ID   SYH_MESH2               Reviewed;         428 AA.
AC   Q601R3;
DT   06-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   03-AUG-2022, entry version 109.
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=mhp138;
OS   Mesomycoplasma hyopneumoniae (strain 232) (Mycoplasma hyopneumoniae).
OC   Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Mesomycoplasma.
OX   NCBI_TaxID=295358;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=232;
RX   PubMed=15489423; DOI=10.1128/jb.186.21.7123-7133.2004;
RA   Minion F.C., Lefkowitz E.J., Madsen M.L., Cleary B.J., Swartzell S.M.,
RA   Mahairas G.G.;
RT   "The genome sequence of Mycoplasma hyopneumoniae strain 232, the agent of
RT   swine mycoplasmosis.";
RL   J. Bacteriol. 186:7123-7133(2004).
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; AE017332; AAV27734.1; -; Genomic_DNA.
DR   RefSeq; WP_011205976.1; NC_006360.1.
DR   AlphaFoldDB; Q601R3; -.
DR   SMR; Q601R3; -.
DR   STRING; 295358.mhp138; -.
DR   EnsemblBacteria; AAV27734; AAV27734; mhp138.
DR   KEGG; mhy:mhp138; -.
DR   eggNOG; COG0124; Bacteria.
DR   HOGENOM; CLU_025113_1_2_14; -.
DR   OMA; CDFDFIG; -.
DR   PhylomeDB; Q601R3; -.
DR   Proteomes; UP000006822; 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..428
FT                   /note="Histidine--tRNA ligase"
FT                   /id="PRO_0000136199"
SQ   SEQUENCE   428 AA;  50401 MW;  C7090754CEC0DC22 CRC64;
     MKKKLNLCPK GTYDFFGQGA KIFIDVRKVF FNQAKKFNFS YIETPIFEYA NIFLTTNQIA
     DIVSKELYKF FDKSGRELAL RPEGTAPIMR SVAQHKLFQT EKKFFYFGPM FRYENPQKGR
     FRQFYQAGFE IINYKKDSLE FQILEIILLI KSIFKDLGIN EYEIKINFLS NLTTRNIYKK
     NLAQYFEKFS DKLEPISKIR IKKNPLRILD DKIEQEKEFV KLAPKINTFW TMEDKNIFNR
     ITSILEEFKI IYKVDYNLVR GLDYYDDFVF EFIDTSQTLG TKLALVGGGC YNNLPTKFGL
     NNFKSIGMAF GIERLIEIIK SKKNIKEQNL DFFLLSFTDK EILLNFKLAK ILRKENFLVD
     LNKTPFSVSK GFQLAKKSGA KFVFFFEKNQ AKNYISLKNL QTGKNEQILY TEINFEYLNS
     IIKASENA