ID   HIS2_NOSS1              Reviewed;         216 AA.
AC   Q8YS28;
DT   06-JUN-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   25-MAY-2022, entry version 102.
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=all3263;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
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; BA000019; BAB74962.1; -; Genomic_DNA.
DR   PIR; AH2213; AH2213.
DR   RefSeq; WP_010997414.1; NZ_RSCN01000001.1.
DR   AlphaFoldDB; Q8YS28; -.
DR   SMR; Q8YS28; -.
DR   STRING; 103690.17132358; -.
DR   EnsemblBacteria; BAB74962; BAB74962; BAB74962.
DR   KEGG; ana:all3263; -.
DR   eggNOG; COG0139; Bacteria.
DR   eggNOG; COG0140; Bacteria.
DR   OMA; ERSCFHQ; -.
DR   OrthoDB; 1842189at2; -.
DR   UniPathway; UPA00031; UER00007.
DR   UniPathway; UPA00031; UER00008.
DR   Proteomes; UP000002483; 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..216
FT                   /note="Histidine biosynthesis bifunctional protein HisIE"
FT                   /id="PRO_0000136400"
FT   REGION          1..127
FT                   /note="Phosphoribosyl-AMP cyclohydrolase"
FT   REGION          128..216
FT                   /note="Phosphoribosyl-ATP pyrophosphohydrolase"
SQ   SEQUENCE   216 AA;  24397 MW;  BE7BA67DB85F2BDC CRC64;
     MSFIDSLSPQ NVIPVEEIRY DERGLVPAIV QDYLDGTVLM MAWMNRESLQ KTLDTGETWF
     WSRSRQEFWH KGGTSGHTQK VQSIRYDCDS DALLVGVEQI GDIACHTGER SCFHQVEGKI
     VAPPGDTLSQ VFQVICDRRN HPTESSYTSK LFAGGDNKIL KKIGEESAEV VMACKDDDQE
     AIAGEVADLL YHTLVALAHH QVDIKAVYRK LQERRR