ID A0A1H1M1H8_9ACTN Unreviewed; 462 AA.
AC A0A1H1M1H8;
DT 18-JAN-2017, integrated into UniProtKB/TrEMBL.
DT 18-JAN-2017, sequence version 1.
DT 24-JAN-2024, entry version 27.
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=SAMN04489717_0620 {ECO:0000313|EMBL:SDR80165.1};
OS Actinopolymorpha singaporensis.
OC Bacteria; Actinomycetota; Actinomycetes; Propionibacteriales;
OC Actinopolymorphaceae; Actinopolymorpha.
OX NCBI_TaxID=117157 {ECO:0000313|EMBL:SDR80165.1, ECO:0000313|Proteomes:UP000198983};
RN [1] {ECO:0000313|EMBL:SDR80165.1, ECO:0000313|Proteomes:UP000198983}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 22024 {ECO:0000313|EMBL:SDR80165.1,
RC ECO:0000313|Proteomes:UP000198983};
RA de Groot N.N.;
RL Submitted (OCT-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; LT629732; SDR80165.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H1M1H8; -.
DR STRING; 117157.SAMN04489717_0620; -.
DR OrthoDB; 9787096at2; -.
DR UniPathway; UPA00906; UER00896.
DR Proteomes; UP000198983; Chromosome i.
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}; Reference proteome {ECO:0000313|Proteomes:UP000198983};
KW Selenium {ECO:0000256|ARBA:ARBA00023266, ECO:0000256|HAMAP-Rule:MF_00423};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_00423, ECO:0000313|EMBL:SDR80165.1}.
FT DOMAIN 5..44
FT /note="L-seryl-tRNA selenium transferase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF12390"
FT MOD_RES 281
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00423,
FT ECO:0000256|PIRSR:PIRSR618319-50"
SQ SEQUENCE 462 AA; 46813 MW; D9BEF5238CB27397 CRC64;
MTDARRRVPR TDVVLADPRL AEPARTLGRA AVKAAVVAAQ ERVRAGQVEP EALVDVVLAE
LPASATSLRR VVNATGVIVH TNLGRAPLSA AARDALDVAA GTTDVEYDLA TGARARRGRG
ALDALARAVP DAGGVHVVNN NAAALLLVAL TLAQGKEIVL SRGEFVEIGD GFRIPDLLAA
SGARLREVGT TNRTTRADYE AAIGPQTGFV LKIHPSNFVV SGFTAGVDVA SLADLGERLG
VPVVVDIGSG LLAPHPLLPD EPDAANALRA GATLVTASGD KLLGGPQAGL VLGVRDVVER
ARRHPAARAM RVDKLTLAAL EATLRGPAPP VRAALDADAA GLRGRADKLA AALAGAGIDA
TVVACRSAVG GGGAPEVELA SWGVGVPAAW AVPLRTGDPP VVGRVHEGRC VLDLRTVAAE
DDSVLADAVA RVAAGRVPGS VASTLSTLST LSTPASPSSS RN
//