Negative Elongation Factor B

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

**Definition:** Negative elongation factor B (580 aa, ~66 kDa) is encoded by the human NELFB gene. This protein is involved in the negative regulation of transcript elongation.

**Synonyms:** - Cofactor of BRCA1 - NELF-B - NELFB - Negative Elongation Factor Polypeptide B - Negative Elongation Factor Protein B