ID   SYH_METTH               Reviewed;         425 AA.
AC   O26346;
DT   15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2000, sequence version 2.
DT   03-AUG-2022, entry version 127.
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=MTH_244;
OS   Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM
OS   10044 / NBRC 100330 / Delta H) (Methanobacterium thermoautotrophicum).
OC   Archaea; Euryarchaeota; Methanomada group; Methanobacteria;
OC   Methanobacteriales; Methanobacteriaceae; Methanothermobacter.
OX   NCBI_TaxID=187420;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H;
RX   PubMed=9371463; DOI=10.1128/jb.179.22.7135-7155.1997;
RA   Smith D.R., Doucette-Stamm L.A., Deloughery C., Lee H.-M., Dubois J.,
RA   Aldredge T., Bashirzadeh R., Blakely D., Cook R., Gilbert K., Harrison D.,
RA   Hoang L., Keagle P., Lumm W., Pothier B., Qiu D., Spadafora R., Vicare R.,
RA   Wang Y., Wierzbowski J., Gibson R., Jiwani N., Caruso A., Bush D.,
RA   Safer H., Patwell D., Prabhakar S., McDougall S., Shimer G., Goyal A.,
RA   Pietrovski S., Church G.M., Daniels C.J., Mao J.-I., Rice P., Noelling J.,
RA   Reeve J.N.;
RT   "Complete genome sequence of Methanobacterium thermoautotrophicum deltaH:
RT   functional analysis and comparative genomics.";
RL   J. Bacteriol. 179:7135-7155(1997).
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   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAB84750.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE000666; AAB84750.1; ALT_INIT; Genomic_DNA.
DR   PIR; E69130; E69130.
DR   RefSeq; WP_048061190.1; NC_000916.1.
DR   AlphaFoldDB; O26346; -.
DR   SMR; O26346; -.
DR   STRING; 187420.MTH_244; -.
DR   PRIDE; O26346; -.
DR   EnsemblBacteria; AAB84750; AAB84750; MTH_244.
DR   GeneID; 1470205; -.
DR   KEGG; mth:MTH_244; -.
DR   PATRIC; fig|187420.15.peg.213; -.
DR   HOGENOM; CLU_025113_3_1_2; -.
DR   OMA; CDFDFIG; -.
DR   Proteomes; UP000005223; 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:0000105; P:histidine biosynthetic process; IEA:InterPro.
DR   GO; GO:0006427; P:histidyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
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   HAMAP; MF_00125; HisZ; 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   InterPro; IPR004517; HisZ.
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   TIGRFAMs; TIGR00443; hisZ_biosyn_reg; 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   CHAIN           1..425
FT                   /note="Histidine--tRNA ligase"
FT                   /id="PRO_0000136316"
SQ   SEQUENCE   425 AA;  48020 MW;  8388A5975A017535 CRC64;
     MDISRPRGTR DFLFAEMRNR KEVEGVLRRT FETYGYHEIK TPIFEELKLF TVKSGEEVVN
     QIYHFTDKGG RELALRPELT APVARLYMNE MQKKPKPIKM YYFGSCFRYE RPQAGRFRQF
     WQFGCELIGG RSPLAEAEVI SLASESLHEL GLDGFEVHIG HLGILRGILG REEIPSELQD
     RIMGVIDKGD VEELEALLGE VEVSGESREL LMKLIGTQGG PEVLDDVEEY LGGYSESLEA
     LEEFRELVET LHYFGVDDYH VNLGIARGLD YYTGIVFEIY VPELGAQKQI CGGGTYNLVE
     TFGGERVEST GFAFGFDRLM NALGMDEENM RMVDVFVIPI QDSTVPEAIR ITQELRAAGV
     SADLEVSGRK LRKALSHADN LGARFAVLTG EREIQDGKVT VKDMERNSQE TLPRDEMVDK
     IKGRC