SELA_DESAP
ID SELA_DESAP Reviewed; 473 AA.
AC B1I3P6;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 29-APR-2008, sequence version 1.
DT 25-MAY-2022, entry version 72.
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=Daud_1093;
OS Desulforudis audaxviator (strain MP104C).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Peptococcaceae;
OC Candidatus Desulforudis.
OX NCBI_TaxID=477974;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MP104C;
RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA Tice H., Bruce D., Pitluck S., Lowry S.R., Larimer F., Land M.L.,
RA Hauser L., Kyrpides N., Ivanova N.N., Richardson P.;
RT "Complete sequence of chromosome of Desulforudis audaxviator MP104C.";
RL Submitted (OCT-2007) 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; CP000860; ACA59605.1; -; Genomic_DNA.
DR AlphaFoldDB; B1I3P6; -.
DR SMR; B1I3P6; -.
DR STRING; 477974.Daud_1093; -.
DR EnsemblBacteria; ACA59605; ACA59605; Daud_1093.
DR KEGG; dau:Daud_1093; -.
DR eggNOG; COG1921; Bacteria.
DR HOGENOM; CLU_038142_1_0_9; -.
DR OMA; GATNRTH; -.
DR UniPathway; UPA00906; UER00896.
DR Proteomes; UP000008544; 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..473
FT /note="L-seryl-tRNA(Sec) selenium transferase"
FT /id="PRO_1000124136"
FT MOD_RES 300
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00423"
SQ SEQUENCE 473 AA; 51152 MW; 5E04C80885D866D9 CRC64;
MELNTGDVMR RLPAVDELLR EPELEMLLAE HPRALVVAAV REVLQQWRET VRAEPERVPG
SREELAAAIV QEVTITVRAK ARPALRRVIN ATGVVLHTNL GRAVLSDKAL RAVHEAAAHY
SNLEFNLETG RRGSRYALVE DLLKLLTGTE SCLVVNNNAA AVLLALSTLA AGREVIVSRG
QLVEIGGSFR IPEVMKQSGA RLVEVGATNK THLRDYRDAI TSETALLLHV HASNYRIVGF
THEVGLEELV ALGREHGLPV MSDLGSGFLV DLSRFGYPYE PTVQETAGAG VDVVTFSGDK
LLGGPQAGII VGRREVVDRM KKNPLTRAVR VDKMTLAALE ATLREYLDPE GALERIPTLR
MLSVGAVVLA EKARRLAGLL GAALGDRAEV GVEEDFSQVG GGALPTAQPK TVLVTVRPKA
LSLTELTARL RAADPAVVGR VQEERLCLDP RTIAEDEFVL LTGTLDRVLG VPQ