ID   SYC_SYNY3               Reviewed;         483 AA.
AC   P74330;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   03-AUG-2022, entry version 137.
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=slr0958;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(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}.
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; BA000022; BAA18424.1; -; Genomic_DNA.
DR   PIR; S76165; S76165.
DR   AlphaFoldDB; P74330; -.
DR   SMR; P74330; -.
DR   IntAct; P74330; 1.
DR   STRING; 1148.1653511; -.
DR   PaxDb; P74330; -.
DR   EnsemblBacteria; BAA18424; BAA18424; BAA18424.
DR   KEGG; syn:slr0958; -.
DR   eggNOG; COG0215; Bacteria.
DR   InParanoid; P74330; -.
DR   OMA; AKYWMHN; -.
DR   PhylomeDB; P74330; -.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0005524; F:ATP binding; IBA:GO_Central.
DR   GO; GO:0004817; F:cysteine-tRNA ligase activity; IBA:GO_Central.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006423; P:cysteinyl-tRNA aminoacylation; IBA:GO_Central.
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..483
FT                   /note="Cysteine--tRNA ligase"
FT                   /id="PRO_0000159505"
FT   MOTIF           31..41
FT                   /note="'HIGH' region"
FT   MOTIF           272..276
FT                   /note="'KMSKS' region"
FT   BINDING         29
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         215
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         240
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         244
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         275
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   483 AA;  53968 MW;  6F200064977A3A5D CRC64;
     MTLRLYDSLT RAKQPLQPLH PGLVTMYCCG ITVYDYCHLG HARTCITWDL VRRYLQWSGY
     EVRYVQNFTD IDDKILKRAV DESSTMEAVS EKFIAAYFED MEALGVQPAD LYPRATHTLD
     GIKRLIAELE AKGYAYPSGG DVYYSVRNFD GYGKLSGRRL EDLQAGASGR VTVADPDGAQ
     KQDPFDFALW KSAKPGEPAW ESPWGKGRPG WHIECSAMVR EFLGETIDLH VGGNDLIFPH
     HENEIAQSEA VTGQPLAQYW LHNGMVKVDG EKMSKSLGNF TTIRALLKTV DPMAIRLLVL
     QGHYRKPLDF TETAIAAATN GWHTLREGLQ FGYDYGGDFG WELAFTPLGP DANQWTVAFQ
     EAVDDDFNFA GGLAVMFELA KHLRSEGNKL KFEGSTPADL DLLQTQWITL VSLAEILGLS
     INPESQSSND NGLTDGDIEQ LVAQRTQARK DKNWAEGDRL RDVLQEAGIT LVDKPGGLTE
     WFR