ID F6BEL7_METIK Unreviewed; 435 AA.
AC F6BEL7;
DT 27-JUL-2011, integrated into UniProtKB/TrEMBL.
DT 27-JUL-2011, sequence version 1.
DT 27-MAR-2024, entry version 58.
DE RecName: Full=O-phosphoseryl-tRNA(Sec) selenium transferase {ECO:0000256|ARBA:ARBA00021963, ECO:0000256|PIRNR:PIRNR017689};
DE EC=2.9.1.2 {ECO:0000256|ARBA:ARBA00012464, ECO:0000256|PIRNR:PIRNR017689};
DE AltName: Full=Selenocysteine synthase {ECO:0000256|ARBA:ARBA00030669, ECO:0000256|PIRNR:PIRNR017689};
DE AltName: Full=Selenocysteinyl-tRNA(Sec) synthase {ECO:0000256|ARBA:ARBA00032048, ECO:0000256|PIRNR:PIRNR017689};
DE AltName: Full=Sep-tRNA:Sec-tRNA synthase {ECO:0000256|ARBA:ARBA00032693, ECO:0000256|PIRNR:PIRNR017689};
GN OrderedLocusNames=Metig_1277 {ECO:0000313|EMBL:AEF96814.1};
OS Methanotorris igneus (strain DSM 5666 / JCM 11834 / Kol 5).
OC Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC Methanocaldococcaceae; Methanotorris.
OX NCBI_TaxID=880724 {ECO:0000313|Proteomes:UP000009227};
RN [1] {ECO:0000313|EMBL:AEF96814.1, ECO:0000313|Proteomes:UP000009227}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 5666 / JCM 11834 / Kol 5
RC {ECO:0000313|Proteomes:UP000009227};
RG US DOE Joint Genome Institute;
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Mikhailova N., Chertkov O., Han C., Tapia R., Land M.,
RA Hauser L., Kyrpides N., Ivanova N., Pagani I., Sieprawska-Lupa M.,
RA Whitman W., Woyke T.;
RT "Complete sequence of Methanotorris igneus Kol 5.";
RL Submitted (MAY-2011) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Converts O-phosphoseryl-tRNA(Sec) to selenocysteinyl-
CC tRNA(Sec) required for selenoprotein biosynthesis.
CC {ECO:0000256|ARBA:ARBA00002552, ECO:0000256|PIRNR:PIRNR017689}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + O-phospho-L-seryl-tRNA(Sec) + selenophosphate = L-
CC selenocysteinyl-tRNA(Sec) + 2 phosphate; Xref=Rhea:RHEA:25041,
CC Rhea:RHEA-COMP:9743, Rhea:RHEA-COMP:9947, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:16144, ChEBI:CHEBI:43474, ChEBI:CHEBI:78551,
CC ChEBI:CHEBI:78573; EC=2.9.1.2;
CC Evidence={ECO:0000256|ARBA:ARBA00001746,
CC ECO:0000256|PIRNR:PIRNR017689};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|PIRNR:PIRNR017689, ECO:0000256|PIRSR:PIRSR017689-50};
CC -!- PATHWAY: Aminoacyl-tRNA biosynthesis; selenocysteinyl-tRNA(Sec)
CC biosynthesis; selenocysteinyl-tRNA(Sec) from L-seryl-tRNA(Sec)
CC (archaeal/eukaryal route): step 2/2. {ECO:0000256|ARBA:ARBA00004822,
CC ECO:0000256|PIRNR:PIRNR017689}.
CC -!- SIMILARITY: Belongs to the SepSecS family.
CC {ECO:0000256|ARBA:ARBA00007037, ECO:0000256|PIRNR:PIRNR017689}.
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DR EMBL; CP002737; AEF96814.1; -; Genomic_DNA.
DR RefSeq; WP_013799412.1; NC_015562.1.
DR AlphaFoldDB; F6BEL7; -.
DR STRING; 880724.Metig_1277; -.
