ID   HIS83_RHIME             Reviewed;         370 AA.
AC   Q930J0;
DT   11-JUL-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2001, sequence version 1.
DT   25-MAY-2022, entry version 109.
DE   RecName: Full=Histidinol-phosphate aminotransferase 3;
DE            EC=2.6.1.9;
DE   AltName: Full=Imidazole acetol-phosphate transaminase 3;
GN   Name=hisC3; OrderedLocusNames=RA0206; ORFNames=SMa0387;
OS   Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium
OS   meliloti).
OG   Plasmid pSymA (megaplasmid 1).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX   NCBI_TaxID=266834;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11481432; DOI=10.1073/pnas.161294798;
RA   Barnett M.J., Fisher R.F., Jones T., Komp C., Abola A.P., Barloy-Hubler F.,
RA   Bowser L., Capela D., Galibert F., Gouzy J., Gurjal M., Hong A., Huizar L.,
RA   Hyman R.W., Kahn D., Kahn M.L., Kalman S., Keating D.H., Palm C.,
RA   Peck M.C., Surzycki R., Wells D.H., Yeh K.-C., Davis R.W., Federspiel N.A.,
RA   Long S.R.;
RT   "Nucleotide sequence and predicted functions of the entire Sinorhizobium
RT   meliloti pSymA megaplasmid.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:9883-9888(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11474104; DOI=10.1126/science.1060966;
RA   Galibert F., Finan T.M., Long S.R., Puehler A., Abola P., Ampe F.,
RA   Barloy-Hubler F., Barnett M.J., Becker A., Boistard P., Bothe G.,
RA   Boutry M., Bowser L., Buhrmester J., Cadieu E., Capela D., Chain P.,
RA   Cowie A., Davis R.W., Dreano S., Federspiel N.A., Fisher R.F., Gloux S.,
RA   Godrie T., Goffeau A., Golding B., Gouzy J., Gurjal M., Hernandez-Lucas I.,
RA   Hong A., Huizar L., Hyman R.W., Jones T., Kahn D., Kahn M.L., Kalman S.,
RA   Keating D.H., Kiss E., Komp C., Lelaure V., Masuy D., Palm C., Peck M.C.,
RA   Pohl T.M., Portetelle D., Purnelle B., Ramsperger U., Surzycki R.,
RA   Thebault P., Vandenbol M., Vorhoelter F.J., Weidner S., Wells D.H.,
RA   Wong K., Yeh K.-C., Batut J.;
RT   "The composite genome of the legume symbiont Sinorhizobium meliloti.";
RL   Science 293:668-672(2001).
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; AE006469; AAK64864.1; -; Genomic_DNA.
DR   PIR; F95287; F95287.
DR   RefSeq; NP_435452.1; NC_003037.1.
DR   RefSeq; WP_010967205.1; NC_003037.1.
DR   AlphaFoldDB; Q930J0; -.
DR   SMR; Q930J0; -.
DR   PRIDE; Q930J0; -.
DR   EnsemblBacteria; AAK64864; AAK64864; SMa0387.
DR   GeneID; 61599046; -.
DR   KEGG; sme:SMa0387; -.
DR   PATRIC; fig|266834.11.peg.214; -.
DR   HOGENOM; CLU_017584_3_3_5; -.
DR   OMA; YPDINYT; -.
DR   UniPathway; UPA00031; UER00012.
DR   Proteomes; UP000001976; Plasmid pSymA.
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; Plasmid;
KW   Pyridoxal phosphate; Reference proteome; Transferase.
FT   CHAIN           1..370
FT                   /note="Histidinol-phosphate aminotransferase 3"
FT                   /id="PRO_0000153437"
FT   MOD_RES         229
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   370 AA;  40712 MW;  81A868235F0EE332 CRC64;
     MAIPSRPIRE EIRSIAPYNA GLTLEEVRAK YHVDEVAKLS SNENPLGPSP ALRRLFPDIG
     ELARLYPDPQ GRALCARLAA SFDVENNQVI LGNGSEDLIA VICRSVVRAG DTVVTLYPSF
     PLHEDYTTLM GGKVDRVTVT PDLSVDMDAL LAAIARKPRM LMFSNPMNPV GSWLTPLQLA
     KVVAALDPET LIVVDEAYAE YAAGDDYPSA AEVLKVTGLN WVVLRTFSKA YGLAGLRIGY
     GIVSDGSLCD FFNRARTPFN TNAIAQVSAL AAFDDTYHLN RSVELALVER ERMKKELATM
     GYRIAPSKCN FLFFDARTEA TPVAEALLRR GVIVKPWKQP RFETYIRVSI GSPVENDHFI
     HALKEVEAVG