Spliceosome RNA Helicase DDX39B

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

**Definition:** Spliceosome RNA helicase DDX39B (428 aa, ~49 kDa) is encoded by the human DDX39B gene. This protein plays a role in spliceosome assembly and the nuclear export of spliced and unspliced mRNA.

**Synonyms:** - 56 kDa U2AF65-Associated Protein - ATP-Dependent RNA Helicase p47 - DEAD Box Polypeptide 39B - DEAD Box Protein UAP56 - EC 3.6.4.13 - HLA-B-Associated Transcript 1 Protein - Spliceosome RNA Helicase BAT1 - U2AF65-Associated Protein 56 - U2AF65-Associated Protein, 56-kD