ID A0A1E4K1G9_9PROT Unreviewed; 469 AA.
AC A0A1E4K1G9;
DT 18-JAN-2017, integrated into UniProtKB/TrEMBL.
DT 18-JAN-2017, sequence version 1.
DT 24-JAN-2024, entry version 22.
DE RecName: Full=L-seryl-tRNA(Sec) selenium transferase {ECO:0000256|HAMAP-Rule:MF_00423};
DE EC=2.9.1.1 {ECO:0000256|HAMAP-Rule:MF_00423};
DE AltName: Full=Selenocysteine synthase {ECO:0000256|HAMAP-Rule:MF_00423};
DE Short=Sec synthase {ECO:0000256|HAMAP-Rule:MF_00423};
DE AltName: Full=Selenocysteinyl-tRNA(Sec) synthase {ECO:0000256|HAMAP-Rule:MF_00423};
GN Name=selA {ECO:0000256|HAMAP-Rule:MF_00423};
GN ORFNames=ABS92_16085 {ECO:0000313|EMBL:ODU32929.1};
OS Thiobacillus sp. SCN 63-374.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Nitrosomonadales;
OC Thiobacillaceae; Thiobacillus.
OX NCBI_TaxID=1660149 {ECO:0000313|EMBL:ODU32929.1, ECO:0000313|Proteomes:UP000094238};
RN [1] {ECO:0000313|EMBL:ODU32929.1, ECO:0000313|Proteomes:UP000094238}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=26031303; DOI=10.1111/1462-2920.12936;
RA Kantor R.S., van Zyl A.W., van Hille R.P., Thomas B.C., Harrison S.T.,
RA Banfield J.F.;
RT "Bioreactor microbial ecosystems for thiocyanate and cyanide degradation
RT unravelled with genome-resolved metagenomics.";
RL Environ. Microbiol. 17:4929-4941(2015).
CC -!- FUNCTION: Converts seryl-tRNA(Sec) to selenocysteinyl-tRNA(Sec)
CC required for selenoprotein biosynthesis. {ECO:0000256|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:0000256|HAMAP-
CC Rule:MF_00423};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|HAMAP-Rule:MF_00423, ECO:0000256|PIRSR:PIRSR618319-50};
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:0000256|HAMAP-Rule:MF_00423}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00423}.
CC -!- SIMILARITY: Belongs to the SelA family. {ECO:0000256|HAMAP-
CC Rule:MF_00423}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:ODU32929.1}.
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DR EMBL; MEFK01000291; ODU32929.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1E4K1G9; -.
DR UniPathway; UPA00906; UER00896.
DR Proteomes; UP000094238; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004125; F:L-seryl-tRNA(Sec) selenium transferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0001514; P:selenocysteine incorporation; IEA:UniProtKB-UniRule.
DR Gene3D; 3.90.1150.180; -; 1.
DR Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 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 NCBIfam; TIGR00474; selA; 1.
DR PANTHER; PTHR32328; L-SERYL-TRNA(SEC) SELENIUM TRANSFERASE; 1.
DR PANTHER; PTHR32328:SF0; L-SERYL-TRNA(SEC) SELENIUM TRANSFERASE; 1.
DR Pfam; PF12390; Se-cys_synth_N; 1.
DR Pfam; PF03841; SelA; 1.
DR SUPFAM; SSF53383; PLP-dependent transferases; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00423};
KW Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917, ECO:0000256|HAMAP-
KW Rule:MF_00423};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW Rule:MF_00423};
KW Selenium {ECO:0000256|ARBA:ARBA00023266, ECO:0000256|HAMAP-Rule:MF_00423};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_00423, ECO:0000313|EMBL:ODU32929.1}.
FT DOMAIN 9..45
FT /note="L-seryl-tRNA selenium transferase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF12390"
FT MOD_RES 292
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00423,
FT ECO:0000256|PIRSR:PIRSR618319-50"
SQ SEQUENCE 469 AA; 50082 MW; FB1D17F2746261B0 CRC64;
MHSAPHLRPP SVDRILNWSA VAPLIAEYGR EPVLAGARSV LDSARQATRD GARADYTEPT
LTAHLAAHLA QRNAPRLQRV FNLTGTVLHT NLGRATLPEE AVDALIMAAR HPCALEYDLE
SGGRGDRDDV VEGVLCELTG AEAATVVNNN AAAVFLLLNT LAMRKQVIVS RGELVEIGGA
FRVPDIMSRA GARLVEVGTT NRTHLRDFES AIGPRSAMLM KVHTSNYAIQ GFTASVPEAE
LAALSHASGL PFVVDLGSGT LTDLARFGLP REPTPQDSIA DGADLVSFSG DKLLGGPQAG
ILVGSRELIR RIKKNPLKRA LRIGKLTLAS LEAVLRLYRD PDRLPERLTA LRLLTRPQSE
IRAQAERLLP ALQGALAGWP VGVTVEPALS QIGSGSLPVD RLDSWALAVK PSTRKTGVLH
DIEAVLRGLP VPVIGRIADG ALRLDLRCLA PGDEADFAAQ FAQLIPDSP
//
