Carboxy-Terminal Domain RNA Polymerase II Polypeptide A Small Phosphatase 2

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 2 (271 aa, ~31 kDa) is encoded by the human CTDSP2 gene. This protein is involved in both protein dephosphorylation and the negative regulation of transcription.

**Synonyms:** - CTD - CTDSP2 - NIF2 - NLI-Interacting Factor 2 - Nuclear LIM Interactor-Interacting Factor 2 - OS4 - Protein OS-4 - SCP2 - Small C-Terminal Domain Phosphatase 2 - Small CTD Phosphatase 2