SELA_ACTP2
ID SELA_ACTP2 Reviewed; 461 AA.
AC A3N2L0;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 03-APR-2007, sequence version 1.
DT 03-AUG-2022, entry version 90.
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=APL_1562;
OS Actinobacillus pleuropneumoniae serotype 5b (strain L20).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Actinobacillus.
OX NCBI_TaxID=416269;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=L20;
RX PubMed=18065534; DOI=10.1128/jb.01845-07;
RA Foote S.J., Bosse J.T., Bouevitch A.B., Langford P.R., Young N.M.,
RA Nash J.H.E.;
RT "The complete genome sequence of Actinobacillus pleuropneumoniae L20
RT (serotype 5b).";
RL J. Bacteriol. 190:1495-1496(2008).
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; CP000569; ABN74646.1; -; Genomic_DNA.
DR RefSeq; WP_009874568.1; NC_009053.1.
DR AlphaFoldDB; A3N2L0; -.
DR SMR; A3N2L0; -.
DR STRING; 416269.APL_1562; -.
DR EnsemblBacteria; ABN74646; ABN74646; APL_1562.
DR KEGG; apl:APL_1562; -.
DR PATRIC; fig|416269.6.peg.1626; -.
DR eggNOG; COG1921; Bacteria.
DR HOGENOM; CLU_038142_1_0_6; -.
DR OMA; GATNRTH; -.
DR UniPathway; UPA00906; UER00896.
DR Proteomes; UP000001432; 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 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..461
FT /note="L-seryl-tRNA(Sec) selenium transferase"
FT /id="PRO_1000050354"
FT MOD_RES 294
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00423"
SQ SEQUENCE 461 AA; 51093 MW; 622127F1931B95E6 CRC64;
MQKLFRTIPA IDKLMKKPQG IDLIERFGHQ AFVQEARILI ENAREQIIKQ QCLPAFMNEQ
SSIFSLIEQN LQKKRMVSSK TVFNLTGTVL HTNLGRGLWS ENAITAATNA MRNNVALEFD
IDEGKRSHRD IYISQLIQQL TGAEAACIVN NNAAAVLLML ATFAQGKEVI VSRGELVEIG
GAFRIPDIMA QAGCKLVEVG TTNRTHLRDY RNAINENTAF LMKVHTSNYH IQGFTKSVSE
EELVELAKEF DLPVISDLGS GSLTDMAVLG LPAEPMVQQK VAAGVDLVSF SCDKLLGGPQ
AGIIVGKKAL IDGLQSHPLK RVLRCDKVIL SALEATLRHY LFPEKLTDEV PTFQLLTQSI
ETLQNKAERL KAVLNKRLDS RYILQVEPSL AQIGSGSLPT ETLASVAVTV FAEKQSDLLE
LEKRFKALPS PIIGRFAQQK FWLDVRSAAQ FEQLLNMLEE A