ID   SYH_HAEIN               Reviewed;         423 AA.
AC   P43823;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 140.
DE   RecName: Full=Histidine--tRNA ligase;
DE            EC=6.1.1.21;
DE   AltName: Full=Histidyl-tRNA synthetase;
DE            Short=HisRS;
GN   Name=hisS; OrderedLocusNames=HI_0369;
OS   Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=71421;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX   PubMed=7542800; DOI=10.1126/science.7542800;
RA   Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA   Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA   McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA   Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA   Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA   Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA   Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA   Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT   "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT   Rd.";
RL   Science 269:496-512(1995).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-histidine + tRNA(His) = AMP + diphosphate + H(+) + L-
CC         histidyl-tRNA(His); Xref=Rhea:RHEA:17313, Rhea:RHEA-COMP:9665,
CC         Rhea:RHEA-COMP:9689, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:57595, ChEBI:CHEBI:78442,
CC         ChEBI:CHEBI:78527, ChEBI:CHEBI:456215; EC=6.1.1.21;
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       {ECO:0000305}.
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DR   EMBL; L42023; AAC22027.1; -; Genomic_DNA.
DR   PIR; I64063; I64063.
DR   RefSeq; NP_438530.1; NC_000907.1.
DR   RefSeq; WP_005693795.1; NC_000907.1.
DR   AlphaFoldDB; P43823; -.
DR   SMR; P43823; -.
DR   STRING; 71421.HI_0369; -.
DR   EnsemblBacteria; AAC22027; AAC22027; HI_0369.
DR   KEGG; hin:HI_0369; -.
DR   PATRIC; fig|71421.8.peg.387; -.
DR   eggNOG; COG0124; Bacteria.
DR   HOGENOM; CLU_025113_1_1_6; -.
DR   OMA; CDFDFIG; -.
DR   PhylomeDB; P43823; -.
DR   BioCyc; HINF71421:G1GJ1-382-MON; -.
DR   BRENDA; 6.1.1.21; 2529.
DR   Proteomes; UP000000579; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004821; F:histidine-tRNA ligase activity; IBA:GO_Central.
DR   GO; GO:0006427; P:histidyl-tRNA aminoacylation; IBA:GO_Central.
DR   CDD; cd00773; HisRS-like_core; 1.
DR   CDD; cd00859; HisRS_anticodon; 1.
DR   Gene3D; 3.30.930.10; -; 1.
DR   Gene3D; 3.40.50.800; -; 1.
DR   HAMAP; MF_00127; His_tRNA_synth; 1.
DR   InterPro; IPR006195; aa-tRNA-synth_II.
DR   InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
DR   InterPro; IPR004154; Anticodon-bd.
DR   InterPro; IPR036621; Anticodon-bd_dom_sf.
DR   InterPro; IPR015807; His-tRNA-ligase.
DR   InterPro; IPR041715; HisRS-like_core.
DR   InterPro; IPR004516; HisRS/HisZ.
DR   InterPro; IPR033656; HisRS_anticodon.
DR   PANTHER; PTHR43707; PTHR43707; 1.
DR   Pfam; PF03129; HGTP_anticodon; 1.
DR   Pfam; PF13393; tRNA-synt_His; 1.
DR   PIRSF; PIRSF001549; His-tRNA_synth; 1.
DR   SUPFAM; SSF55681; SSF55681; 1.
DR   TIGRFAMs; TIGR00442; hisS; 1.
DR   PROSITE; PS50862; AA_TRNA_LIGASE_II; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase;
KW   Nucleotide-binding; Protein biosynthesis; Reference proteome.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..423
FT                   /note="Histidine--tRNA ligase"
FT                   /id="PRO_0000136171"
SQ   SEQUENCE   423 AA;  47672 MW;  50C07AB84B6F6FD5 CRC64;
     MAKTIQAIRG MNDCAPTESP LWQWIEAQVR NVLNSYGYSE VRMPIVESTP LFARAIGEVT
     DVVSKEMYTF WDNDEQLTLR PEGTAGCVRA AIEHGWIYNN EQRLWYIGPM FRHERPQKGR
     YRQFHQVGVE VFGIANPEID AELIMLTYRL WKALGIDQHV TLQLNSIGSL EARANYRSAL
     VGFLENHQDL MSDEEKERLV RNPLRILDTK NPELQKVLDN APKLLDYLDD ESRTHFEQLC
     SLLDAVGIQY EINPKLVRGL DYYNKTVFEW VTSALGAQGT VCGGGRYDGL VEQLGGHATP
     SIGFAMGLER LVLLVQEVNP NVPAKSAVDI YVVYQGEGAT LAAFELAEKV RSELPHLNTM
     LHCSSGNFKK QFKRADKSGA TLALVIGESE VQNKQVVVKH LQGGTDQQTL DLVNIIDYLQ
     TQF