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. 2010 Jun 26;2(7):445–452. doi: 10.18632/aging.100163

Table I. Identification of SOCS1 interaction partners by mass spectrometry*.

Protein Function
Elongin C Interacts with SOCS box [10]
Elongin B Interacts with SOCS box [10]
Pericentrin Cells depleted of pericentrin enter senescence due to p53 activation [72].
SHC (Src homology 2 domain containing) transforming protein 1 (SHC1) Member of the Shc protein family of molecular adaptors, SHC1 promotes apoptosis by its redox activity. SHC1 is implicated in the control of oxidative stress and life span in mammals [73].
Tripartite motif-containing 28 (TRIM28 or KAP1) TRIM28 is implicated in transcriptional control through its interaction with the Kruppel-associated box repression domain. TRIM28 contributes to DNA repair mechanisms [74].
5'-nucleotidase, cytosolic II (NT5C2) NT5C2 hydrolyzes 5-prime-monophosphate (IMP) and other purine nucleotides. NT5C2 is implicated in the maintenance of a constant composition of intracellular purine/pyrimidine nucleotides [75].
BCL2-associated transcription factor 1 (BCLAF1) BCLAF1, a transcriptional repressor that interacts with members of the BCL2 family of proteins, promotes apoptosis [76].
Human positive cofactor 4 (PC4) Suppressor of oxidative mutator phenotype [77]. Accumulates at DNA damage foci [78].