Bcl-2-interacting killer

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BCL2-interacting killer (apoptosis-inducing)
Available structures
PDB Ortholog search: PDBe, RCSB
Symbols BIK ; BIP1; BP4; NBK
External IDs OMIM603392 MGI1206591 HomoloGene924 GeneCards: BIK Gene
Species Human Mouse
Entrez 638 12124
Ensembl ENSG00000100290 ENSMUSG00000016758
UniProt Q13323 O70337
RefSeq (mRNA) NM_001197 NM_007546
RefSeq (protein) NP_001188 NP_031572
Location (UCSC) Chr 22:
43.51 – 43.53 Mb
Chr 15:
83.53 – 83.54 Mb
PubMed search [1] [2]

Bcl-2-interacting killer is a protein that in humans is encoded by the BIK gene.[1][2][3]


The protein encoded by this gene is known to interact with cellular and viral survival-promoting proteins, such as BCL2 and the Epstein-Barr virus in order to enhance programmed cell death. Because its activity is suppressed in the presence of survival-promoting proteins, this protein is suggested as a likely target for antiapoptotic proteins. This protein shares a critical BH3 domain with other death-promoting proteins, BAX and BAK.[3]


Bcl-2-interacting killer has been shown to interact with BCL2-like 1[4][5][6][7] and Bcl-2.[5][6]


  1. ^ Boyd JM, Gallo GJ, Elangovan B, Houghton AB, Malstrom S, Avery BJ, Ebb RG, Subramanian T, Chittenden T, Lutz RJ, et al. (Dec 1995). "Bik, a novel death-inducing protein shares a distinct sequence motif with Bcl-2 family proteins and interacts with viral and cellular survival-promoting proteins". Oncogene 11 (9): 1921–8. PMID 7478623. 
  2. ^ Dunham I, Shimizu N, Roe BA, Chissoe S, Hunt AR, Collins JE, Bruskiewich R, Beare DM, Clamp M, Smink LJ, Ainscough R, Almeida JP, Babbage A, Bagguley C, Bailey J, Barlow K, Bates KN, Beasley O, Bird CP, Blakey S, Bridgeman AM, Buck D, Burgess J, Burrill WD, O'Brien KP, et al. (Dec 1999). "The DNA sequence of human chromosome 22". Nature 402 (6761): 489–95. doi:10.1038/990031. PMID 10591208. 
  3. ^ a b "Entrez Gene: BIK BCL2-interacting killer (apoptosis-inducing)". 
  4. ^ Rual JF, Venkatesan K, Hao T, Hirozane-Kishikawa T, Dricot A, Li N, Berriz GF, Gibbons FD, Dreze M, Ayivi-Guedehoussou N, Klitgord N, Simon C, Boxem M, Milstein S, Rosenberg J, Goldberg DS, Zhang LV, Wong SL, Franklin G, Li S, Albala JS, Lim J, Fraughton C, Llamosas E, Cevik S, Bex C, Lamesch P, Sikorski RS, Vandenhaute J, Zoghbi HY, Smolyar A, Bosak S, Sequerra R, Doucette-Stamm L, Cusick ME, Hill DE, Roth FP, Vidal M (October 2005). "Towards a proteome-scale map of the human protein-protein interaction network". Nature 437 (7062): 1173–8. doi:10.1038/nature04209. PMID 16189514. 
  5. ^ a b Chen L, Willis SN, Wei A, Smith BJ, Fletcher JI, Hinds MG, Colman PM, Day CL, Adams JM, Huang DC (February 2005). "Differential targeting of prosurvival Bcl-2 proteins by their BH3-only ligands allows complementary apoptotic function". Mol. Cell 17 (3): 393–403. doi:10.1016/j.molcel.2004.12.030. PMID 15694340. 
  6. ^ a b Gillissen B, Essmann F, Graupner V, Stärck L, Radetzki S, Dörken B, Schulze-Osthoff K, Daniel PT (July 2003). "Induction of cell death by the BH3-only Bcl-2 homolog Nbk/Bik is mediated by an entirely Bax-dependent mitochondrial pathway". EMBO J. 22 (14): 3580–90. doi:10.1093/emboj/cdg343. PMC 165613. PMID 12853473. 
  7. ^ Jiang A, Clark EA (May 2001). "Involvement of Bik, a proapoptotic member of the Bcl-2 family, in surface IgM-mediated B cell apoptosis". J. Immunol. 166 (10): 6025–33. doi:10.4049/jimmunol.166.10.6025. PMID 11342619. 

Further reading[edit]