DDX39B

DExD-box helicase 39B

Summary

This gene encodes a member of the DEAD box family of RNA-dependent ATPases that mediate ATP hydrolysis during pre-mRNA splicing. The encoded protein is an essential splicing factor required for association of U2 small nuclear ribonucleoprotein with pre-mRNA, and it also plays an important role in mRNA export from the nucleus to the cytoplasm. This gene belongs to a cluster of genes localized in the vicinity of the genes encoding tumor necrosis factor alpha and tumor necrosis factor beta. These genes are all within the human major histocompatibility complex class III region. Mutations in this gene may be associated with rheumatoid arthritis. Alternative splicing results in multiple transcript variants. Related pseudogenes have been identified on both chromosomes 6 and 11. Read-through transcription also occurs between this gene and the upstream ATP6V1G2 (ATPase, H+ transporting, lysosomal 13kDa, V1 subunit G2) gene. [provided by RefSeq, Feb 2011]

Known Variants25 total

rsidPosition (GRCh37)AllelesClassClinVar
rs1388491786:31,498,914T/C—benign
rs38536016:31,499,603C/Gdownstream gene variant—
rs1158431006:31,499,713G/Cdownstream gene variant—
rs7457007096:31,500,561T/C—uncertain significance
rs117966:31,501,212A/C——
rs17677997546:31,504,323A/C—uncertain significance
rs24814122176:31,504,461C/A—uncertain significance
rs3774441386:31,504,466G/A—benign
rs27345836:31,505,480A/Gupstream gene variant—
rs92674856:31,505,790G/C——
rs24814342286:31,506,604C/T—uncertain significance
rs24814393946:31,506,988C/T—uncertain significance
rs1489316596:31,507,055A/G—benign
rs22694766:31,507,938G/Aupstream gene variant—
rs24814523096:31,508,129C/A—uncertain significance
rs7633941526:31,508,178G/C—uncertain significance
rs24814529926:31,508,201C/A—uncertain significance
rs3752159906:31,508,218G/A—uncertain significance
rs24814533376:31,508,219C/G—uncertain significance
rs7548426856:31,508,245G/C—uncertain significance
rs7789416826:31,508,246C/G—uncertain significance
rs3710471906:31,508,828G/Aregulatory region variant—
rs31300596:31,509,284G/Cregulatory region variant—
rs22395256:31,509,372G/C——
rs22395276:31,509,779C/Gregulatory region variant—

Gene information from NCBI Gene. Variant classifications from ClinVar.