CPLM 1.0 - Compendium of Protein Lysine Modification
TagContent
CPLM ID CPLM-021695
UniProt Accession
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
 O-phosphoseryl-tRNA(Sec) selenium transferase 
Protein Synonyms/Alias
 Liver-pancreas antigen; LP; SLA-p35; SLA/LP autoantigen; Selenocysteine synthase; Sec synthase; Selenocysteinyl-tRNA(Sec) synthase; Sep-tRNA:Sec-tRNA synthase; SepSecS; Soluble liver antigen; SLA; UGA suppressor tRNA-associated protein; tRNA(Ser/Sec)-associated antigenic protein 
Gene Name
 SEPSECS 
Gene Synonyms/Alias
 TRNP48 
Created Date
 July 27, 2013 
Organism
 Homo sapiens (Human) 
NCBI Taxa ID
 9606 
Lysine Modification
Position
Peptide
Type
References
173IWPRIDQKSCFKSMIubiquitination[1]
203DELRTDLKAVEAKVQubiquitination[1]
208DLKAVEAKVQELGPDubiquitination[1]
Reference
 [1] Refined preparation and use of anti-diglycine remnant (K-ε-GG) antibody enables routine quantification of 10,000s of ubiquitination sites in single proteomics experiments.
 Udeshi ND, Svinkina T, Mertins P, Kuhn E, Mani DR, Qiao JW, Carr SA.
 Mol Cell Proteomics. 2013 Mar;12(3):825-31. [PMID: 23266961
Functional Description
 Converts O-phosphoseryl-tRNA(Sec) to selenocysteinyl- tRNA(Sec) required for selenoprotein biosynthesis. 
Sequence Annotation
 REGION 1 44 Tetramerization.
 REGION 96 106 Phosphate loop (P-loop).
 REGION 474 493 SLA/LP epitope.
 BINDING 75 75 PLP (By similarity).
 BINDING 97 97 Substrate.
 BINDING 98 98 Substrate.
 BINDING 105 105 Substrate.
 BINDING 271 271 tRNA variable arm.
 BINDING 313 313 Substrate.
 BINDING 398 398 tRNA discriminator base.
 BINDING 463 463 tRNA acceptor arm.
 MOD_RES 284 284 N6-(pyridoxal phosphate)lysine.  
Keyword
 3D-structure; Alternative splicing; Complete proteome; Cytoplasm; Disease mutation; Protein biosynthesis; Pyridoxal phosphate; Reference proteome; RNA-binding; Selenium; Transferase; tRNA-binding. 
Sequence Source
 UniProt (SWISSPROT/TrEMBL); GenBank; EMBL 
Protein Length
 501 AA 
Protein Sequence
MNRESFAAGE RLVSPAYVRQ GCEARRSHEH LIRLLLEKGK CPENGWDEST LELFLHELAI 60
MDSNNFLGNC GVGEREGRVA SALVARRHYR FIHGIGRSGD ISAVQPKAAG SSLLNKITNS 120
LVLDIIKLAG VHTVANCFVV PMATGMSLTL CFLTLRHKRP KAKYIIWPRI DQKSCFKSMI 180
TAGFEPVVIE NVLEGDELRT DLKAVEAKVQ ELGPDCILCI HSTTSCFAPR VPDRLEELAV 240
ICANYDIPHI VNNAYGVQSS KCMHLIQQGA RVGRIDAFVQ SLDKNFMVPV GGAIIAGFND 300
SFIQEISKMY PGRASASPSL DVLITLLSLG SNGYKKLLKE RKEMFSYLSN QIKKLSEAYN 360
ERLLHTPHNP ISLAMTLKTL DEHRDKAVTQ LGSMLFTRQV SGARVVPLGS MQTVSGYTFR 420
GFMSHTNNYP CAYLNAASAI GMKMQDVDLF IKRLDRCLKA VRKERSKESD DNYDKTEDVD 480
IEEMALKLDN VLLDTYQDAS S 501 
Gene Ontology
 GO:0005737; C:cytoplasm; ISS:HGNC.
 GO:0005634; C:nucleus; ISS:HGNC.
 GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
 GO:0016785; F:transferase activity, transferring selenium-containing groups; IEA:InterPro.
 GO:0000049; F:tRNA binding; ISS:HGNC.
 GO:0001514; P:selenocysteine incorporation; ISS:HGNC.
 GO:0097056; P:selenocysteinyl-tRNA(Sec) biosynthetic process; IEA:UniProtKB-UniPathway. 
Interpro
 IPR019793; Peroxidases_heam-ligand_BS.
 IPR015424; PyrdxlP-dep_Trfase.
 IPR015421; PyrdxlP-dep_Trfase_major_sub1.
 IPR019872; Sec-tRNA_Se_transferase.
 IPR008829; SLA/LP_auto_ag. 
Pfam
 PF05889; SLA_LP_auto_ag 
SMART
  
PROSITE
  
PRINTS