ID   HIS8_RHOPA              Reviewed;         365 AA.
AC   P61002;
DT   26-APR-2004, integrated into UniProtKB/Swiss-Prot.
DT   26-APR-2004, sequence version 1.
DT   02-SEP-2026, entry version 117.
DE   RecName: Full=Histidinol-phosphate aminotransferase {ECO:0000255|HAMAP-Rule:MF_01023};
DE            EC=2.6.1.9 {ECO:0000255|HAMAP-Rule:MF_01023};
DE   AltName: Full=Imidazole acetol-phosphate transaminase {ECO:0000255|HAMAP-Rule:MF_01023};
GN   Name=hisC {ECO:0000255|HAMAP-Rule:MF_01023};
GN   OrderedLocusNames=RPA4439;
OS   Rhodopseudomonas palustris (strain ATCC BAA-98 / CGA009).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Alphaproteobacteria;
OC   Hyphomicrobiales; Nitrobacteraceae; Rhodopseudomonas.
OX   NCBI_TaxID=258594;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-98 / CGA009;
RX   PubMed=14704707; DOI=10.1038/nbt923;
RA   Larimer F.W., Chain P., Hauser L., Lamerdin J.E., Malfatti S., Do L.,
RA   Land M.L., Pelletier D.A., Beatty J.T., Lang A.S., Tabita F.R.,
RA   Gibson J.L., Hanson T.E., Bobst C., Torres y Torres J.L., Peres C.,
RA   Harrison F.H., Gibson J., Harwood C.S.;
RT   "Complete genome sequence of the metabolically versatile photosynthetic
RT   bacterium Rhodopseudomonas palustris.";
RL   Nat. Biotechnol. 22:55-61(2004).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-histidinol phosphate + 2-oxoglutarate = 3-(imidazol-4-yl)-2-
CC         oxopropyl phosphate + L-glutamate; Xref=Rhea:RHEA:23744,
CC         ChEBI:CHEBI:16810, ChEBI:CHEBI:29985, ChEBI:CHEBI:57766,
CC         ChEBI:CHEBI:57980; EC=2.6.1.9; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01023};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01023};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC       from 5-phospho-alpha-D-ribose 1-diphosphate: step 7/9.
CC       {ECO:0000255|HAMAP-Rule:MF_01023}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01023}.
CC   -!- SIMILARITY: Belongs to the class-II pyridoxal-phosphate-dependent
CC       aminotransferase family. Histidinol-phosphate aminotransferase
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01023}.
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DR   EMBL; BX572607; CAE29880.1; -; Genomic_DNA.
DR   RefSeq; WP_011159973.1; NZ_CP116810.1.
DR   AlphaFoldDB; P61002; -.
DR   SMR; P61002; -.
DR   STRING; 258594.RPA4439; -.
DR   GeneID; 66895580; -.
DR   eggNOG; COG0079; Bacteria.
DR   HOGENOM; CLU_017584_3_3_5; -.
DR   PhylomeDB; P61002; -.
DR   UniPathway; UPA00031; UER00012.
DR   GO; GO:0004400; F:L-histidinol-phosphate:2-oxoglutarate transaminase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR   GO; GO:0000105; P:L-histidine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd00609; AAT_like; 1.
DR   Gene3D; 3.90.1150.10; Aspartate Aminotransferase, domain 1; 1.
DR   Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 1.
DR   HAMAP; MF_01023; HisC_aminotrans_2; 1.
DR   InterPro; IPR004839; Aminotransferase_I/II_large.
DR   InterPro; IPR005861; HisP_aminotrans.
DR   InterPro; IPR050106; HistidinolP_aminotransfase.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR   NCBIfam; TIGR01141; hisC; 1.
DR   PANTHER; PTHR43643:SF3; HISTIDINOL-PHOSPHATE AMINOTRANSFERASE; 1.
DR   PANTHER; PTHR43643; HISTIDINOL-PHOSPHATE AMINOTRANSFERASE 2; 1.
DR   Pfam; PF00155; Aminotran_1_2; 1.
DR   SUPFAM; SSF53383; PLP-dependent transferases; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Aminotransferase; Histidine biosynthesis;
KW   Pyridoxal phosphate; Transferase.
FT   CHAIN           1..365
FT                   /note="Histidinol-phosphate aminotransferase"
FT                   /id="PRO_0000153440"
FT   REGION          1..21
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOD_RES         221
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01023"
SQ   SEQUENCE   365 AA;  39354 MW;  9833DFD428846AB9 CRC64;
     MSRPVPNPGI LDIAPYTPGK SPVAEPGRKV FKLSANETPF GPSPHAIAAY KSAADHLEDY
     PEGTSRILRE AIGKAYGLDP DRIICGAGSD EILNLLAHTY LAPGDEAISS QHGFLVYPIA
     TLANGAKNVV APEKNLTTDV DAMLAAVTPN TKLVWLANPN NPTGTYIPFD EVKRLRAGLP
     SHVVLVLDAA YADYVMKNDY ELGIELVSTT ENTVLTHTFS KVHGLAALRI GWMFGPANIV
     DAVNRIRGPF NVSVPAQLAA VAAIQDTGHV ERSRAHTDKW RNTLAEELPK LGLTVTRSVC
     NFVLIHFPTT KGKTAAEADA FLTQRGLVLR ALNNYGLPHA LRMTIGTDEA NALVLENLRE
     FMGQP
//