ID A0A1M6PWY8_9FIRM Unreviewed; 476 AA.
AC A0A1M6PWY8;
DT 15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT 15-MAR-2017, sequence version 1.
DT 24-JAN-2024, entry version 26.
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=SAMN02745123_00766 {ECO:0000313|EMBL:SHK12485.1};
OS Desulforamulus aeronauticus DSM 10349.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Peptococcaceae;
OC Desulforamulus.
OX NCBI_TaxID=1121421 {ECO:0000313|EMBL:SHK12485.1, ECO:0000313|Proteomes:UP000183997};
RN [1] {ECO:0000313|EMBL:SHK12485.1, ECO:0000313|Proteomes:UP000183997}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 10349 {ECO:0000313|EMBL:SHK12485.1,
RC ECO:0000313|Proteomes:UP000183997};
RA Jaros S., Januszkiewicz K., Wedrychowicz H.;
RL Submitted (NOV-2016) to the EMBL/GenBank/DDBJ databases.
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}.
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DR EMBL; FRAR01000007; SHK12485.1; -; Genomic_DNA.
DR RefSeq; WP_072911071.1; NZ_FRAR01000007.1.
DR AlphaFoldDB; A0A1M6PWY8; -.
DR STRING; 1121421.SAMN02745123_00766; -.
DR OrthoDB; 9787096at2; -.
DR UniPathway; UPA00906; UER00896.
DR Proteomes; UP000183997; 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|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00423}.
FT DOMAIN 10..49
FT /note="L-seryl-tRNA selenium transferase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF12390"
FT MOD_RES 299
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00423,
FT ECO:0000256|PIRSR:PIRSR618319-50"
SQ SEQUENCE 476 AA; 51628 MW; D13DE6063E6AB66D CRC64;
MELPIDKSLL RSLPKVDDLM KNSIILNLLQ TRPRTVVVDA VRKTIEGLRQ EILSGSYTGS
PEDIYQLVVK KTSDLIAAET KPNLRRVINA TGVVLHTNLG RALMSYAARD AVDAVASSFC
NLEINLNTGR RGSRYEPVEE IITRLTGAEA ALVVNNNAAA VLLALGTMAK GKEVIVSRGQ
LVEIGGSFRI PEVMEQSGAM LVEVGATNKT HPHDYQKAIS EDTALLLHVH TSNYRIVGFT
RETTVNELVQ IGQSHQIPVM SDLGSGFLVD LAPYGLPQEP SVQEVVAAGA DVVTFSGDKL
LGGPQAGIIV GKRYWIEKMK KNPLTRAVRI NKFTVAALEA TLREYLDKDN VLENIPTLRM
LTEAPGALLK RAEELAAQLK AKVAYPAEVQ VISGTSQVGG GSMPTAELPT YLVTCMVQHL
SVEEMSAQLR LAEPAVVGRV QDNKYQVDLR TVQPEEVELL AEVIARVINS GEVSGR
//
