SELA_MARSD
ID SELA_MARSD Reviewed; 465 AA.
AC C6BW42;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-SEP-2009, sequence version 1.
DT 25-MAY-2022, entry version 66.
DE RecName: Full=L-seryl-tRNA(Sec) selenium transferase {ECO:0000255|HAMAP-Rule:MF_00423};
DE EC=2.9.1.1 {ECO:0000255|HAMAP-Rule:MF_00423};
DE AltName: Full=Selenocysteine synthase {ECO:0000255|HAMAP-Rule:MF_00423};
DE Short=Sec synthase {ECO:0000255|HAMAP-Rule:MF_00423};
DE AltName: Full=Selenocysteinyl-tRNA(Sec) synthase {ECO:0000255|HAMAP-Rule:MF_00423};
GN Name=selA {ECO:0000255|HAMAP-Rule:MF_00423}; OrderedLocusNames=Desal_2187;
OS Maridesulfovibrio salexigens (strain ATCC 14822 / DSM 2638 / NCIMB 8403 /
OS VKM B-1763) (Desulfovibrio salexigens).
OC Bacteria; Proteobacteria; Deltaproteobacteria; Desulfovibrionales;
OC Desulfovibrionaceae; Maridesulfovibrio.
OX NCBI_TaxID=526222;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 14822 / DSM 2638 / NCIMB 8403 / VKM B-1763;
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Tice H., Bruce D.,
RA Goodwin L., Pitluck S., Munk A.C., Brettin T., Detter J.C., Han C.,
RA Tapia R., Larimer F., Land M., Hauser L., Kyrpides N., Anderson I.,
RA Wall J.D., Arkin A.P., Dehal P., Chivian D., Giles B., Hazen T.C.;
RT "Complete sequence of Desulfovibrio salexigens DSM 2638.";
RL Submitted (JUN-2009) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Converts seryl-tRNA(Sec) to selenocysteinyl-tRNA(Sec)
CC required for selenoprotein biosynthesis. {ECO:0000255|HAMAP-
CC Rule:MF_00423}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H(+) + L-seryl-tRNA(Sec) + selenophosphate = L-
CC selenocysteinyl-tRNA(Sec) + phosphate; Xref=Rhea:RHEA:22728,
CC Rhea:RHEA-COMP:9742, Rhea:RHEA-COMP:9743, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16144, ChEBI:CHEBI:43474, ChEBI:CHEBI:78533,
CC ChEBI:CHEBI:78573; EC=2.9.1.1; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00423};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00423};
CC -!- PATHWAY: Aminoacyl-tRNA biosynthesis; selenocysteinyl-tRNA(Sec)
CC biosynthesis; selenocysteinyl-tRNA(Sec) from L-seryl-tRNA(Sec)
CC (bacterial route): step 1/1. {ECO:0000255|HAMAP-Rule:MF_00423}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00423}.
CC -!- SIMILARITY: Belongs to the SelA family. {ECO:0000255|HAMAP-
CC Rule:MF_00423}.
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DR EMBL; CP001649; ACS80245.1; -; Genomic_DNA.
DR RefSeq; WP_015852061.1; NC_012881.1.
DR AlphaFoldDB; C6BW42; -.
DR SMR; C6BW42; -.
DR STRING; 526222.Desal_2187; -.
DR EnsemblBacteria; ACS80245; ACS80245; Desal_2187.
DR KEGG; dsa:Desal_2187; -.
DR eggNOG; COG1921; Bacteria.
DR HOGENOM; CLU_038142_1_0_7; -.
DR OMA; GATNRTH; -.
DR OrthoDB; 1124266at2; -.
DR UniPathway; UPA00906; UER00896.
DR Proteomes; UP000002601; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004125; F:L-seryl-tRNASec selenium transferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0001514; P:selenocysteine incorporation; IEA:UniProtKB-UniRule.
DR GO; GO:0097056; P:selenocysteinyl-tRNA(Sec) biosynthetic process; IEA:UniProtKB-UniPathway.
DR Gene3D; 3.40.640.10; -; 1.
DR HAMAP; MF_00423; SelA; 1.
DR InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR InterPro; IPR018319; SelA-like.
DR InterPro; IPR004534; SelA_trans.
DR InterPro; IPR025862; SelA_trans_N_dom.
DR Pfam; PF12390; Se-cys_synth_N; 1.
DR Pfam; PF03841; SelA; 1.
DR SUPFAM; SSF53383; SSF53383; 1.
DR TIGRFAMs; TIGR00474; selA; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Protein biosynthesis; Pyridoxal phosphate; Reference proteome;
KW Selenium; Transferase.
FT CHAIN 1..465
FT /note="L-seryl-tRNA(Sec) selenium transferase"
FT /id="PRO_1000206056"
FT MOD_RES 294
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00423"
SQ SEQUENCE 465 AA; 50841 MW; 03920ADA1EA174B0 CRC64;
MSNLFKYLPS VDSVLTRLEE EGVIDGLPRT LSRDLVNGFL DVCREEIKGG IITEEKQLSP
DVLFPRLTCH VRAGAKPHFR RVLNGTGVVV HTNLGRSLLA ESAVKAVTEA CACYSNLEFD
LKTGERGSRY SHVEKLICEI TGAEAALVVN NNASAVLITL ETLAKGREAI VSRGQLVEIG
GSFRIPDVMT KSGAFLREVG ATNRTHLHDY ENAINEETAL LMKVHTSNFR VIGFTKEVSG
GELAELGRKH DLPVYEDLGS GNLTNFSGLG LMREPTVQEV VAEDVDVVSF SGDKVLGGPQ
AGIIVGKKKY IDAIKKNPLN RAVRIDKMTL AALEATLRLY LDPETAKREV PTVRMITEKP
ENLKKQAQAL ARTLRRELGE TANIGVREGV SRVGGGAFPE QDLKTFLVTV VPSAKVTVEE
LKEGLLSTEP PLVGRIEEDA FCLDPRTLTR EEYKLCAEAI NQILE