ID   HIS81_NOSS1             Reviewed;         353 AA.
AC   Q8YV89;
DT   11-JUL-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   25-MAY-2022, entry version 105.
DE   RecName: Full=Histidinol-phosphate aminotransferase 1;
DE            EC=2.6.1.9;
DE   AltName: Full=Imidazole acetol-phosphate transaminase 1;
GN   Name=hisC1; OrderedLocusNames=alr2092;
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; BAB73791.1; -; Genomic_DNA.
DR   PIR; AF2067; AF2067.
DR   RefSeq; WP_010996250.1; NZ_RSCN01000033.1.
DR   AlphaFoldDB; Q8YV89; -.
DR   SMR; Q8YV89; -.
DR   STRING; 103690.17131183; -.
DR   EnsemblBacteria; BAB73791; BAB73791; BAB73791.
DR   KEGG; ana:alr2092; -.
DR   eggNOG; COG0079; Bacteria.
DR   OMA; IWLNANE; -.
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; 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..353
FT                   /note="Histidinol-phosphate aminotransferase 1"
FT                   /id="PRO_0000153293"
FT   MOD_RES         211
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   353 AA;  39106 MW;  3891CF87E990AB4E CRC64;
     MTNYFRSNVE AMASYVPGEQ PPQGTQVIKL NSNENPYPPS PEALAAIKDI DGECLRRYPE
     PFGEEFRKAV SQLLGVPCNW VIVGNGSDEI LSIVIRACAE PTRKVVYPVP TYVLYRTLTE
     MQAADILEIP YREYNILPVA DLIAAHGSVT FIASPNSPSG HVVPSDDLRK LASELSGVLV
     IDEAYVDFAE ESALNLVQDH ENVILIRTLS KGYSLAGLRL GFGVGNPQLL NGLFKVKDSY
     NVDAIACKVA TAAITDQAYK NACVAKVKAS RTRLAKDLKQ LGFCVWDSQA NFLLTQPPQG
     NAEYLYQQLR EKKILIRYFK QPGLEDKLRI TVGTDEQNQI LLQALRDLLE SRD