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Table 1 Known PAK substrates with their phosphorylation sequence

From: p21-activated kinase signaling in breast cancer

Substrate

Phosphorylation sequence

Reference

LIMK

KRYT

[62]

Myosin II light chain

RATS

[63]

Myosin II light chain kinase

GRLS, RPKS

[64,65]

Synapsin

RXXS

[66]

Caldesmon

NIKS, GVSS

[67,68]

Op18/stathmin

KRAS

[69]

Merlin

KRLS

[20]

Filamin A

RAPS

[70]

Raf-1

QRDS

[71]

MEK-1

RPLS

[72]

p47phox

RRNS

[73]

Bad

RHSS, RSRS

[7,74]

Estrogen receptor

KKNS

[25]

GEF-H1

RRRS

[11]

G z

ARRS

[75]

Phosphoglycerate mutase-B

NRFS, WRRS

[76]

Prolactin

RRDS

[77]

RhoGDI

KKQS

[78]

Desmin

KRAS

[67]

Vimentin

SSS, RPSS, LRSS, TTS

[79]

Histone 3

ARKS

[42]

C-terminal binding protein 1

RVQS

[35]

Dynein light chain 1

FKS

[38]

P41 ARC

KDRT

[80]

Phosphoglucomutase

KVYT

[47]

STAT5a

ARLS

[23]