ID   HIS81_PSYA2             Reviewed;         380 AA.
AC   Q4FSH2;
DT   10-JAN-2006, integrated into UniProtKB/Swiss-Prot.
DT   30-AUG-2005, sequence version 1.
DT   25-MAY-2022, entry version 106.
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=Psyc_1185;
OS   Psychrobacter arcticus (strain DSM 17307 / VKM B-2377 / 273-4).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC   Psychrobacter.
OX   NCBI_TaxID=259536;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17307 / VKM B-2377 / 273-4;
RX   PubMed=20154119; DOI=10.1128/aem.02101-09;
RA   Ayala-del-Rio H.L., Chain P.S., Grzymski J.J., Ponder M.A., Ivanova N.,
RA   Bergholz P.W., Di Bartolo G., Hauser L., Land M., Bakermans C.,
RA   Rodrigues D., Klappenbach J., Zarka D., Larimer F., Richardson P.,
RA   Murray A., Thomashow M., Tiedje J.M.;
RT   "The genome sequence of Psychrobacter arcticus 273-4, a psychroactive
RT   Siberian permafrost bacterium, reveals mechanisms for adaptation to low-
RT   temperature growth.";
RL   Appl. Environ. Microbiol. 76:2304-2312(2010).
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; CP000082; AAZ19036.1; -; Genomic_DNA.
DR   RefSeq; WP_011280458.1; NC_007204.1.
DR   AlphaFoldDB; Q4FSH2; -.
DR   SMR; Q4FSH2; -.
DR   STRING; 259536.Psyc_1185; -.
DR   DNASU; 3514083; -.
DR   EnsemblBacteria; AAZ19036; AAZ19036; Psyc_1185.
DR   KEGG; par:Psyc_1185; -.
DR   eggNOG; COG0079; Bacteria.
DR   HOGENOM; CLU_017584_3_3_6; -.
DR   OMA; NYHVAGF; -.
DR   OrthoDB; 1248286at2; -.
DR   UniPathway; UPA00031; UER00012.
DR   Proteomes; UP000000546; 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..380
FT                   /note="Histidinol-phosphate aminotransferase 1"
FT                   /id="PRO_0000153426"
FT   MOD_RES         235
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01023"
SQ   SEQUENCE   380 AA;  41809 MW;  E2B3C8656D940EA6 CRC64;
     MQSTQSTESN LLPLVPAYDS ILALAPYQTG KPIEELTREY GVSDVVKLAS NENPIGCSPH
     VTLAITEQIG QLSRYPDGNG YYLKQALADF NDVNVDQITL GNGSDDLLDI LARSFVGADD
     AIVYSQYAFV VYSMLAKMQG AMDVEVPAQR FGHDLKAMSQ AIENNSNTKI VFIANPNNPT
     GTQLEHGELR EFVASVPSSV LVVLDEAYIE YSPESNNRAL LDEFDNVVIV RTFSKAYGLA
     GLRVGYALSS AAVADLLNRI RQPFNVSRVA LAAAAAALAD QDFIEKTRLI NDEQMHWLEK
     QFDALGLGFI KSHANFIMVE IAVEMEDTNA AVIYQALLEQ GVIVRQLEVY GLYNWLRISV
     GVAEDNMRLI DTLRSILTDD