ID   HIS82_NOSS1             Reviewed;         384 AA.
AC   Q8YMG7;
DT   11-JUL-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   25-MAY-2022, entry version 104.
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=all4966;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(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; BA000019; BAB76665.1; -; Genomic_DNA.
DR   PIR; AF2426; AF2426.
DR   RefSeq; WP_010999092.1; NZ_RSCN01000018.1.
DR   AlphaFoldDB; Q8YMG7; -.
DR   SMR; Q8YMG7; -.
DR   STRING; 103690.17134104; -.
DR   EnsemblBacteria; BAB76665; BAB76665; BAB76665.
DR   KEGG; ana:all4966; -.
DR   eggNOG; COG0079; Bacteria.
DR   OMA; YPDMACT; -.
DR   OrthoDB; 1248286at2; -.
DR   UniPathway; UPA00031; UER00012.
DR   Proteomes; UP000002483; 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..384
FT                   /note="Histidinol-phosphate aminotransferase 2"
FT                   /id="PRO_0000153294"
FT   MOD_RES         236
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   384 AA;  42118 MW;  436A87712C768DEA CRC64;
     MLPFIRSDLA QFNAYKPHPS SDTASAVPPQ LDRLDTNESP YDLPPELKQK LAWTFQQVIE
     SNRYPDGGHE TLKSAIAEYV NESANISSLR FTAANISVGN GSDELIRSLL IATCLSGEGS
     ILVANPTFSM YGILAQTLGI PVVSVSRNPD NFAIDLTAAQ SAIEQTLNPP IRVVFVVHPN
     SPTANPLTAN ELRWLKSLSE RILVVVDEAY FEFSQNTLVS ELAQRPNWII LRTFSKAFRL
     AAMRVGYCVA HPEAIAILEK VRLPYNLPSF SIASALVALQ NRAILLESIP QTLDERTKLI
     NAFSQHPALA VAESAANFIF LRLKADSDNS SDTTLLNLHQ QLKNSGTLVR QISGGLRITI
     GTPEENIRTL NHIQTALIKP ELVG