ID   SYH_NANEQ               Reviewed;         404 AA.
AC   P60922;
DT   13-APR-2004, integrated into UniProtKB/Swiss-Prot.
DT   13-APR-2004, sequence version 1.
DT   25-MAY-2022, entry version 97.
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=NEQ102;
OS   Nanoarchaeum equitans (strain Kin4-M).
OC   Archaea; Nanoarchaeota; Candidatus Nanoarchaeia; Nanoarchaeales;
OC   Nanoarchaeaceae; Nanoarchaeum.
OX   NCBI_TaxID=228908;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Kin4-M;
RX   PubMed=14566062; DOI=10.1073/pnas.1735403100;
RA   Waters E., Hohn M.J., Ahel I., Graham D.E., Adams M.D., Barnstead M.,
RA   Beeson K.Y., Bibbs L., Bolanos R., Keller M., Kretz K., Lin X., Mathur E.,
RA   Ni J., Podar M., Richardson T., Sutton G.G., Simon M., Soell D.,
RA   Stetter K.O., Short J.M., Noorderwier M.;
RT   "The genome of Nanoarchaeum equitans: insights into early archaeal
RT   evolution and derived parasitism.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:12984-12988(2003).
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   -!- 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; AE017199; AAR38959.1; -; Genomic_DNA.
DR   AlphaFoldDB; P60922; -.
DR   SMR; P60922; -.
DR   STRING; 228908.NEQ102; -.
DR   PRIDE; P60922; -.
DR   EnsemblBacteria; AAR38959; AAR38959; NEQ102.
DR   KEGG; neq:NEQ102; -.
DR   PATRIC; fig|228908.8.peg.109; -.
DR   HOGENOM; CLU_025113_3_0_2; -.
DR   OMA; CDFDFIG; -.
DR   Proteomes; UP000000578; 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; 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   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   CHAIN           1..404
FT                   /note="Histidine--tRNA ligase"
FT                   /id="PRO_0000136317"
SQ   SEQUENCE   404 AA;  47695 MW;  576129B950E3498D CRC64;
     MILPPRGTKD FTPELAILWK EIVSKIESVY QKYGFDPIIT PIVEYWDTLK GKYGEEAEKK
     EIWRFRVPQS KKWYALKYDQ TVPLARYFAR FRPKLPFKRY TIDRTFRYDE PQKGRYREFW
     QADADIVGSP YPEADAEILN MMIEAYETLG FNVYLRVSDR RALESLIEKV GEKDKFIEIA
     RIIDKWDKIG EEGVLEKLKQ ITDKAEKIIE LLKENPEEFY PKEFWEIIDL VEKKNKIKID
     IKLARGFDYY TGMVYEVWIE GFNRALGGGG RYDNLIGIFS KEKIPAVGGS IGINPLIDVG
     LEKGIFNLNK KTYTQIAVIY IEVFKEAWRI ANKLRDLGLN VYIDLLRRDF KKQMEYVIEK
     DIRYLVIVGK KDLANNLVTF QDRLTRERKK IPIENLEEIK SLVQ