SELA_YERPG
ID SELA_YERPG Reviewed; 462 AA.
AC A9R4E4;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 05-FEB-2008, sequence version 1.
DT 25-MAY-2022, entry version 83.
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};
GN OrderedLocusNames=YpAngola_A3766;
OS Yersinia pestis bv. Antiqua (strain Angola).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Yersiniaceae; Yersinia.
OX NCBI_TaxID=349746;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Angola;
RX PubMed=20061468; DOI=10.1128/jb.01518-09;
RA Eppinger M., Worsham P.L., Nikolich M.P., Riley D.R., Sebastian Y., Mou S.,
RA Achtman M., Lindler L.E., Ravel J.;
RT "Genome sequence of the deep-rooted Yersinia pestis strain Angola reveals
RT new insights into the evolution and pangenome of the plague bacterium.";
RL J. Bacteriol. 192:1685-1699(2010).
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 -!- SUBUNIT: Homodecamer; pentamer of dimers. Binds only one seryl-
CC tRNA(Sec) per dimer. {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; CP000901; ABX85325.1; -; Genomic_DNA.
DR RefSeq; WP_012230118.1; NZ_CP009935.1.
DR AlphaFoldDB; A9R4E4; -.
DR SMR; A9R4E4; -.
DR KEGG; ypg:YpAngola_A3766; -.
DR PATRIC; fig|349746.12.peg.476; -.
DR OMA; GATNRTH; -.
DR UniPathway; UPA00906; UER00896.
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; Selenium;
KW Transferase.
FT CHAIN 1..462
FT /note="L-seryl-tRNA(Sec) selenium transferase"
FT /id="PRO_1000124160"
FT MOD_RES 294
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00423"
SQ SEQUENCE 462 AA; 50183 MW; 368CF7162E601AF7 CRC64;
MSAEAHPLYR QLPAIDRLLN EPEMAPLLAE YGPVLLADTL RQLQAEAREY IGQFHTLADW
CADWPAALRQ RLNQRQPALK PVFNLTGTVL HTNLGRAPLA ESAIAAVTDA MRSAVTLEYS
LEGAGRGHRD RAVADLLCAL TGAEDACIVN NNAAAVFLLL TVMAAGKQVV VSRGELVEIG
GAFRIPDVMR QAGCELVEVG TTNRTHLKDY RQAINENTGL LMKVHTSNYS IEGFTAAVSE
QQLAALGQEC SIPTATDLGS GSLVDMTRYG LPAEPMPQQL IAAGVDLVTF SGDKLLGGPQ
AGIILGKKQW IERLQQHPLK RALRADKMTL AALDATLRLY QQPDRLVEQL PSLRLLTRPA
SEIAACAQRL LAPLIACYGT DFTLDIESCW SQIGSGSLPV DRLPSWALTF TPKDGRGSTL
EALTARWRTL TKPVIGRVAD GRLWLDLRCL EDEAALLREL AS