Table 1.

MS/MS analysis of proteins that coimmunoprecipitate with ErbB4

GeneProteinPeptide matches to sequence
PRPUU5 snRNP protein33/33
DDX23RNA helicase29/29
MATR3Matrin 319/19
RBM15RNA binding protein 1513/13
ILF3Interleukin-binding protein11/11
KAP1Krab-associated protein 17/7
U5S1U5 snRNP5/5
Q9BR70Unknown5/5
ITCHE3 ligase4/4
HNRPUHnRNA protein U4/4
AP2A1Alpha-adaptin 14/4
NulcNucleolin4/4
Q8WVCOPaf1 complex protein3/3
WWP2NEDD-like E3 ligase3/3
IGHG1IgG-like protein3/3
HXK1Brain hexokinase2/2
ARS2Arsenite binding protein2/2

Abbreviations: snRNP, small nuclear ribonucleoprotein; hnRNA, heterogeneous nRNA.