Supriya Ghosh


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Symbol  HSPA1B
HUGO  5233
RefSeq  NM_005346
Entrez  3304
OMIM  603012
UniProt  P08107

Heat shock 70kDa protein 1B, also known as HSPA1B, is a human gene. This intronless gene encodes a 70kDa heat shock protein which is a member of the heat shock protein 70 family.



In conjunction with other heat shock proteins, this protein stabilizes existing proteins against aggregation and mediates the folding of newly translated proteins in the cytosol and in organelles. It is also involved in the ubiquitin-proteasome pathway through interaction with the AU-rich element RNA-binding protein 1. The gene is located in the major histocompatibility complex class III region, in a cluster with two closely related genes which encode similar proteins.

Disease linkage

Patients with chronic hepatitis B or hepatitis C virus infection who harbor a HSPA1B-1267 single nucleotide polymorphism have a higher risk for developing hepatocellular carcinoma.


HSPA1B Wikipedia

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