Review Article

NPM-ALK: The Prototypic Member of a Family of Oncogenic Fusion Tyrosine Kinases

Table 2

Known or suspected dimerization/oligomerization domains in ALK fusion partners. Dimerization/oligomerization domains present ALK fusion partners that are postulated to mediate dimerization/oligomerization are indicated. With the exception of the basic domain of EML4-ALK, these domains have not been experimentally proven to mediate dimerization/oligomerization of the respective fusion proteins. The basic domain of EML4 also possesses a coiled-coil motif which is postulated to mediate dimerization.

Dimerization/oligomerization domainFusion proteinReference

Coiled-coilTPM3-ALK[23, 25]
TPM4-ALK[25]
TFG-ALK[27]
KIF5B-ALK[54]
PPFIBP1-ALK[55]
MYH9-ALK*[45]

Leucine zipperRANBP2-ALK[44]
Basic domain/coiled-coilEML4-ALK[49]
PB1 domainSQSTM1-ALK[51]
WD40 repeatsSEC31L1-ALK[46]
Triskelion assembly motifsCLTC-ALK[33]

* The MYH9 coiled-coil domain is truncated in the fusion protein and may not be functional.