The Mysteries around the BCL-2 Family Member BOK

BOK is an evolutionarily conserved BCL-2 family member that resembles the apoptotic effectors BAK and BAX in sequence and structure. Based on these similarities, BOK has traditionally been classified as a BAX-like pro-apoptotic protein. However, the mechanism of action and cellular functions of BOK...

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Main Authors: Raed Shalaby, Hector Flores-Romero, Ana J. García-Sáez
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Biomolecules
Subjects:
Online Access:https://www.mdpi.com/2218-273X/10/12/1638
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author Raed Shalaby
Hector Flores-Romero
Ana J. García-Sáez
author_facet Raed Shalaby
Hector Flores-Romero
Ana J. García-Sáez
author_sort Raed Shalaby
collection DOAJ
description BOK is an evolutionarily conserved BCL-2 family member that resembles the apoptotic effectors BAK and BAX in sequence and structure. Based on these similarities, BOK has traditionally been classified as a BAX-like pro-apoptotic protein. However, the mechanism of action and cellular functions of BOK remains controversial. While some studies propose that BOK could replace BAK and BAX to elicit apoptosis, others attribute to this protein an indirect way of apoptosis regulation. Adding to the debate, BOK has been associated with a plethora of non-apoptotic functions that makes this protein unpredictable when dictating cell fate. Here, we compile the current knowledge and open questions about this paradoxical protein with a special focus on its structural features as the key aspect to understand BOK biological functions.
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spelling doaj.art-5990886cfb3344f3a79408aedf66ddaa2023-11-20T23:34:33ZengMDPI AGBiomolecules2218-273X2020-12-011012163810.3390/biom10121638The Mysteries around the BCL-2 Family Member BOKRaed Shalaby0Hector Flores-Romero1Ana J. García-Sáez2Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Joseph-Stelzmann-Straße 26, 50931 Cologne, GermanyInstitute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Joseph-Stelzmann-Straße 26, 50931 Cologne, GermanyInstitute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Joseph-Stelzmann-Straße 26, 50931 Cologne, GermanyBOK is an evolutionarily conserved BCL-2 family member that resembles the apoptotic effectors BAK and BAX in sequence and structure. Based on these similarities, BOK has traditionally been classified as a BAX-like pro-apoptotic protein. However, the mechanism of action and cellular functions of BOK remains controversial. While some studies propose that BOK could replace BAK and BAX to elicit apoptosis, others attribute to this protein an indirect way of apoptosis regulation. Adding to the debate, BOK has been associated with a plethora of non-apoptotic functions that makes this protein unpredictable when dictating cell fate. Here, we compile the current knowledge and open questions about this paradoxical protein with a special focus on its structural features as the key aspect to understand BOK biological functions.https://www.mdpi.com/2218-273X/10/12/1638BOKMOMPBCL-2 familyapoptosis
spellingShingle Raed Shalaby
Hector Flores-Romero
Ana J. García-Sáez
The Mysteries around the BCL-2 Family Member BOK
Biomolecules
BOK
MOMP
BCL-2 family
apoptosis
title The Mysteries around the BCL-2 Family Member BOK
title_full The Mysteries around the BCL-2 Family Member BOK
title_fullStr The Mysteries around the BCL-2 Family Member BOK
title_full_unstemmed The Mysteries around the BCL-2 Family Member BOK
title_short The Mysteries around the BCL-2 Family Member BOK
title_sort mysteries around the bcl 2 family member bok
topic BOK
MOMP
BCL-2 family
apoptosis
url https://www.mdpi.com/2218-273X/10/12/1638
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