ID   HIS82_NITOC             Reviewed;         360 AA.
AC   Q3J7H2;
DT   10-JAN-2006, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   25-MAY-2022, entry version 86.
DE   RecName: Full=Histidinol-phosphate aminotransferase 2 {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 2 {ECO:0000255|HAMAP-Rule:MF_01023};
GN   Name=hisC2 {ECO:0000255|HAMAP-Rule:MF_01023}; OrderedLocusNames=Noc_2777;
OS   Nitrosococcus oceani (strain ATCC 19707 / BCRC 17464 / JCM 30415 / NCIMB
OS   11848 / C-107).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Chromatiales; Chromatiaceae;
OC   Nitrosococcus.
OX   NCBI_TaxID=323261;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19707 / BCRC 17464 / JCM 30415 / NCIMB 11848 / C-107;
RX   PubMed=16957257; DOI=10.1128/aem.00463-06;
RA   Klotz M.G., Arp D.J., Chain P.S.G., El-Sheikh A.F., Hauser L.J.,
RA   Hommes N.G., Larimer F.W., Malfatti S.A., Norton J.M., Poret-Peterson A.T.,
RA   Vergez L.M., Ward B.B.;
RT   "Complete genome sequence of the marine, chemolithoautotrophic, ammonia-
RT   oxidizing bacterium Nitrosococcus oceani ATCC 19707.";
RL   Appl. Environ. Microbiol. 72:6299-6315(2006).
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; CP000127; ABA59224.1; -; Genomic_DNA.
DR   RefSeq; WP_002813500.1; NC_007484.1.
DR   AlphaFoldDB; Q3J7H2; -.
DR   SMR; Q3J7H2; -.
DR   STRING; 323261.Noc_2777; -.
DR   EnsemblBacteria; ABA59224; ABA59224; Noc_2777.
DR   KEGG; noc:Noc_2777; -.
DR   eggNOG; COG0079; Bacteria.
DR   HOGENOM; CLU_017584_3_1_6; -.
DR   OMA; IWLNANE; -.
DR   OrthoDB; 1248286at2; -.
DR   UniPathway; UPA00031; UER00012.
DR   Proteomes; UP000006838; 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..360
FT                   /note="Histidinol-phosphate aminotransferase 2"
FT                   /id="PRO_0000153403"
FT   MOD_RES         218
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01023"
SQ   SEQUENCE   360 AA;  40218 MW;  95383D042F42CE3A CRC64;
     MTKDRVAQWI RPEIQRLSAY RVADAADLIK LDAMENPYTW SPELIEAWLE RLRQVSVNRY
     PDPQARSLKL RLRQYLALPE DMEMILGNGS DELIQMVLLA VAGPGRSVVA PEPTFVMYRQ
     IAALLGLQYQ GVALREDFSL DLPAMLQVIR ERVPAVVFIA YPNNPTGNLF SAEELQAIIE
     ASPGLVIVDE AYSVFAGETF MPRLEDYDHL LVMRTLSKIG LAGLRLGMLM GNPAWIKELE
     KVRLPYNINQ LTQVSAEFAL EQPGGLDEQA RLICKARAQL QRALQQLPGI QVYPSDANFI
     LFRTPPHQAE AIFTAIKERG VLIKNLSGQG GLLTDCLRVT VGTADENHAF LKALKAGRKN