Target intelligence / Profile preview

Docking protein 1 (DOK1)

Target
DOK1
Molecular classification
Other (Adaptor/scaffold protein)
01

Overview

Docking protein 1 (DOK1) is a member of the DOK family of adaptor proteins, characterized by enzymatic inertness and the provision of a docking platform for signaling complexes. DOK1 is constitutively tyrosine phosphorylated in hematopoietic progenitors from patients with chronic myelogenous leukemia and serves as a critical substrate for the oncogenic p210(bcr/abl) fusion protein. Its domain structure includes a pleckstrin homology domain and multiple SH3 recognition motifs, facilitating interactions with other signaling proteins and modulation of downstream pathways such as insulin signaling and integrin activation. DOK1 acts as a scaffold that orchestrates cellular responses to external stimuli but is not a conventional receptor, enzyme, or therapeutic target in current clinical practice[1][2][3][6].

Other names
p62dokDownstream of tyrosine kinase 1pp62P62DOKDOK-1
02

Biological functions

Signal transduction (downstream of receptor tyrosine kinases)Negative regulation of insulin signalingFormation of multiprotein signaling complexesModulation of integrin activationMitogenic signaling
03

Disease associations

Cancer (chronic myelogenous leukemia, CML)Other (myopia, based on genetic association)

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