Provided below are ELISA kits targeting CCR4-NOT transcription complex subunit 2, a human protein encoded by CNOT2. This protein is 540 amino acids long, with a mass of 59.7 kDa, and is a member of the CNOT2/3/5 family. 5 isoforms have been identified. This is reported to be a cytoplasmic and nuclear protein. Other alias names for this protein include: CCR4-associated factor 2, negative regulator of transcription 2, CDC36, HSPC131, and negative regulator of transcription 2.