ID   SYC_GLOC7               Reviewed;         486 AA.
AC   B7K7T8;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 71.
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};
GN   OrderedLocusNames=PCC7424_2722;
OS   Gloeothece citriformis (strain PCC 7424) (Cyanothece sp. (strain PCC
OS   7424)).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
OC   Aphanothecaceae; Gloeothece; Gloeothece citriformis.
OX   NCBI_TaxID=65393;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7424;
RX   PubMed=21972240; DOI=10.1128/mbio.00214-11;
RA   Bandyopadhyay A., Elvitigala T., Welsh E., Stockel J., Liberton M., Min H.,
RA   Sherman L.A., Pakrasi H.B.;
RT   "Novel metabolic attributes of the genus Cyanothece, comprising a group of
RT   unicellular nitrogen-fixing Cyanobacteria.";
RL   MBio 2:E214-E214(2011).
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; CP001291; ACK71134.1; -; Genomic_DNA.
DR   RefSeq; WP_015954735.1; NC_011729.1.
DR   AlphaFoldDB; B7K7T8; -.
DR   SMR; B7K7T8; -.
DR   STRING; 65393.PCC7424_2722; -.
DR   EnsemblBacteria; ACK71134; ACK71134; PCC7424_2722.
DR   KEGG; cyc:PCC7424_2722; -.
DR   eggNOG; COG0215; Bacteria.
DR   HOGENOM; CLU_013528_0_1_3; -.
DR   OMA; AKYWMHN; -.
DR   OrthoDB; 952207at2; -.
DR   Proteomes; UP000002384; 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..486
FT                   /note="Cysteine--tRNA ligase"
FT                   /id="PRO_1000199053"
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:0000255|HAMAP-Rule:MF_00041"
FT   BINDING         215
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
FT   BINDING         240
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
FT   BINDING         244
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
FT   BINDING         275
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
SQ   SEQUENCE   486 AA;  55519 MW;  DA1297E5B1E1AFDA CRC64;
     MTLTIYNTLT RQKEPFEPLE PGKVRMYCCG ITVYDYCHLG HARTCLVWDV VRRYLQWRGY
     QVQYIQNFTD IDDKILNRAR KEGTSMEDVS ERFIKAYFED MDRLHIQKAD AYPRATHTLD
     GIKRLVYELE QKGYAYPADG DVYYSVRSFS DYGKLSGRKL EDLQAGASGR VDLEDSESQK
     KKDPFDFALW KAAKPGEPSW ESPWGLGRPG WHIECSAMVR ERLGETIDIH VGGSDLIFPH
     HENEIAQSEA ATGKPLARYW MHNGMVKVGG EKMSKSLGNF TTIRDLLAQF DPMAVRLFIL
     QTHYRNPLDF TPKALEAATN GWQTLQEGLL FGYLFGEKLG WDQLSSNSSV REDNPLVQQF
     QDAVDDDFNF AGGLAVLFEI AKDLRKEGNI LVHQEKTETS PEKLKEQWQT LVQLSQVLGL
     EAHPPQVHRE TTDGLTDAEI ETLIEQRTQA RKAKNFAEGD RIRDDLKAKG ITLIDQSGGI
     TKWHRS