SYC_PROMT
ID SYC_PROMT Reviewed; 500 AA.
AC Q46JT8;
DT 27-JUN-2006, integrated into UniProtKB/Swiss-Prot.
DT 13-SEP-2005, sequence version 1.
DT 03-AUG-2022, entry version 97.
DE RecName: Full=Cysteine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00041};
DE EC=6.1.1.16 {ECO:0000255|HAMAP-Rule:MF_00041};
DE AltName: Full=Cysteinyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00041};
DE Short=CysRS {ECO:0000255|HAMAP-Rule:MF_00041};
GN Name=cysS {ECO:0000255|HAMAP-Rule:MF_00041}; OrderedLocusNames=PMN2A_0749;
OS Prochlorococcus marinus (strain NATL2A).
OC Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC Prochlorococcus.
OX NCBI_TaxID=59920;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NATL2A;
RX PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA Richardson P., Chisholm S.W.;
RT "Patterns and implications of gene gain and loss in the evolution of
RT Prochlorococcus.";
RL PLoS Genet. 3:2515-2528(2007).
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; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00041};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00041};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00041};
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00041}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00041}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC {ECO:0000255|HAMAP-Rule:MF_00041}.
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DR EMBL; CP000095; AAZ58240.1; -; Genomic_DNA.
DR RefSeq; WP_011294837.1; NC_007335.2.
DR AlphaFoldDB; Q46JT8; -.
DR SMR; Q46JT8; -.
DR STRING; 59920.PMN2A_0749; -.
DR PRIDE; Q46JT8; -.
DR EnsemblBacteria; AAZ58240; AAZ58240; PMN2A_0749.
DR KEGG; pmn:PMN2A_0749; -.
DR HOGENOM; CLU_013528_0_1_3; -.
DR OMA; AKYWMHN; -.
DR OrthoDB; 952207at2; -.
DR PhylomeDB; Q46JT8; -.
DR Proteomes; UP000002535; 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 SMART; SM00840; DALR_2; 1.
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..500
FT /note="Cysteine--tRNA ligase"
FT /id="PRO_0000240934"
FT MOTIF 31..41
FT /note="'HIGH' region"
FT MOTIF 270..274
FT /note="'KMSKS' region"
FT BINDING 29
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
FT BINDING 213
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
FT BINDING 238
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
FT BINDING 242
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
FT BINDING 273
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
SQ SEQUENCE 500 AA; 57360 MW; 1BBFE0ABA2895766 CRC64;
MSLKFTNTLS KKKEDFISIN PNQVKIYCCG VTVYDLCHLG HARSYLNWDV LRRFLIWKGF
EVKFVQNFTD IDDKIINRAN KEGCSTDELS ERNIDEFHKD MDTLSILRPT SMPRATKCLH
QIINFIEELE QKKVAYSSNG DVYFSVDKHK NYGKLSGREI EDQIDNAAGR LKTNQKESKK
NSLDFALWKK SNSGEVSYSS PWGNGRPGWH IECSAMVKQE LGESIDIHLG GSDLIFPHHE
NEIAQSEACN GKELAKYWLH NGMVNVGGEK MSKSLGNFTT IRSLLEEDIS PMTLRFFVLQ
TNYRKPLDFT EEALKAASKG WERLNNCLSF GYIYKIKDQS KNEIFLDKPI KKSANTKLDK
NSFKLLSDFE KYMDDDLNTS GALSILFELS QPIRKIINFL KEKDINEVDQ DELNQVFNKW
ELLSELAGVL GLKVNLNQEK PKNNPELDTN KIEELIKNRS LAKANKDFLL ADKIRADLKN
IGIDLIDKPK GVTEWKQLSD