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SYC_NANEQ
ID   SYC_NANEQ               Reviewed;         457 AA.
AC   Q74MI1;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 98.
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=NEQ055;
OS   Nanoarchaeum equitans (strain Kin4-M).
OC   Archaea; Nanoarchaeota; Candidatus Nanoarchaeia; Nanoarchaeales;
OC   Nanoarchaeaceae; Nanoarchaeum.
OX   NCBI_TaxID=228908;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Kin4-M;
RX   PubMed=14566062; DOI=10.1073/pnas.1735403100;
RA   Waters E., Hohn M.J., Ahel I., Graham D.E., Adams M.D., Barnstead M.,
RA   Beeson K.Y., Bibbs L., Bolanos R., Keller M., Kretz K., Lin X., Mathur E.,
RA   Ni J., Podar M., Richardson T., Sutton G.G., Simon M., Soell D.,
RA   Stetter K.O., Short J.M., Noorderwier M.;
RT   "The genome of Nanoarchaeum equitans: insights into early archaeal
RT   evolution and derived parasitism.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:12984-12988(2003).
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   -!- 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; AE017199; AAR38910.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q74MI1; -.
DR   SMR; Q74MI1; -.
DR   STRING; 228908.NEQ055; -.
DR   EnsemblBacteria; AAR38910; AAR38910; NEQ055.
DR   KEGG; neq:NEQ055; -.
DR   PATRIC; fig|228908.8.peg.55; -.
DR   HOGENOM; CLU_013528_0_1_2; -.
DR   OMA; AKYWMHN; -.
DR   Proteomes; UP000000578; 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; 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; 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..457
FT                   /note="Cysteine--tRNA ligase"
FT                   /id="PRO_0000159539"
FT   MOTIF           30..40
FT                   /note="'HIGH' region"
FT   MOTIF           265..269
FT                   /note="'KMSKS' region"
FT   BINDING         28
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
FT   BINDING         207
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
FT   BINDING         232
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
FT   BINDING         236
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
FT   BINDING         268
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00041"
SQ   SEQUENCE   457 AA;  54489 MW;  BA8F3B9D2AC64E97 CRC64;
     MLYLYNTLTS RKEAFIPLEE PFVKMYTCGV TPYDKAHVGH LRTYLVTDLL RRILRFLGYY
     DIAVTNFTDI DDKIIKKSQE LNKDWKEIVE ENIKYVFDVL KELKVLPFYV YPRVTYHIDD
     IANAVKSLLD RGYAYKGKYS IYFDVDKYPY YGQLSGIKSK KEWEQEKHLL EDKKNPYDFA
     LWKFKQPGEP YWNTIVGEGR PGWHIECSVM SSKYLGERFD IHLGGSDLIF PHHENEIAQS
     ETLYNVHPWV RYWVHIGMVQ INGEKMSKSL GNIIEAKEFI KKYKPEFVRF FLLSTHYRKP
     LDISEENIEQ AQTIYKKLTD AYNTAKSIVE NEVSYRFDKD VRIILDYYRE MIKAFLDDMN
     TPTAIASLNK IVSIFNQNPE YPIAYLTLRA FEDFNRIMNV WFEKPIDLDI INEIIEIRNM
     LRREKQYELA DKIRDILQKK GIKIKDYKDK TVWYADI
 
 
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