ID   HIS4_SYNY3              Reviewed;         256 AA.
AC   P74561;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   25-MAY-2022, entry version 132.
DE   RecName: Full=1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase;
DE            EC=5.3.1.16;
DE   AltName: Full=Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase;
GN   Name=hisA; OrderedLocusNames=slr0652;
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)-5-[(5-phospho-beta-D-
CC         ribosylamino)methylideneamino]imidazole-4-carboxamide = 5-[(5-
CC         phospho-1-deoxy-D-ribulos-1-ylimino)methylamino]-1-(5-phospho-beta-D-
CC         ribosyl)imidazole-4-carboxamide; Xref=Rhea:RHEA:15469,
CC         ChEBI:CHEBI:58435, ChEBI:CHEBI:58525; EC=5.3.1.16;
CC   -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC       from 5-phospho-alpha-D-ribose 1-diphosphate: step 4/9.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the HisA/HisF family. {ECO:0000305}.
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DR   EMBL; BA000022; BAA18668.1; -; Genomic_DNA.
DR   PIR; S76756; S76756.
DR   AlphaFoldDB; P74561; -.
DR   SMR; P74561; -.
DR   STRING; 1148.1653757; -.
DR   PaxDb; P74561; -.
DR   EnsemblBacteria; BAA18668; BAA18668; BAA18668.
DR   KEGG; syn:slr0652; -.
DR   eggNOG; COG0106; Bacteria.
DR   InParanoid; P74561; -.
DR   OMA; EWLHLVD; -.
DR   PhylomeDB; P74561; -.
DR   UniPathway; UPA00031; UER00009.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0003949; F:1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide isomerase activity; IBA:GO_Central.
DR   GO; GO:0000105; P:histidine biosynthetic process; IBA:GO_Central.
DR   GO; GO:0000162; P:tryptophan biosynthetic process; IBA:GO_Central.
DR   CDD; cd04732; HisA; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_01014; HisA; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR006062; His_biosynth.
DR   InterPro; IPR006063; HisA_bact_arch.
DR   InterPro; IPR044524; Isoase_HisA-like.
DR   InterPro; IPR023016; Isoase_HisA-like_bact.
DR   InterPro; IPR011060; RibuloseP-bd_barrel.
DR   PANTHER; PTHR43090; PTHR43090; 1.
DR   Pfam; PF00977; His_biosynth; 1.
DR   SUPFAM; SSF51366; SSF51366; 1.
DR   TIGRFAMs; TIGR00007; TIGR00007; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Cytoplasm; Histidine biosynthesis; Isomerase;
KW   Reference proteome.
FT   CHAIN           1..256
FT                   /note="1-(5-phosphoribosyl)-5-[(5-
FT                   phosphoribosylamino)methylideneamino] imidazole-4-
FT                   carboxamide isomerase"
FT                   /id="PRO_0000142066"
FT   ACT_SITE        8
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        129
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   256 AA;  27350 MW;  2759588608F7F439 CRC64;
     MKILPAIDLL GGKCVRLYQG DYDQSQVYHE DPVEVARQWQ AQGASRLHLV DLDGAKEGQP
     VNLTAIANIV EALTIPVQVG GGLRDRNRVK QLLDLGVGRV ILGTIAVENP DLVGELCAEF
     PGQIVVGIDA RNGKVATRGW LETSTVEAGE LAQRMEKLGA AAIIYTDIHR DGTMQGPNLD
     ALRQLASQLT IPVIASGGVS QVEDLLNLLS LESLGVNGVI IGKALYTGDI QLAEAIRAVG
     NGRWQDVPPL DFPRLG