SELA_MANSM
ID SELA_MANSM Reviewed; 465 AA.
AC Q65Q15;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 25-OCT-2004, sequence version 1.
DT 25-MAY-2022, entry version 86.
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=MS2338;
OS Mannheimia succiniciproducens (strain MBEL55E).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Basfia.
OX NCBI_TaxID=221988;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MBEL55E;
RX PubMed=15378067; DOI=10.1038/nbt1010;
RA Hong S.H., Kim J.S., Lee S.Y., In Y.H., Choi S.S., Rih J.-K., Kim C.H.,
RA Jeong H., Hur C.G., Kim J.J.;
RT "The genome sequence of the capnophilic rumen bacterium Mannheimia
RT succiniciproducens.";
RL Nat. Biotechnol. 22:1275-1281(2004).
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; AE016827; AAU38945.1; -; Genomic_DNA.
DR RefSeq; WP_011201483.1; NC_006300.1.
DR AlphaFoldDB; Q65Q15; -.
DR SMR; Q65Q15; -.
DR STRING; 221988.MS2338; -.
DR EnsemblBacteria; AAU38945; AAU38945; MS2338.
DR KEGG; msu:MS2338; -.
DR eggNOG; COG1921; Bacteria.
DR HOGENOM; CLU_038142_1_0_6; -.
DR OMA; GATNRTH; -.
DR OrthoDB; 1124266at2; -.
DR UniPathway; UPA00906; UER00896.
DR Proteomes; UP000000607; 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; Selenium;
KW Transferase.
FT CHAIN 1..465
FT /note="L-seryl-tRNA(Sec) selenium transferase"
FT /id="PRO_1000050371"
FT MOD_RES 294
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00423"
SQ SEQUENCE 465 AA; 51558 MW; 24EDB6433F8EED31 CRC64;
MTALFQQLPS VDKILKTPQG EQLVTEFGHS AVVNCCRHLL AQAREKIKIE KKLPHFFTDF
NHTIAEVNRY LANQQQVKIK SVHNLTGTVL HTNLGRALWA QSAQQAALTA MRQNVALEYD
LEAGKRSHRD NYVSELLHEL TGAQAACVVN NNAAAVLLML ATFAQGKEVI ISRGELIEIG
GAFRIPDIMA QAGCKLVEVG TTNRTHLNDY RRAINENTAL LMKVHSSNYQ ICGFTCEVSE
QELVELGKEF NIPVVTDLGS GALTDLSRYD LPKEPTVQEK LVQGADLISF SGDKLLGGPQ
AGIIVGKKEL IQQLQSHPLK RVLRCDKVIL AAMEATLRLY LQPEKLTEKL TSLRLLTQPL
EQLRQQAEQL KAKLENLLKD DFLLQIESSL AQIGSGSQPM AKIPSIAVTI AEKNSEKLTA
LLARFKKLST PIIARVENDK IRLDLRSVTA IETLLITLEE LNQDQ