ID   SYH_BLOPB               Reviewed;         438 AA.
AC   Q492E1;
DT   06-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   03-AUG-2022, entry version 100.
DE   RecName: Full=Histidine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00127};
DE            EC=6.1.1.21 {ECO:0000255|HAMAP-Rule:MF_00127};
DE   AltName: Full=Histidyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00127};
DE            Short=HisRS {ECO:0000255|HAMAP-Rule:MF_00127};
GN   Name=hisS {ECO:0000255|HAMAP-Rule:MF_00127}; OrderedLocusNames=BPEN_550;
OS   Blochmannia pennsylvanicus (strain BPEN).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; ant endosymbionts; Candidatus Blochmannia.
OX   NCBI_TaxID=291272;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BPEN;
RX   PubMed=16077009; DOI=10.1101/gr.3771305;
RA   Degnan P.H., Lazarus A.B., Wernegreen J.J.;
RT   "Genome sequence of Blochmannia pennsylvanicus indicates parallel
RT   evolutionary trends among bacterial mutualists of insects.";
RL   Genome Res. 15:1023-1033(2005).
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         Evidence={ECO:0000255|HAMAP-Rule:MF_00127};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00127}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00127}.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00127}.
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DR   EMBL; CP000016; AAZ41160.1; -; Genomic_DNA.
DR   RefSeq; WP_011283071.1; NC_007292.1.
DR   AlphaFoldDB; Q492E1; -.
DR   SMR; Q492E1; -.
DR   STRING; 291272.BPEN_550; -.
DR   EnsemblBacteria; AAZ41160; AAZ41160; BPEN_550.
DR   KEGG; bpn:BPEN_550; -.
DR   eggNOG; COG0124; Bacteria.
DR   HOGENOM; CLU_025113_1_1_6; -.
DR   OMA; CDFDFIG; -.
DR   BioCyc; CBLO291272:BPEN_RS02715-MON; -.
DR   Proteomes; UP000007794; 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; IEA:UniProtKB-UniRule.
DR   GO; GO:0006427; P:histidyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   CDD; cd00773; HisRS-like_core; 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; IPR036621; Anticodon-bd_dom_sf.
DR   InterPro; IPR015807; His-tRNA-ligase.
DR   InterPro; IPR041715; HisRS-like_core.
DR   InterPro; IPR004516; HisRS/HisZ.
DR   PANTHER; PTHR43707; PTHR43707; 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.
FT   CHAIN           1..438
FT                   /note="Histidine--tRNA ligase"
FT                   /id="PRO_0000136116"
SQ   SEQUENCE   438 AA;  50693 MW;  2FCC04C213FDB1E0 CRC64;
     MLKYDKNIQS VRGMHDYLPK DTILWQYIEN ILITILDSYG YKEIRFPIIE DTNLFKRSIG
     EVTDVIEKEM YNFTDRNGNN LTLRPEGTSG CVRAGIKHGL FYHQEQRLWY LGPMFRYERP
     QKGRYRQFHQ FSAEAFGQIG PDIDAELILI TARCWKKLGI NHHLSLELNS IGSLSSRINY
     RKKLITFLEK NLSNLDSNAL RRLYSNPLRI LDTKNTKTKE LLLNAPILSD YLDDDSRVHF
     SELCQLLNLL GVPYRVNPYL VRGLDYYNKT VFEWVTDSLG VKKTICAGGR YDELVQELGG
     YSAPAIGFSI GLERVILLIQ EINNISILHK NIYIDVYFIS IGDNSRKHAM LLSENIRSTL
     PSLRLMVHHG GDDIKKQFYC ANKHKPQIVL IMNEKNALDK TIILKNLQSK TQEILKHDAV
     SERLKHILHI TCNSTDNK