ID   SYC_MYCPN               Reviewed;         437 AA.
AC   P75423;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   03-AUG-2022, entry version 127.
DE   RecName: Full=Cysteine--tRNA ligase;
DE            EC=6.1.1.16;
DE   AltName: Full=Cysteinyl-tRNA synthetase;
DE            Short=CysRS;
GN   Name=cysS; OrderedLocusNames=MPN_356; ORFNames=MP480;
OS   Mycoplasma pneumoniae (strain ATCC 29342 / M129) (Mycoplasmoides
OS   pneumoniae).
OC   Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Mycoplasma.
OX   NCBI_TaxID=272634;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29342 / M129;
RX   PubMed=8948633; DOI=10.1093/nar/24.22.4420;
RA   Himmelreich R., Hilbert H., Plagens H., Pirkl E., Li B.-C., Herrmann R.;
RT   "Complete sequence analysis of the genome of the bacterium Mycoplasma
RT   pneumoniae.";
RL   Nucleic Acids Res. 24:4420-4449(1996).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-cysteine + tRNA(Cys) = AMP + diphosphate + L-
CC         cysteinyl-tRNA(Cys); Xref=Rhea:RHEA:17773, Rhea:RHEA-COMP:9661,
CC         Rhea:RHEA-COMP:9679, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:35235, ChEBI:CHEBI:78442, ChEBI:CHEBI:78517,
CC         ChEBI:CHEBI:456215; EC=6.1.1.16;
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000250};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000250};
CC   -!- SUBUNIT: Monomer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC       {ECO:0000305}.
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DR   EMBL; U00089; AAB96128.1; -; Genomic_DNA.
DR   PIR; S73806; S73806.
DR   RefSeq; NP_110044.1; NC_000912.1.
DR   RefSeq; WP_010874712.1; NC_000912.1.
DR   AlphaFoldDB; P75423; -.
DR   SMR; P75423; -.
DR   STRING; 272634.MPN_356; -.
DR   EnsemblBacteria; AAB96128; AAB96128; MPN_356.
DR   KEGG; mpn:MPN_356; -.
DR   PATRIC; fig|272634.6.peg.383; -.
DR   HOGENOM; CLU_013528_0_0_14; -.
DR   OMA; GWHAECA; -.
DR   BioCyc; MPNE272634:G1GJ3-559-MON; -.
DR   Proteomes; UP000000808; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004817; F:cysteine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006423; P:cysteinyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   CDD; cd00672; CysRS_core; 1.
DR   Gene3D; 3.40.50.620; -; 1.
DR   HAMAP; MF_00041; Cys_tRNA_synth; 1.
DR   InterPro; IPR015803; Cys-tRNA-ligase.
DR   InterPro; IPR015273; Cys-tRNA-synt_Ia_DALR.
DR   InterPro; IPR024909; Cys-tRNA/MSH_ligase.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   InterPro; IPR032678; tRNA-synt_1_cat_dom.
DR   InterPro; IPR009080; tRNAsynth_Ia_anticodon-bd.
DR   PANTHER; PTHR10890; PTHR10890; 1.
DR   Pfam; PF09190; DALR_2; 1.
DR   Pfam; PF01406; tRNA-synt_1e; 1.
DR   PRINTS; PR00983; TRNASYNTHCYS.
DR   SUPFAM; SSF47323; SSF47323; 1.
DR   TIGRFAMs; TIGR00435; cysS; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase; Metal-binding;
KW   Nucleotide-binding; Protein biosynthesis; Reference proteome; Zinc.
FT   CHAIN           1..437
FT                   /note="Cysteine--tRNA ligase"
FT                   /id="PRO_0000159433"
FT   MOTIF           33..43
FT                   /note="'HIGH' region"
FT   MOTIF           262..266
FT                   /note="'KMSKS' region"
FT   BINDING         31
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         205
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         230
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         234
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         265
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   437 AA;  50665 MW;  A94BE766B9A948BD CRC64;
     MNQFEPKFTL IDTVSNQSVV LEQKQINIYL CGPTVYNDLH LGNTRPLIVF DVLQRVLQAA
     QYKVQFVQNI TDIDDKIIKI AQQQEISEAQ LCKQQITAYK SLLKKLNILP IKHLQVTDKI
     DKMPGYIARL VKKGFAYVSP LGNTYFSVSQ LPQYGILANR VVETIEDEAT DKRNKLDFVL
     WKQTTAGVKW NSPWGWGRPG WHVECAFLID YSFKDQLTIH GGGVDLKFPH HENENAMHMA
     LYDKPLTQHW MHIGHLMFEN QKMSKSLQNF LLAVDFLTIH DFRILRWLFY QKHYYHPLDL
     SQSLIEQACS DIKRIQKAVN VCRTWFVYSE QSAIPAPKQF EPVFKALLNN LNFANAITHI
     WKLVKQINHD VSKQNLSGLK EHLSHLEWAL NILGIGFKSI HTKLNVQLIK KWASLRKNGQ
     LDKADEVRQK LIKKGLL