CPLM 1.0 - Compendium of Protein Lysine Modification
TagContent
CPLM ID CPLM-009502
UniProt Accession
Genbank Protein ID
 X76724 
Genbank Nucleotide ID
Protein Name
 Voltage-gated potassium channel subunit beta-2 
Protein Synonyms/Alias
 K(+) channel subunit beta-2; Kv-beta-2 
Gene Name
 Kcnab2 
Gene Synonyms/Alias
 Ckbeta2; Kcnb3 
Created Date
 July 27, 2013 
Organism
 Rattus norvegicus (Rat) 
NCBI Taxa ID
 10116 
Lysine Modification
Position
Peptide
Type
References
44QFYRNLGKSGLRVSCubiquitination[1]
104VVLGNIIKKKGWRRSubiquitination[1]
124TKIFWGGKAETERGLacetylation[2]
124TKIFWGGKAETERGLubiquitination[1]
141KHIIEGLKASLERLQubiquitination[1]
268PYSRASLKGYQWLKDacetylation[2]
268PYSRASLKGYQWLKDubiquitination[1]
274LKGYQWLKDKILSEEacetylation[2]
276GYQWLKDKILSEEGRacetylation[2]
290RRQQAKLKELQAIAEacetylation[2]
290RRQQAKLKELQAIAEubiquitination[1]
358IDSILGNKPYSKKDYacetylation[2]
362LGNKPYSKKDYRS**acetylation[2]
Reference
 [1] Synaptic protein ubiquitination in rat brain revealed by antibody-based ubiquitome analysis.
 Na CH, Jones DR, Yang Y, Wang X, Xu Y, Peng J.
 J Proteome Res. 2012 Sep 7;11(9):4722-32. [PMID: 22871113]
 [2] Proteomic analysis of lysine acetylation sites in rat tissues reveals organ specificity and subcellular patterns.
 Lundby A, Lage K, Weinert BT, Bekker-Jensen DB, Secher A, Skovgaard T, Kelstrup CD, Dmytriyev A, Choudhary C, Lundby C, Olsen JV.
 Cell Rep. 2012 Aug 30;2(2):419-31. [PMID: 22902405
Functional Description
 Accessory potassium channel protein which modulates the activity of the pore-forming alpha subunit. 
Sequence Annotation
 NP_BIND 56 57 NADP.
 NP_BIND 188 189 NADP.
 NP_BIND 243 248 NADP.
 NP_BIND 323 329 NADP.
 BINDING 63 63 NADP.
 BINDING 85 85 NADP.
 BINDING 90 90 NADP.
 BINDING 214 214 NADP.
 BINDING 254 254 NADP.
 MOD_RES 9 9 Phosphoserine (By similarity).
 MOD_RES 20 20 Phosphoserine (By similarity).
 MOD_RES 25 25 Phosphotyrosine (By similarity).
 MOD_RES 124 124 N6-acetyllysine (By similarity).
 MOD_RES 360 360 Phosphotyrosine (By similarity).  
Keyword
 3D-structure; Acetylation; Complete proteome; Cytoplasm; Ion channel; Ion transport; NADP; Phosphoprotein; Potassium; Potassium transport; Reference proteome; Transport; Voltage-gated channel. 
Sequence Source
 UniProt (SWISSPROT/TrEMBL); GenBank; EMBL 
Protein Length
 367 AA 
Protein Sequence
MYPESTTGSP ARLSLRQTGS PGMIYSTRYG SPKRQLQFYR NLGKSGLRVS CLGLGTWVTF 60
GGQITDEMAE HLMTLAYDNG INLFDTAEVY AAGKAEVVLG NIIKKKGWRR SSLVITTKIF 120
WGGKAETERG LSRKHIIEGL KASLERLQLE YVDVVFANRP DPNTPMEETV RAMTHVINQG 180
MAMYWGTSRW SSMEIMEAYS VARQFNLIPP ICEQAEYHMF QREKVEVQLP ELFHKIGVGA 240
MTWSPLACGI VSGKYDSGIP PYSRASLKGY QWLKDKILSE EGRRQQAKLK ELQAIAERLG 300
CTLPQLAIAW CLRNEGVSSV LLGASNAEQL MENIGAIQVL PKLSSSIVHE IDSILGNKPY 360
SKKDYRS 367 
Gene Ontology
 GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
 GO:0016021; C:integral to membrane; IEA:InterPro.
 GO:0044224; C:juxtaparanode region of axon; IEA:Compara.
 GO:0005249; F:voltage-gated potassium channel activity; IEA:InterPro.
 GO:0051291; P:protein heterooligomerization; IPI:RGD. 
Interpro
 IPR001395; Aldo/ket_red.
 IPR005983; K_chnl_volt-dep_bsu_KCNAB.
 IPR005399; K_chnl_volt-dep_bsu_KCNAB-rel.
 IPR005401; K_chnl_volt-dep_bsu_KCNAB2.
 IPR023210; NADP_OxRdtase_dom. 
Pfam
 PF00248; Aldo_ket_red 
SMART
  
PROSITE
  
PRINTS
 PR01579; KCNAB2CHANEL.
 PR01577; KCNABCHANNEL.