ID   SPSS_METM5              Reviewed;         380 AA.
AC   A4FWT8;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   17-APR-2007, sequence version 1.
DT   03-AUG-2022, entry version 77.
DE   RecName: Full=O-phospho-L-seryl-tRNA:Cys-tRNA synthase {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 {ECO:0000255|HAMAP-Rule:MF_01675};
DE            Short=SepCysS {ECO:0000255|HAMAP-Rule:MF_01675};
GN   OrderedLocusNames=MmarC5_0351;
OS   Methanococcus maripaludis (strain C5 / ATCC BAA-1333).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanococcaceae; Methanococcus.
OX   NCBI_TaxID=402880;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=C5 / ATCC BAA-1333;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Chertkov O., Brettin T., Bruce D., Han C.,
RA   Detter J.C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Mikhailova N., Sieprawska-Lupa M., Whitman W.B., Richardson P.;
RT   "Complete sequence of chromosome of Methanococcus maripaludis C5.";
RL   Submitted (MAR-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000609; ABO34667.1; -; Genomic_DNA.
DR   RefSeq; WP_011868122.1; NC_009135.1.
DR   AlphaFoldDB; A4FWT8; -.
DR   SMR; A4FWT8; -.
DR   STRING; 402880.MmarC5_0351; -.
DR   PRIDE; A4FWT8; -.
DR   EnsemblBacteria; ABO34667; ABO34667; MmarC5_0351.
DR   GeneID; 4929094; -.
DR   KEGG; mmq:MmarC5_0351; -.
DR   eggNOG; arCOG00091; Archaea.
DR   HOGENOM; CLU_060476_0_0_2; -.
DR   OMA; HKSMAAS; -.
DR   OrthoDB; 24071at2157; -.
DR   BRENDA; 2.5.1.73; 3262.
DR   Proteomes; UP000000253; 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; Transferase.
FT   CHAIN           1..380
FT                   /note="O-phospho-L-seryl-tRNA:Cys-tRNA synthase"
FT                   /id="PRO_0000359449"
FT   BINDING         86..87
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01675"
FT   BINDING         192
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01675"
FT   BINDING         215..217
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01675"
FT   MOD_RES         218
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01675"
SQ   SEQUENCE   380 AA;  43395 MW;  61852827440F0C81 CRC64;
     MEINTDKYKN ITRNLEREMI NLNPIQRGGI LPTESKKIIY EYWDGYSVCD YCSGRLDRIE
     TPPINEFLED MSKFLGMDIT RPTHGARESK YAVMNSICKE GDYVVLDGNA HYTSYVAIER
     AKLNYEKTDI GEYPTFRVIP ESYAEKIDML EDSKKNIGLI LLTHVDGNYG NVADVEKVGK
     IAKSKGYPFL LNCAYSAGRM PIDGKKLNVD FIAASGHKSM AASGPCGLLS INKKYEDEVL
     ETSKVNVVKE LQMLGCTSRG IPILSLMASF ERLIERVKKW DLELEKTRKV VNELEPLGFK
     QIGEKPRNHD IIRFETPILD EIAEKDKRRG FFFYEELKRR GLGGIRRGVT KEFKMSVYGL
     TNTQVDYVIN SMKTIINELR