ID   HIS82_METCA             Reviewed;         371 AA.
AC   Q608S3;
DT   10-JAN-2006, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   25-MAY-2022, entry version 93.
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}; Synonyms=hisC-2;
GN   OrderedLocusNames=MCA1417;
OS   Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Methylococcales;
OC   Methylococcaceae; Methylococcus.
OX   NCBI_TaxID=243233;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33009 / NCIMB 11132 / Bath;
RX   PubMed=15383840; DOI=10.1371/journal.pbio.0020303;
RA   Ward N.L., Larsen O., Sakwa J., Bruseth L., Khouri H.M., Durkin A.S.,
RA   Dimitrov G., Jiang L., Scanlan D., Kang K.H., Lewis M.R., Nelson K.E.,
RA   Methe B.A., Wu M., Heidelberg J.F., Paulsen I.T., Fouts D.E., Ravel J.,
RA   Tettelin H., Ren Q., Read T.D., DeBoy R.T., Seshadri R., Salzberg S.L.,
RA   Jensen H.B., Birkeland N.K., Nelson W.C., Dodson R.J., Grindhaug S.H.,
RA   Holt I.E., Eidhammer I., Jonasen I., Vanaken S., Utterback T.R.,
RA   Feldblyum T.V., Fraser C.M., Lillehaug J.R., Eisen J.A.;
RT   "Genomic insights into methanotrophy: the complete genome sequence of
RT   Methylococcus capsulatus (Bath).";
RL   PLoS Biol. 2:1616-1628(2004).
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; AE017282; AAU92305.1; -; Genomic_DNA.
DR   RefSeq; WP_010960693.1; NC_002977.6.
DR   AlphaFoldDB; Q608S3; -.
DR   SMR; Q608S3; -.
DR   STRING; 243233.MCA1417; -.
DR   PRIDE; Q608S3; -.
DR   EnsemblBacteria; AAU92305; AAU92305; MCA1417.
DR   KEGG; mca:MCA1417; -.
DR   eggNOG; COG0079; Bacteria.
DR   HOGENOM; CLU_017584_3_3_6; -.
DR   OMA; NYHVAGF; -.
DR   OrthoDB; 1248286at2; -.
DR   UniPathway; UPA00031; UER00012.
DR   Proteomes; UP000006821; 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..371
FT                   /note="Histidinol-phosphate aminotransferase 2"
FT                   /id="PRO_0000153392"
FT   MOD_RES         232
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01023"
SQ   SEQUENCE   371 AA;  39708 MW;  6A4872377A5F1C91 CRC64;
     MSITTLAVPG VRGLTPYQPG KPIGELEREF ALKRIVKLAS NENPLGASPK VLEVVRRILG
     GTHLYPDGSG FELKAALAEK LGVEPAQIVL GNGSNDVLDL VARAFLTAGR NAVYSEYAFA
     VYPIATQTAG ATGKTAPAHD GSRGPRFGHD LETMLERVDP DTRVVFIANP NNPTGTLLGR
     GELYSFLAAL PEHVIAVVDE AYFEYARRPD HPDALEWLGE FPGLIVTRTF SKAYGLAGLR
     VGYAVTGVEI ADLLNRARQP FNVNTLGLAA AAAALEDTGF LEATVQANDA GRSQLEAGFR
     ERGFDFIPSA GNFVSFDLGR PATPVFDALL REGVIVRPLG NYGLPNHLRV SVGTAEEIDL
     FFAALDRVLV P