ID   HIS81_BACC1             Reviewed;         370 AA.
AC   Q73AX7;
DT   10-JAN-2006, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 98.
DE   RecName: Full=Histidinol-phosphate aminotransferase 1 {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 1 {ECO:0000255|HAMAP-Rule:MF_01023};
GN   Name=hisC1 {ECO:0000255|HAMAP-Rule:MF_01023}; OrderedLocusNames=BCE_1645;
OS   Bacillus cereus (strain ATCC 10987 / NRS 248).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=222523;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 10987 / NRS 248;
RX   PubMed=14960714; DOI=10.1093/nar/gkh258;
RA   Rasko D.A., Ravel J., Oekstad O.A., Helgason E., Cer R.Z., Jiang L.,
RA   Shores K.A., Fouts D.E., Tourasse N.J., Angiuoli S.V., Kolonay J.F.,
RA   Nelson W.C., Kolstoe A.-B., Fraser C.M., Read T.D.;
RT   "The genome sequence of Bacillus cereus ATCC 10987 reveals metabolic
RT   adaptations and a large plasmid related to Bacillus anthracis pXO1.";
RL   Nucleic Acids Res. 32:977-988(2004).
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; AE017194; AAS40574.1; -; Genomic_DNA.
DR   RefSeq; WP_001264027.1; NC_003909.8.
DR   AlphaFoldDB; Q73AX7; -.
DR   SMR; Q73AX7; -.
DR   EnsemblBacteria; AAS40574; AAS40574; BCE_1645.
DR   GeneID; 59158199; -.
DR   KEGG; bca:BCE_1645; -.
DR   HOGENOM; CLU_017584_3_3_9; -.
DR   OMA; IWLNANE; -.
DR   UniPathway; UPA00031; UER00012.
DR   Proteomes; UP000002527; 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; Transferase.
FT   CHAIN           1..370
FT                   /note="Histidinol-phosphate aminotransferase 1"
FT                   /id="PRO_0000153299"
FT   MOD_RES         222
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01023"
SQ   SEQUENCE   370 AA;  41631 MW;  5A5DCA01B22534C4 CRC64;
     MRVKEQLLTL RAYVPGKNIE EVKREYGLSK IVKLASNENP FGCSARVTEA LTSLASQYAL
     YPDGYAFELR TKVAEHLGVK AEQLLFGSGL DEVIQMISRA LLHEGTNVVM ANPTFSQYHH
     HAVIEGAKVR EVPLKDGIHD LDAMLEQVDD KTKIVWICNP NNPTGTYVEK QKLLSFLESV
     PKSALVIMDE AYYEYAGAED YPQTLPLLEK YGNLMILRTF SKAYGLAAFR IGYAVGNEQL
     IGQLEVARLP FNTSTVAQSV ALAALEDQAF LQECVKKNEE GLHQYYAFCK EYNVFYYPSQ
     TNFIFLKLGI PGNEAFERLM KKGYIVRSGA AFGIHDGIRI TVGLKEENDE IIELLKELVN
     EQVKKEETYS