE Includes:
DE RecName: Full=Phosphoribosyl-AMP cyclohydrolase;
DE Short=PRA-CH;
DE EC=3.5.4.19;
DE Includes:
DE RecName: Full=Phosphoribosyl-ATP pyrophosphatase;
DE Short=PRA-PH;
DE EC=3.6.1.31;
GN Name=hisI; Synonyms=hisIE; OrderedLocusNames=aq_1968;
OS Aquifex aeolicus (strain VF5).
OC Bacteria; Aquificae; Aquificales; Aquificaceae; Aquifex.
OX NCBI_TaxID=224324;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=VF5;
RX PubMed=9537320; DOI=10.1038/32831;
RA Deckert G., Warren P.V., Gaasterland T., Young W.G., Lenox A.L.,
RA Graham D.E., Overbeek R., Snead M.A., Keller M., Aujay M., Huber R.,
RA Feldman R.A., Short J.M., Olsen G.J., Swanson R.V.;
RT "The complete genome of the hyperthermophilic bacterium Aquifex aeolicus.";
RL Nature 392:353-358(1998).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-(5-phospho-beta-D-ribosyl)-ATP + H2O = 1-(5-phospho-beta-D-
CC ribosyl)-5'-AMP + diphosphate + H(+); Xref=Rhea:RHEA:22828,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:33019,
CC ChEBI:CHEBI:59457, ChEBI:CHEBI:73183; EC=3.6.1.31;
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 -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC from 5-phospho-alpha-D-ribose 1-diphosphate: step 2/9.
CC -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC from 5-phospho-alpha-D-ribose 1-diphosphate: step 3/9.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC -!- SIMILARITY: In the N-terminal section; belongs to the PRA-CH family.
CC {ECO:0000305}.
CC -!- SIMILARITY: In the C-terminal section; belongs to the PRA-PH family.
CC {ECO:0000305}.
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DR EMBL; AE000657; AAC07730.1; -; Genomic_DNA.
DR PIR; H70468; H70468.
DR RefSeq; NP_214349.1; NC_000918.1.
DR RefSeq; WP_010881285.1; NC_000918.1.
DR AlphaFoldDB; O67780; -.
DR SMR; O67780; -.
DR STRING; 224324.aq_1968; -.
DR EnsemblBacteria; AAC07730; AAC07730; aq_1968.
DR KEGG; aae:aq_1968; -.
DR PATRIC; fig|224324.8.peg.1519; -.
DR eggNOG; COG0139; Bacteria.
DR eggNOG; COG0140; Bacteria.
DR HOGENOM; CLU_048577_3_1_0; -.
DR InParanoid; O67780; -.
DR OMA; ERSCFHQ; -.
DR OrthoDB; 1842189at2; -.
DR UniPathway; UPA00031; UER00007.
DR UniPathway; UPA00031; UER00008.
DR Proteomes; UP000000798; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0004635; F:phosphoribosyl-AMP cyclohydrolase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004636; F:phosphoribosyl-ATP diphosphatase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd11534; NTP-PPase_HisIE_like; 1.
DR Gene3D; 3.10.20.810; -; 1.
DR HAMAP; MF_01020; HisE; 1.
DR HAMAP; MF_01021; HisI; 1.
DR HAMAP; MF_01019; HisIE; 1.
DR InterPro; IPR023019; His_synth_HisIE.
DR InterPro; IPR008179; HisE.
DR InterPro; IPR026660; PRA-CH.
DR InterPro; IPR021130; PRib-ATP_PPHydrolase-like.
DR InterPro; IPR002496; PRib_AMP_CycHydrolase_dom.
DR InterPro; IPR038019; PRib_AMP_CycHydrolase_sf.
DR Pfam; PF01502; PRA-CH; 1.
DR Pfam; PF01503; PRA-PH; 1.
DR SUPFAM; SSF141734; SSF141734; 1.
DR TIGRFAMs; TIGR03188; histidine_hisI; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis; ATP-binding; Cytoplasm; Histidine biosynthesis;
KW Hydrolase; Multifunctional enzyme; Nucleotide-binding; Reference proteome.
FT CHAIN 1..205
FT /note="Histidine biosynthesis bifunctional protein HisIE"
FT /id="PRO_0000136401"
FT REGION 1..116
FT /note="Phosphoribosyl-AMP cyclohydrolase"
FT REGION 117..205
FT /note="Phosphoribosyl-ATP pyrophosphohydrolase"
SQ SEQUENCE 205 AA; 23944 MW; 8DB5DAA3261A2197 CRC64;
MLKLKFNEEG LIPVIAQDYR TGEVRMLAYA NEEAIKKTLE TGYAHYYSRS RKKIWKKGET
SGELQKVIEV RVDCDEDALI YVIEQEKDRA CHTGERNCFF RDIEGNKVEK PLPFEVLPRL
QDVIREKIER KEENSYTAKL VSQGKERVFQ KFGEEAVETL IALMKGEKEE VIYESADMLY
TFLVSLSVSG IDIKEVMEEL IRRFK
