ID   HIS82_NITEU             Reviewed;         373 AA.
AC   Q82XE0;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   25-MAY-2022, entry version 105.
DE   RecName: Full=Histidinol-phosphate aminotransferase 2;
DE            EC=2.6.1.9;
DE   AltName: Full=Imidazole acetol-phosphate transaminase 2;
GN   Name=hisC2; OrderedLocusNames=NE0336;
OS   Nitrosomonas europaea (strain ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC
OS   14298).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales;
OC   Nitrosomonadaceae; Nitrosomonas.
OX   NCBI_TaxID=228410;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC 14298;
RX   PubMed=12700255; DOI=10.1128/jb.185.9.2759-2773.2003;
RA   Chain P., Lamerdin J.E., Larimer F.W., Regala W., Lao V., Land M.L.,
RA   Hauser L., Hooper A.B., Klotz M.G., Norton J., Sayavedra-Soto L.A.,
RA   Arciero D.M., Hommes N.G., Whittaker M.M., Arp D.J.;
RT   "Complete genome sequence of the ammonia-oxidizing bacterium and obligate
RT   chemolithoautotroph Nitrosomonas europaea.";
RL   J. Bacteriol. 185:2759-2773(2003).
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; AL954747; CAD84247.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q82XE0; -.
DR   SMR; Q82XE0; -.
DR   STRING; 228410.NE0336; -.
DR   DNASU; 1081266; -.
DR   EnsemblBacteria; CAD84247; CAD84247; NE0336.
DR   KEGG; neu:NE0336; -.
DR   eggNOG; COG0079; Bacteria.
DR   HOGENOM; CLU_017584_3_3_4; -.
DR   OMA; YPDMACT; -.
DR   PhylomeDB; Q82XE0; -.
DR   UniPathway; UPA00031; UER00012.
DR   Proteomes; UP000001416; 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..373
FT                   /note="Histidinol-phosphate aminotransferase 2"
FT                   /id="PRO_0000153405"
FT   MOD_RES         229
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   373 AA;  41225 MW;  16CA3514175513E1 CRC64;
     MMNLSELAPD YIRAIQPYQP GKPISELVRD LGLNKDEVVK LASNENPLGT SPLAKEAMIQ
     ALNESARYPD GSGFELKAAL SERLGMPADQ IVLGNGSNDV LELATRIFLH PDSTAIYSQY
     AFAIYPLLAQ AVGARGIAVP ARNYGHDLEA MLAAVTPETR IIFIANPNNP TGTLCDARDL
     LRFMERVPQD VLVILDEAYD EYLPEANKAN SIAWLKNFQN LVITRTFSKA YGLASVRVGF
     ALAHADIANL MNRIRQPFNV NSIGLAAAQA ALKDVEFVKL AYMTNRTGMQ QMTHGLDQLG
     IEYIPSFGNF VCCHIDGHPA NTLKIYRNLL QQGVIVRPLG NYDMLNHLRV TIGIEEENKR
     FLQALEQALK ELD