ID   HIS8_RHOBA              Reviewed;         362 AA.
AC   Q7UNC3;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 101.
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}; OrderedLocusNames=RB7661;
OS   Rhodopirellula baltica (strain DSM 10527 / NCIMB 13988 / SH1).
OC   Bacteria; Planctomycetes; Planctomycetia; Pirellulales; Pirellulaceae;
OC   Rhodopirellula.
OX   NCBI_TaxID=243090;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 10527 / NCIMB 13988 / SH1;
RX   PubMed=12835416; DOI=10.1073/pnas.1431443100;
RA   Gloeckner F.O., Kube M., Bauer M., Teeling H., Lombardot T., Ludwig W.,
RA   Gade D., Beck A., Borzym K., Heitmann K., Rabus R., Schlesner H., Amann R.,
RA   Reinhardt R.;
RT   "Complete genome sequence of the marine planctomycete Pirellula sp. strain
RT   1.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:8298-8303(2003).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2-oxoglutarate + L-histidinol phosphate = 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; BX294146; CAD75496.1; -; Genomic_DNA.
DR   RefSeq; NP_867949.1; NC_005027.1.
DR   RefSeq; WP_011121508.1; NC_005027.1.
DR   AlphaFoldDB; Q7UNC3; -.
DR   SMR; Q7UNC3; -.
DR   STRING; 243090.RB7661; -.
DR   EnsemblBacteria; CAD75496; CAD75496; RB7661.
DR   KEGG; rba:RB7661; -.
DR   PATRIC; fig|243090.15.peg.3701; -.
DR   eggNOG; COG0079; Bacteria.
DR   HOGENOM; CLU_017584_3_0_0; -.
DR   InParanoid; Q7UNC3; -.
DR   OMA; IWLNANE; -.
DR   OrthoDB; 1248286at2; -.
DR   UniPathway; UPA00031; UER00012.
DR   Proteomes; UP000001025; Chromosome.
DR   GO; GO:0004400; F:histidinol-phosphate transaminase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR   GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.640.10; -; 1.
DR   Gene3D; 3.90.1150.10; -; 1.
DR   HAMAP; MF_01023; HisC_aminotrans_2; 1.
DR   InterPro; IPR001917; Aminotrans_II_pyridoxalP_BS.
DR   InterPro; IPR004839; Aminotransferase_I/II.
DR   InterPro; IPR005861; HisP_aminotrans.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR   Pfam; PF00155; Aminotran_1_2; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
DR   TIGRFAMs; TIGR01141; hisC; 1.
DR   PROSITE; PS00599; AA_TRANSFER_CLASS_2; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Aminotransferase; Histidine biosynthesis;
KW   Pyridoxal phosphate; Reference proteome; Transferase.
FT   CHAIN           1..362
FT                   /note="Histidinol-phosphate aminotransferase"
FT                   /id="PRO_0000153439"
FT   MOD_RES         210
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01023"
SQ   SEQUENCE   362 AA;  39934 MW;  713C3D24197843BA CRC64;
     MQYRPALSKM KPYVPGEQPP PGKFIKLNTN ENPYPPPAPV VSAIQSAATG PLNRYPDPMA
     TSFRRAAANA LGLPGPEWVL AGNGSDEILT LLVRGFVGEG ESLRLPYPSY ILYRTLADIQ
     GANWEQVPFN DPWELPQSFG ENREDLKLVL LPNPNSPSGT IVSKPQIAEL SNSLNCPLVV
     DEAYADFAEE NCLDLVQSDE NIFVTRTLSK SYGLAGIRFG FLVAQPHVIA ELTKIKDSYN
     CDAISIAAAT AAMGCQEWLA DVVAKMNVTR DRTTDRLRAL GFDVTPSHAN FVWCRHPEGK
     HAEIHQYLKQ SQILIRYMDF PDWGDGLRIS VGTDDQIDAC MLMIERAMQS LNISLPARAD
     ST