HIS2_SYNY3
ID HIS2_SYNY3 Reviewed; 215 AA.
AC P74755;
DT 01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT 06-JUN-2002, sequence version 2.
DT 25-MAY-2022, entry version 131.
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=slr0608;
OS Synechocystis sp. (strain PCC 6803 / Kazusa).
OC Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC unclassified Synechocystis.
OX NCBI_TaxID=1111708;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 6803 / Kazusa;
RX PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT "Sequence analysis of the genome of the unicellular cyanobacterium
RT Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT genome and assignment of potential protein-coding regions.";
RL DNA Res. 3:109-136(1996).
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}.
CC -!- SEQUENCE CAUTION:
CC Sequence=BAA18875.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; BA000022; BAA18875.1; ALT_INIT; Genomic_DNA.
DR PIR; S76963; S76963.
DR AlphaFoldDB; P74755; -.
DR SMR; P74755; -.
DR STRING; 1148.1653965; -.
DR PaxDb; P74755; -.
DR EnsemblBacteria; BAA18875; BAA18875; BAA18875.
DR KEGG; syn:slr0608; -.
DR eggNOG; COG0139; Bacteria.
DR eggNOG; COG0140; Bacteria.
DR InParanoid; P74755; -.
DR OMA; ERSCFHQ; -.
DR PhylomeDB; P74755; -.
DR UniPathway; UPA00031; UER00007.
DR UniPathway; UPA00031; UER00008.
DR Proteomes; UP000001425; 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..215
FT /note="Histidine biosynthesis bifunctional protein HisIE"
FT /id="PRO_0000136440"
FT REGION 1..126
FT /note="Phosphoribosyl-AMP cyclohydrolase"
FT REGION 127..215
FT /note="Phosphoribosyl-ATP pyrophosphohydrolase"
SQ SEQUENCE 215 AA; 23945 MW; D8720E7D4BB80B60 CRC64;
MSHSDLPLAN AVPLDKIRYN DQGLVPAIAQ DYLDGTVLML AWMNEAALAK TLATGQVWYW
SRSRQELWHK GATSGHFQKL LGIRYDCDSD ALLLTIEQKG DIACHTGERS CFHQLDGHKS
PPPADMLTEL ARVIGDRRDH PTPESYTCKL LAGGDNKILK KIGEESAEVV MACKDDDPEA
IAGEVADLFY HTLVALAHHN VDLRAVYRKL GDRRR
