ID   SYH_RHOBA               Reviewed;         442 AA.
AC   Q7UZ20;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 104.
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=RB251;
OS   Rhodopirellula baltica (strain DSM 10527 / NCIMB 13988 / SH1).
OC   Bacteria; Planctomycetes; Planctomycetia; Pirellulales; Pirellulaceae;
OC   Rhodopirellula.
OX   NCBI_TaxID=243090;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 10527 / NCIMB 13988 / SH1;
RX   PubMed=12835416; DOI=10.1073/pnas.1431443100;
RA   Gloeckner F.O., Kube M., Bauer M., Teeling H., Lombardot T., Ludwig W.,
RA   Gade D., Beck A., Borzym K., Heitmann K., Rabus R., Schlesner H., Amann R.,
RA   Reinhardt R.;
RT   "Complete genome sequence of the marine planctomycete Pirellula sp. strain
RT   1.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:8298-8303(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   -!- 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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; BX294133; CAD71466.1; -; Genomic_DNA.
DR   RefSeq; NP_863795.1; NC_005027.1.
DR   RefSeq; WP_011117814.1; NC_005027.1.
DR   AlphaFoldDB; Q7UZ20; -.
DR   SMR; Q7UZ20; -.
DR   STRING; 243090.RB251; -.
DR   EnsemblBacteria; CAD71466; CAD71466; RB251.
DR   KEGG; rba:RB251; -.
DR   PATRIC; fig|243090.15.peg.125; -.
DR   eggNOG; COG0124; Bacteria.
DR   HOGENOM; CLU_025113_3_0_0; -.
DR   InParanoid; Q7UZ20; -.
DR   OMA; YQIQKVW; -.
DR   OrthoDB; 277998at2; -.
DR   Proteomes; UP000001025; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004821; F:histidine-tRNA ligase activity; IBA:GO_Central.
DR   GO; GO:0006427; P:histidyl-tRNA aminoacylation; IBA:GO_Central.
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   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..442
FT                   /note="Histidine--tRNA ligase"
FT                   /id="PRO_0000136236"
SQ   SEQUENCE   442 AA;  47667 MW;  B2CEEB904347EB20 CRC64;
     MIQPRTLKGF RDYLPAAMIP REQLMQTARE VFRSFGFAPI DTPTLEHLEI LTGKGSDETD
     RQLYSFEDNG GRPVGMRFDL TVPLARFAAQ HIGTLGTPFK RYHIAPVWRG EKPQEGRYRE
     FVQCDFDTIG TTSELADIEA VCVIDALLRA IGIDAFTISI NNRAILTGLL ESLGLADKTT
     PVLRSLDKLG KIGREKTANE MVESAGVTAE QADAVLRLAE CDGDAESILA SLPEITGGNE
     TAAAGIERLT QIYRGALASG VSPDRLKIDV SIARGLDYYT GVIFETTLDE LPGIGSVCSG
     GRYDNLAGLY TKQHLPGIGA SLGLDRLLAA LESLGRLSGV SKPCAVFVPF FDKGHRDDYL
     KLASQLRDAG IGVEVYPEPK KLGQQLKYAD SQGFAVAIIA GGNEWEAGAV QVKTLATKES
     QDVAYSHESP DALIEAIQAA TS