DR GeneID; 10644140; -.
DR KEGG; mig:Metig_1277; -.
DR HOGENOM; CLU_022508_0_0_2; -.
DR OrthoDB; 64344at2157; -.
DR UniPathway; UPA00906; UER00898.
DR Proteomes; UP000009227; Chromosome.
DR GO; GO:0098621; F:O-phosphoseryl-tRNA(Sec) selenium transferase activity; IEA:UniProtKB-EC.
DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0001717; P:conversion of seryl-tRNAsec to selenocys-tRNAsec; IEA:UniProtKB-UniRule.
DR GO; GO:0006412; P:translation; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 1.
DR InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR InterPro; IPR019872; Sec-tRNA_Se_transferase.
DR InterPro; IPR008829; SepSecS/SepCysS.
DR NCBIfam; TIGR03531; selenium_SpcS; 1.
DR PANTHER; PTHR12944:SF2; O-PHOSPHOSERYL-TRNA(SEC) SELENIUM TRANSFERASE; 1.
DR PANTHER; PTHR12944; SOLUBLE LIVER ANTIGEN/LIVER PANCREAS ANTIGEN; 1.
DR Pfam; PF05889; SepSecS; 1.
DR PIRSF; PIRSF017689; SepSecS; 1.
DR SUPFAM; SSF53383; PLP-dependent transferases; 1.
PE 3: Inferred from homology;
KW Protein biosynthesis {ECO:0000256|PIRNR:PIRNR017689};
KW Pyridoxal phosphate {ECO:0000256|PIRNR:PIRNR017689,
KW ECO:0000256|PIRSR:PIRSR017689-50};
KW Reference proteome {ECO:0000313|Proteomes:UP000009227};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|PIRNR:PIRNR017689};
KW Selenium {ECO:0000256|PIRNR:PIRNR017689};
KW Transferase {ECO:0000256|PIRNR:PIRNR017689, ECO:0000313|EMBL:AEF96814.1};
KW tRNA-binding {ECO:0000256|ARBA:ARBA00022555,
KW ECO:0000256|PIRNR:PIRNR017689}.
FT BINDING 72
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|PIRSR:PIRSR017689-1"
FT BINDING 94
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR017689-1"
FT BINDING 95
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR017689-1"
FT BINDING 102
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR017689-1"
FT BINDING 266
FT /ligand="tRNA"
FT /ligand_id="ChEBI:CHEBI:17843"
FT /evidence="ECO:0000256|PIRSR:PIRSR017689-1"
FT BINDING 307
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR017689-1"
FT SITE 71
FT /note="May act as a substrate filter by repelling compounds
FT with a negatively charged alpha-carboxylate"
FT /evidence="ECO:0000256|PIRSR:PIRSR017689-50"
FT MOD_RES 278
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR017689-50"
SQ SEQUENCE 435 AA; 48574 MW; 7F928DD8FEF2CD36 CRC64;
MLDLNFTGLI PSNMEKRGEL TLKDNLAIIE EIFNQRKIPK EGLDDDKIKL LLKILSLMDT
DKDPKVIQIG EREARIASKI QNELVGGFCH GIGRSGNLID AQPKAPGASI MYALTNKILE
SFLKNLGLKV NAIATPVATG MSLALCLSAA RKKYHSNVVI YPYASHKSPI KATSFIGMRM
RLVETKLYGD AVRVDVSDIE DAIKKEIKEN NNPCVLSTLT FFPPRESDDI VEISKICEEF
SIPHIINGAY AIQNNFYIDK LKKAFKHRVD AVVSSSDKNL FTPIGGGIIY SRDREFLREV
SLCYPGRACA TPVVNILVSL LSLGMNKYLD LMKKQKESKK LLDDLLNELA KKKEEKVLNV
KNPISSCITT KKDPVDVAAK LYNLRITGPR GIRKNDKFGT CYLGEYPYDY IVVNSAIGVK
NEDIMQVVEK LEKVL
//
