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SPSS_METM6
ID   SPSS_METM6              Reviewed;         380 AA.
AC   A9AA73;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   15-JAN-2008, sequence version 1.
DT   03-AUG-2022, entry version 71.
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=MmarC6_1433;
OS   Methanococcus maripaludis (strain C6 / ATCC BAA-1332).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanococcaceae; Methanococcus.
OX   NCBI_TaxID=444158;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=C6 / ATCC BAA-1332;
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., Clum A., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Mikhailova N., Sieprawska-Lupa M., Whitman W.B.,
RA   Richardson P.;
RT   "Complete sequence of Methanococcus maripaludis C6.";
RL   Submitted (OCT-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; CP000867; ABX02246.1; -; Genomic_DNA.
DR   RefSeq; WP_012194166.1; NC_009975.1.
DR   AlphaFoldDB; A9AA73; -.
DR   SMR; A9AA73; -.
DR   STRING; 444158.MmarC6_1433; -.
DR   EnsemblBacteria; ABX02246; ABX02246; MmarC6_1433.
DR   GeneID; 5737651; -.
DR   KEGG; mmx:MmarC6_1433; -.
DR   eggNOG; arCOG00091; Archaea.
DR   HOGENOM; CLU_060476_0_0_2; -.
DR   OMA; HKSMAAS; -.
DR   OrthoDB; 24071at2157; -.
DR   PhylomeDB; A9AA73; -.
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_0000359450"
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;  43252 MW;  FDCE146B9A9B75F4 CRC64;
     MEINTDKYKN ITRNLEREMI NLNPIQRGGI IPTESKKIIY EYWDGYSVCD YCSGRLDKIE
     TPPINEFLED MSKFLGMDIT RPTHGARESK YAVMNSVCKE GDYVVLDGNA HYTSYVALER
     AKLNYEKTDI EEYPTFRVIP ESYAEKIDML EDSKKNIGLI LLTHVDGNYG NVADVKKVGK
     IAKSKGYPFL LNCAYSAGRM PIDGKKLNVD FIAASGHKSM AASGPCGLLS INKSYEDEVL
     ETSKVNAVKE LQMLGCTSRG IPILSLMASF EHLIERVKQW DLEVEKTRKV VNELEPLGFN
     QIGEKPRNHD IIRFETPILD EIAEKDKRRG FFFYEELKKR GIGGIRRGVT KEFKMSVYGL
     TNSQVDYVIN SMKSIINELR
 
 
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