ID   HIS8_ACIBT              Reviewed;         361 AA.
AC   A3M2I8;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   02-SEP-2008, sequence version 2.
DT   25-MAY-2022, entry version 85.
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=A1S_0688;
OS   Acinetobacter baumannii (strain ATCC 17978 / CIP 53.77 / LMG 1025 / NCDC
OS   KC755 / 5377).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC   Acinetobacter; Acinetobacter calcoaceticus/baumannii complex.
OX   NCBI_TaxID=400667;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 17978 / CIP 53.77 / LMG 1025 / NCDC KC755 / 5377;
RX   PubMed=17344419; DOI=10.1101/gad.1510307;
RA   Smith M.G., Gianoulis T.A., Pukatzki S., Mekalanos J.J., Ornston L.N.,
RA   Gerstein M., Snyder M.;
RT   "New insights into Acinetobacter baumannii pathogenesis revealed by high-
RT   density pyrosequencing and transposon mutagenesis.";
RL   Genes Dev. 21:601-614(2007).
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; CP000521; ABO11132.2; -; Genomic_DNA.
DR   RefSeq; WP_000218885.1; NZ_CP053098.1.
DR   AlphaFoldDB; A3M2I8; -.
DR   SMR; A3M2I8; -.
DR   KEGG; acb:A1S_0688; -.
DR   HOGENOM; CLU_017584_3_0_6; -.
DR   UniPathway; UPA00031; UER00012.
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; Transferase.
FT   CHAIN           1..361
FT                   /note="Histidinol-phosphate aminotransferase"
FT                   /id="PRO_1000135380"
FT   MOD_RES         219
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01023"
SQ   SEQUENCE   361 AA;  40512 MW;  A1C7BC599F31B72E CRC64;
     MTVSTAQMRF WSPEVRELEP YVPGEQPKIQ NLLKLNTNEN PYPPSPKVVE AVQAVLHEQA
     DVLRLYPDPD ATALKQAIAK QQNIDVSQVF VGNGSDEVLA HIFKAFFLQD EPILYPDITY
     SFYPVYSQFF GTKTKEIPLN ENFEIDVRDY TQPNGGVIIT NPNAPTSIAL SLAEIEQVLQ
     ANPDRVVVID EAYVDFGAES AVSLINRYEN LVVCQTTSKS RSLAGLRVGF AIAQSHLIAA
     LETVKNSFNS YPIDRFAIAA AVASFEDQVY FEEQCQKVIT SREKLVRDLT VLGFNVLPSK
     ANFIFATHSQ HDAGQLAQKL REQGIIVRYF NKPRINQFLR ITVGTDEQNA RLVQTLKQDI
     L