ID   SYH2_BACHK              Reviewed;         423 AA.
AC   Q6HDC2;
DT   06-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 103.
DE   RecName: Full=Histidine--tRNA ligase 2 {ECO:0000255|HAMAP-Rule:MF_00127};
DE            EC=6.1.1.21 {ECO:0000255|HAMAP-Rule:MF_00127};
DE   AltName: Full=Histidyl-tRNA synthetase 2 {ECO:0000255|HAMAP-Rule:MF_00127};
DE            Short=HisRS 2 {ECO:0000255|HAMAP-Rule:MF_00127};
GN   Name=hisS2 {ECO:0000255|HAMAP-Rule:MF_00127};
GN   OrderedLocusNames=BT9727_4136;
OS   Bacillus thuringiensis subsp. konkukian (strain 97-27).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=281309;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=97-27;
RX   PubMed=16621833; DOI=10.1128/jb.188.9.3382-3390.2006;
RA   Han C.S., Xie G., Challacombe J.F., Altherr M.R., Bhotika S.S., Bruce D.,
RA   Campbell C.S., Campbell M.L., Chen J., Chertkov O., Cleland C.,
RA   Dimitrijevic M., Doggett N.A., Fawcett J.J., Glavina T., Goodwin L.A.,
RA   Hill K.K., Hitchcock P., Jackson P.J., Keim P., Kewalramani A.R.,
RA   Longmire J., Lucas S., Malfatti S., McMurry K., Meincke L.J., Misra M.,
RA   Moseman B.L., Mundt M., Munk A.C., Okinaka R.T., Parson-Quintana B.,
RA   Reilly L.P., Richardson P., Robinson D.L., Rubin E., Saunders E., Tapia R.,
RA   Tesmer J.G., Thayer N., Thompson L.S., Tice H., Ticknor L.O., Wills P.L.,
RA   Brettin T.S., Gilna P.;
RT   "Pathogenomic sequence analysis of Bacillus cereus and Bacillus
RT   thuringiensis isolates closely related to Bacillus anthracis.";
RL   J. Bacteriol. 188:3382-3390(2006).
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; AE017355; AAT63688.1; -; Genomic_DNA.
DR   RefSeq; WP_003161280.1; NC_005957.1.
DR   RefSeq; YP_038454.1; NC_005957.1.
DR   AlphaFoldDB; Q6HDC2; -.
DR   SMR; Q6HDC2; -.
DR   EnsemblBacteria; AAT63688; AAT63688; BT9727_4136.
DR   GeneID; 45024276; -.
DR   KEGG; btk:BT9727_4136; -.
DR   PATRIC; fig|281309.8.peg.4414; -.
DR   HOGENOM; CLU_025113_1_1_9; -.
DR   OMA; CDFDFIG; -.
DR   Proteomes; UP000001301; 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   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   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   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..423
FT                   /note="Histidine--tRNA ligase 2"
FT                   /id="PRO_0000136107"
SQ   SEQUENCE   423 AA;  47747 MW;  A0390902820685CF CRC64;
     MSIQIPRGTQ DILPGTVELW QYIEGQAREI CRRYNYKEIR TPIFEHTELF LRGVGDTTDI
     VQKEMYSFQD RGERSLTLRP EGTAPVVRSY VENKMFGDAT QPTKLYYIGQ MFRYERPQAG
     RYRQFVQFGI EAIGSNDPAI DAEVIALAVE FYRGMGLKNI KVVLNSLGDA ASRQAHRDAL
     IAHFEPRIGE FCSDCQSRLE KNPLRILDCK KDRNHELMGT APSITEYLNE DSAVYYDKVQ
     ELLTMMDVPF EKDPNLVRGL DYYQHTVFEI MSEAEGFGAI TTLSGGGRYN GLVQEIGGPE
     MPGIGFAMSI ERLIMALKAE NIELPIEHSI DCYVVALGEK AKDHAAKVAF DLRKAGLAVE
     KDYLDRKMKA QFKSADRLKA KFVAVLGEDE LDKGIINLKD MATGEQEEVA LDVFASYVAE
     KLI