Phosphorylation of CDCA5 (Sororin) coincides with dissociation of CDCA5 from chromosomal arms in prometaphase. Several serine and threonine residues in CDCA5 are phosphorylated by CDK1 in prometaphase, but only the three sites that perfectly match the CDK1 consensus phosphorylation sequence are shown here - serines S21 and S75 and threonine T159 (Drier et al. 2011, Zhang et al. 2011).
Dreier, MR, Bekier, ME, Taylor, WR
Pati, D, Mao, Q, Panigrahi, AK, Zhang, N
cyclin-dependent protein serine/threonine kinase activity of CCNB1,CCNB2:p-T161-CDK1 [cytosol]
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