ID   HIS8_STRMU              Reviewed;         349 AA.
AC   Q8DTQ4;
DT   26-APR-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 108.
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=SMU_1273;
OS   Streptococcus mutans serotype c (strain ATCC 700610 / UA159).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=210007;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700610 / UA159;
RX   PubMed=12397186; DOI=10.1073/pnas.172501299;
RA   Ajdic D.J., McShan W.M., McLaughlin R.E., Savic G., Chang J., Carson M.B.,
RA   Primeaux C., Tian R., Kenton S., Jia H.G., Lin S.P., Qian Y., Li S.,
RA   Zhu H., Najar F.Z., Lai H., White J., Roe B.A., Ferretti J.J.;
RT   "Genome sequence of Streptococcus mutans UA159, a cariogenic dental
RT   pathogen.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:14434-14439(2002).
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; AE014133; AAN58955.1; -; Genomic_DNA.
DR   RefSeq; NP_721649.1; NC_004350.2.
DR   RefSeq; WP_002263171.1; NC_004350.2.
DR   AlphaFoldDB; Q8DTQ4; -.
DR   SMR; Q8DTQ4; -.
DR   STRING; 210007.SMU_1273; -.
DR   PRIDE; Q8DTQ4; -.
DR   DNASU; 1028557; -.
DR   EnsemblBacteria; AAN58955; AAN58955; SMU_1273.
DR   GeneID; 66817338; -.
DR   KEGG; smu:SMU_1273; -.
DR   PATRIC; fig|210007.7.peg.1142; -.
DR   eggNOG; COG0079; Bacteria.
DR   HOGENOM; CLU_017584_3_0_9; -.
DR   OMA; FDGYPIL; -.
DR   PhylomeDB; Q8DTQ4; -.
DR   UniPathway; UPA00031; UER00012.
DR   Proteomes; UP000002512; 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; 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.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Aminotransferase; Histidine biosynthesis;
KW   Pyridoxal phosphate; Reference proteome; Transferase.
FT   CHAIN           1..349
FT                   /note="Histidinol-phosphate aminotransferase"
FT                   /id="PRO_0000153461"
FT   MOD_RES         206
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01023"
SQ   SEQUENCE   349 AA;  39443 MW;  51472222F0C53641 CRC64;
     MIRGLRQIEP YVAGVQPAER KMIKLNTNEN AYGASPKVRE ALANFDVDNL RKYSTLEQAD
     LRAALANNLK VKPEQLMIAN GSDDVLSIAF LAFFNNDEPV LFPDLTYGFY KVWADLYRVN
     YHEIPLAEDF TINTEDYLAD NGGIILTNPN APTGIYKPLN EIEKLLKANQ DTVVIIDEAY
     ISFGGQSALS LLNKYNNLVI TRTFSKDAAL AGLRVGYAIA NEPLIAVMNA VKHSINPYSV
     DLLAERLATA AVEDWSYYQE NAKKIQKTRA WFSEQLVKQG FDVLPSQANF VLTKPHDLAT
     AKLFEELEAR KIYVRYFPKV ERIKDYLRIS MGTQEEMEEV VKAIEEIRG