ID   SPSS1_METBU             Reviewed;         459 AA.
AC   Q12XS4;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   22-AUG-2006, sequence version 1.
DT   03-AUG-2022, entry version 79.
DE   RecName: Full=O-phospho-L-seryl-tRNA:Cys-tRNA synthase 1 {ECO:0000255|HAMAP-Rule:MF_01675};
DE            EC=2.5.1.73 {ECO:0000255|HAMAP-Rule:MF_01675};
DE   AltName: Full=Sep-tRNA:Cys-tRNA synthase 1 {ECO:0000255|HAMAP-Rule:MF_01675};
DE            Short=SepCysS 1 {ECO:0000255|HAMAP-Rule:MF_01675};
GN   OrderedLocusNames=Mbur_0796;
OS   Methanococcoides burtonii (strain DSM 6242 / NBRC 107633 / OCM 468 /
OS   ACE-M).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanococcoides.
OX   NCBI_TaxID=259564;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 6242 / NBRC 107633 / OCM 468 / ACE-M;
RX   PubMed=19404327; DOI=10.1038/ismej.2009.45;
RA   Allen M.A., Lauro F.M., Williams T.J., Burg D., Siddiqui K.S.,
RA   De Francisci D., Chong K.W., Pilak O., Chew H.H., De Maere M.Z., Ting L.,
RA   Katrib M., Ng C., Sowers K.R., Galperin M.Y., Anderson I.J., Ivanova N.,
RA   Dalin E., Martinez M., Lapidus A., Hauser L., Land M., Thomas T.,
RA   Cavicchioli R.;
RT   "The genome sequence of the psychrophilic archaeon, Methanococcoides
RT   burtonii: the role of genome evolution in cold adaptation.";
RL   ISME J. 3:1012-1035(2009).
CC   -!- FUNCTION: Converts O-phospho-L-seryl-tRNA(Cys) (Sep-tRNA(Cys)) to L-
CC       cysteinyl-tRNA(Cys) (Cys-tRNA(Cys)). {ECO:0000255|HAMAP-Rule:MF_01675}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H(+) + hydrogen sulfide + O-phospho-L-seryl-tRNA(Cys) = L-
CC         cysteinyl-tRNA(Cys) + phosphate; Xref=Rhea:RHEA:25686, Rhea:RHEA-
CC         COMP:9679, Rhea:RHEA-COMP:9719, ChEBI:CHEBI:15378, ChEBI:CHEBI:29919,
CC         ChEBI:CHEBI:43474, ChEBI:CHEBI:78517, ChEBI:CHEBI:78551; EC=2.5.1.73;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01675};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01675};
CC   -!- SUBUNIT: Homodimer. Interacts with SepRS. {ECO:0000255|HAMAP-
CC       Rule:MF_01675}.
CC   -!- SIMILARITY: Belongs to the SepCysS family. {ECO:0000255|HAMAP-
CC       Rule:MF_01675}.
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DR   EMBL; CP000300; ABE51752.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q12XS4; -.
DR   SMR; Q12XS4; -.
DR   STRING; 259564.Mbur_0796; -.
DR   EnsemblBacteria; ABE51752; ABE51752; Mbur_0796.
DR   KEGG; mbu:Mbur_0796; -.
DR   HOGENOM; CLU_060476_0_0_2; -.
DR   OMA; WKLNTYG; -.
DR   Proteomes; UP000001979; Chromosome.
DR   GO; GO:0043766; F:Sep-tRNA:Cys-tRNA synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006412; P:translation; IEA:UniProtKB-KW.
DR   Gene3D; 3.40.640.10; -; 1.
DR   Gene3D; 3.90.1150.10; -; 1.
DR   HAMAP; MF_01675; Sep_Cys_tRNA_synth; 1.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR   InterPro; IPR013375; Sep_Cys-tRNA_synth_arc.
DR   InterPro; IPR008829; SepSecS/SepCysS.
DR   PANTHER; PTHR43586:SF3; PTHR43586:SF3; 1.
DR   Pfam; PF05889; SepSecS; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
DR   TIGRFAMs; TIGR02539; SepCysS; 1.
PE   3: Inferred from homology;
KW   Protein biosynthesis; Pyridoxal phosphate; Reference proteome; Transferase.
FT   CHAIN           1..459
FT                   /note="O-phospho-L-seryl-tRNA:Cys-tRNA synthase 1"
FT                   /id="PRO_0000359445"
FT   BINDING         152..153
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01675"
FT   BINDING         257
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01675"
FT   BINDING         280..282
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01675"
FT   MOD_RES         283
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01675"
SQ   SEQUENCE   459 AA;  51229 MW;  20778F3D14B45E54 CRC64;
     MDEQMNKKYL ANKLFETQFA LEDLREIVRQ SLPTGMSNDQ SEHYDEIVSG LGGLLEDLGK
     KNGQTQPVKI VGDLMCRTRE EEFINIQPIQ AGGRLTPEAR KAVIAYGDGY STCDNCRKPF
     RLDKIEKPSI STFHTDLAEF VGMDQARVVP GARRGFQAVA SSIIEKGDTV VVSTFAHYTE
     FLAVEGAGGI VREAPVNEHN ILTAESVAHK IDEVKRETGK LPALIMIDHF DYLFCNEHDI
     YGIGKVAQEY GIPFLYNGAY TVGIMPVNGQ KIGADFVVGS GHKSMASAAP SGVLATTEEW
     ADKIFRTTQM VGDVTGRKFG IKEVEFLGCT LMGAPLLSMM ASFPHVKERT KHWDEEVKKS
     NYFINEFLRI EGNEVLSEFP RKHALSKVDT TGSFDKVAKT HKRKGYFFSD ELKKRGIAGE
     FPGATRSWKM STYGLSWDQI HYLSNSFIEI ADKYDININ