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Homo- and Heterotypic Association Regulates Signaling by the SgK269/PEAK1 and SgK223 Pseudokinases


SgK269/PEAK1 is a pseudokinase and scaffolding protein that plays a critical role in regulating growth factor receptor signal output and is implicated in the progression of several cancers, including those of the breast, colon, and pancreas. SgK269 is structurally related to SgK223, a human pseudokinase that also functions as a scaffold but recruits a distinct repertoire of signaling proteins compared with SgK269. Structural similarities between SgK269 and SgK223 include a predicted alpha-helical region (designated CH) immediately preceding the conserved C-terminal pseudokinase (PK) domain. Structure-function analyses of SgK269 in MCF-10A mammary epithelial cells demonstrated a critical role for the CH and PK regions in promoting cell migration and Stat3 activation. Characterization of the SgK269

Type Journal
ISBN 1083-351X (Electronic) 0021-9258 (Linking)
Authors Liu, L. ; Phua, Y. W. ; Lee, R. S. ; Ma, X. ; Jenkins, Y. ; Novy, K. ; Humphrey, E. S. ; Chan, H. ; Shearer, R. ; Ong, P. C. ; Dai, W. ; Saunders, D. N. ; Lucet, I. S. ; Daly, R. J.;
Published Date 2016-01-01
Published Volume 291
Published Issue 41
Published Pages 21571-21583
Status Published in-print
OpenAccess link to author's accepted manuscript version