ID   SYH_CHLT2               Reviewed;         428 AA.
AC   B0B8B7;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-FEB-2008, sequence version 1.
DT   03-AUG-2022, entry version 79.
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=CTL0805;
OS   Chlamydia trachomatis serovar L2 (strain 434/Bu / ATCC VR-902B).
OC   Bacteria; Chlamydiae; Chlamydiales; Chlamydiaceae;
OC   Chlamydia/Chlamydophila group; Chlamydia.
OX   NCBI_TaxID=471472;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=434/Bu / ATCC VR-902B;
RX   PubMed=18032721; DOI=10.1101/gr.7020108;
RA   Thomson N.R., Holden M.T.G., Carder C., Lennard N., Lockey S.J., Marsh P.,
RA   Skipp P., O'Connor C.D., Goodhead I., Norbertzcak H., Harris B., Ormond D.,
RA   Rance R., Quail M.A., Parkhill J., Stephens R.S., Clarke I.N.;
RT   "Chlamydia trachomatis: genome sequence analysis of lymphogranuloma
RT   venereum isolates.";
RL   Genome Res. 18:161-171(2008).
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; AM884176; CAP04243.1; -; Genomic_DNA.
DR   RefSeq; WP_009873887.1; NC_010287.1.
DR   RefSeq; YP_001654876.1; NC_010287.1.
DR   AlphaFoldDB; B0B8B7; -.
DR   SMR; B0B8B7; -.
DR   EnsemblBacteria; CAP04243; CAP04243; CTL0805.
DR   KEGG; ctb:CTL0805; -.
DR   PATRIC; fig|471472.4.peg.862; -.
DR   HOGENOM; CLU_025113_1_1_0; -.
DR   OMA; CDFDFIG; -.
DR   Proteomes; UP000000795; 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   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.
FT   CHAIN           1..428
FT                   /note="Histidine--tRNA ligase"
FT                   /id="PRO_1000095539"
SQ   SEQUENCE   428 AA;  49093 MW;  11074A94698D7B49 CRC64;
     MSNALPKGVF DIFPYVTSPK NLWRNSSLWK RVEHAAHRIC NLYGFDEIRT PVFEKTETFL
     RVGEHSDIVK KEVYTFLDKK GRSLTLRPEG TAAVVRALLD HSADMRKDNK FYYILPMFRY
     ERQQSGRYRQ HHQFGLEAIG VRHPLRDAEV LSLLWDFYAA VGLQHMQIHV NFLGGQKTRA
     RYDEALREFF RKDLDRLSPL SQERYHANLL RILDSKEPED QEFIEKAPSI LDYIDDRDLS
     YFDAVLAQLK ALGIPFAINP RLVRGLDYYT DLVFEAVTVV GERSYALGGG GRYDELVAQS
     GGPSMPAFGF GVGLERVIQT LLEQGNSLST STRRLRLIPM DEQADAFCFS WANRLRNLGI
     ATEVDWSHKK PKLSLKDAAD QQVSFVCLLG EQELATKQFI VKDMSLHQSF SGAQQDVEQR
     LVYEVQNA