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Switch #:
SWTI000631
Switch type:
Binary
Switch subtype:
Pre-translational

Description:
Alternative splicing removes the PDZ-binding motif of Isoform Kalirin-7 of Kalirin (Kalrn), abrogating binding to Disks large homolog 4 (Dlg4). Isoform Kalirin-7 of Kalirin (Kalrn) is the most prevalent isoform in the adult rat hippocampus where it locates to the postsynaptic density via an interaction with Dlg4 and regulates dendritic morphogenesis.

Participants:
(1) Isoform Kalirin-7 of Kalirin (Kalrn)
(2) Disks large homolog 4 (Dlg4)

Interactions
Interaction #1 Kalrn - Dlg4

Interfaces
(1) LIG_PDZ_Class_1 motif (1649PFSTYV1654) in Isoform Kalirin-7 of Kalirin (Kalrn)
(2) PDZ domain (Also known as DHR or GLGF) (313-393) in Disks large homolog 4 (Dlg4)

Interaction Regulation
Alternative splicing Abrogation of the Isoform Kalirin-7 of Kalirin (Kalrn) LIG_PDZ_Class_1 motif - Disks large homolog 4 (Dlg4) PDZ domain (Also known as DHR or GLGF) interaction

Context
References

(1) The neuronal Rho-GEF Kalirin-7 interacts with PDZ domain-containing proteins and regulates dendritic morphogenesis.
Penzes et al. Neuron (2001)

(2) Kalirin-7 is an essential component of both shaft and spine excitatory synapses in hippocampal interneurons.
Ma et al. J. Neurosci. (2008)

See also

Other switches involving participants
Isoform Kalirin-7 of Kalirin (Kalrn) - 2 more (view)
Disks large homolog 4 (Dlg4) - 2 more (view)

Other switches involving interfaces
PDZ domain (Also known as DHR or GLGF) - 45 more (view)
LIG_PDZ_Class_1 - 41 more (view)




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