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SOCS (suppressors of cytokine signaling) box of ASB13-like proteins. ASB family members have a C-terminal SOCS box and an N-terminal ankyrin-related sequence. The general function of the SOCS box is the recruitment of the ubiquitin-transferase system. The SOCS box interacts with Elongins B and C, Cullin-5 or Cullin-2, Rbx-1, and E2. Therefore, SOCS-box-containing proteins probably function as E3 ubiquitin ligases and mediate the degradation of proteins associated through their N-terminal regions.
Jiyao W et al.(2023). "The conserved domain database in 2023.",