ID   HIS81_HAEIN             Reviewed;         367 AA.
AC   P44423;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   03-AUG-2022, entry version 136.
DE   RecName: Full=Histidinol-phosphate aminotransferase 1;
DE            EC=2.6.1.9;
DE   AltName: Full=Imidazole acetol-phosphate transaminase 1;
GN   Name=hisC1; Synonyms=hisC; OrderedLocusNames=HI_0470;
OS   Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=71421;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX   PubMed=7542800; DOI=10.1126/science.7542800;
RA   Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA   Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA   McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA   Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA   Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA   Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA   Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA   Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT   "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT   Rd.";
RL   Science 269:496-512(1995).
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;
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000250};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC       from 5-phospho-alpha-D-ribose 1-diphosphate: step 7/9.
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the class-II pyridoxal-phosphate-dependent
CC       aminotransferase family. Histidinol-phosphate aminotransferase
CC       subfamily. {ECO:0000305}.
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DR   EMBL; L42023; AAC22129.1; -; Genomic_DNA.
DR   PIR; E64070; E64070.
DR   RefSeq; NP_438631.1; NC_000907.1.
DR   AlphaFoldDB; P44423; -.
DR   SMR; P44423; -.
DR   STRING; 71421.HI_0470; -.
DR   EnsemblBacteria; AAC22129; AAC22129; HI_0470.
DR   KEGG; hin:HI_0470; -.
DR   PATRIC; fig|71421.8.peg.490; -.
DR   eggNOG; COG0079; Bacteria.
DR   HOGENOM; CLU_017584_3_1_6; -.
DR   OMA; IWLNANE; -.
DR   PhylomeDB; P44423; -.
DR   BioCyc; HINF71421:G1GJ1-486-MON; -.
DR   UniPathway; UPA00031; UER00012.
DR   Proteomes; UP000000579; 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..367
FT                   /note="Histidinol-phosphate aminotransferase 1"
FT                   /id="PRO_0000153368"
FT   MOD_RES         226
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   367 AA;  40794 MW;  8594237F1C530465 CRC64;
     MNDYNSHILQ WKKTIMTITT LSRQNIQALT PYQSARKLGG NGTIWLNANE YPTSPEFQLS
     GKDLNRYPEP QPQRVVQAYA NYAGVSTENV LVTRGGDEGI ELIIHTFCEP KQDAILFCPP
     TYGMYAVSAE TAGVLSKTVP LTDDFQLNLP EIKNHLNDVK VVFVCSPNNP TGNLLKQSDI
     LDLLQITAGK AIVVVDEAYI EFCPEASVIN LLKNYPHLAI IRTLSKAFAL AGLRCGFVLA
     NPELIDILSK VIAPYPIPVP SADLAEQALR PSNIATVQAL TQELLSNRQW LAKALLVLHQ
     VEKVYESEAN YLLIKCQNGQ AVFKALWEQG IILRDQNKTL HLQNCIRITV GTRNECEKVV
     EAIKEVK