CPLM 1.0 - Compendium of Protein Lysine Modification
TagContent
CPLM ID CPLM-002627
UniProt Accession
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
 Signal recognition particle receptor subunit alpha 
Protein Synonyms/Alias
 SR-alpha; Docking protein alpha; DP-alpha 
Gene Name
 SRPR 
Gene Synonyms/Alias
  
Created Date
 July 27, 2013 
Organism
 Homo sapiens (Human) 
NCBI Taxa ID
 9606 
Lysine Modification
Position
Peptide
Type
References
492TMVQLFEKGYGKDAAubiquitination[1]
589IDGIVLTKFDTIDDKubiquitination[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
 Component of the SRP (signal recognition particle) receptor. Ensures, in conjunction with the signal recognition particle, the correct targeting of the nascent secretory proteins to the endoplasmic reticulum membrane system. 
Sequence Annotation
 NP_BIND 425 432 GTP (By similarity).
 NP_BIND 520 524 GTP (By similarity).
 NP_BIND 588 591 GTP (By similarity).
 MOD_RES 296 296 Phosphoserine.
 MOD_RES 297 297 Phosphoserine.
 MOD_RES 298 298 Phosphoserine.  
Keyword
 3D-structure; Alternative splicing; Complete proteome; Endoplasmic reticulum; GTP-binding; Membrane; Nucleotide-binding; Phosphoprotein; Receptor; Reference proteome. 
Sequence Source
 UniProt (SWISSPROT/TrEMBL); GenBank; EMBL 
Protein Length
 638 AA 
Protein Sequence
MLDFFTIFSK GGLVLWCFQG VSDSCTGPVN ALIRSVLLQE RGGNNSFTHE ALTLKYKLDN 60
QFELVFVVGF QKILTLTYVD KLIDDVHRLF RDKYRTEIQQ QSALSLLNGT FDFQNDFLRL 120
LREAEESSKI RAPTTMKKFE DSEKAKKPVR SMIETRGEKP KEKAKNSKKK GAKKEGSDGP 180
LATSKPVPAE KSGLPVGPEN GVELSKEELI RRKREEFIQK HGRGMEKSNK STKSDAPKEK 240
GKKAPRVWEL GGCANKEVLD YSTPTTNGTP EAALSEDINL IRGTGSGGQL QDLDCSSSDD 300
EGAAQNSTKP SATKGTLGGM FGMLKGLVGS KSLSREDMES VLDKMRDHLI AKNVAADIAV 360
QLCESVANKL EGKVMGTFST VTSTVKQALQ ESLVQILQPQ RRVDMLRDIM DAQRRQRPYV 420
VTFCGVNGVG KSTNLAKISF WLLENGFSVL IAACDTFRAG AVEQLRTHTR RLSALHPPEK 480
HGGRTMVQLF EKGYGKDAAG IAMEAIAFAR NQGFDVVLVD TAGRMQDNAP LMTALAKLIT 540
VNTPDLVLFV GEALVGNEAV DQLVKFNRAL ADHSMAQTPR LIDGIVLTKF DTIDDKVGAA 600
ISMTYITSKP IVFVGTGQTY CDLRSLNAKA VVAALMKA 638 
Gene Ontology
 GO:0016021; C:integral to membrane; TAS:ProtInc.
 GO:0005785; C:signal recognition particle receptor complex; TAS:ProtInc.
 GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
 GO:0003924; F:GTPase activity; IEA:InterPro.
 GO:0005047; F:signal recognition particle binding; TAS:ProtInc.
 GO:0006987; P:activation of signaling protein activity involved in unfolded protein response; TAS:Reactome.
 GO:0006614; P:SRP-dependent cotranslational protein targeting to membrane; TAS:Reactome.
 GO:0006412; P:translation; TAS:Reactome. 
Interpro
 IPR003593; AAA+_ATPase.
 IPR011012; Longin-like_dom.
 IPR027417; P-loop_NTPase.
 IPR007222; Sig_recog_particle_rcpt_asu_N.
 IPR013822; Signal_recog_particl_SRP54_hlx.
 IPR000897; SRP54_GTPase_dom. 
Pfam
 PF04086; SRP-alpha_N
 PF00448; SRP54
 PF02881; SRP54_N 
SMART
 SM00382; AAA
 SM00962; SRP54
 SM00963; SRP54_N 
PROSITE
 PS00300; SRP54 
PRINTS