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3p1a

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Template:STRUCTURE 3p1a

Contents

Structure of human Membrane-associated Tyrosine- and Threonine-specific cdc2-inhibitory kinase MYT1 (PKMYT1)

Function

[PMYT1_HUMAN] Acts as a negative regulator of entry into mitosis (G2 to M transition) by phosphorylation of the CDK1 kinase specifically when CDK1 is complexed to cyclins. Mediates phosphorylation of CDK1 predominantly on 'Thr-14'. Also involved in Golgi fragmentation. May be involved in phosphorylation of CDK1 on 'Tyr-15' to a lesser degree, however tyrosine kinase activity is unclear and may be indirect. May be a downstream target of Notch signaling pathway during eye development.[1] [2]

About this Structure

3p1a is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  1. ↑ Liu F, Stanton JJ, Wu Z, Piwnica-Worms H. The human Myt1 kinase preferentially phosphorylates Cdc2 on threonine 14 and localizes to the endoplasmic reticulum and Golgi complex. Mol Cell Biol. 1997 Feb;17(2):571-83. PMID:9001210
  2. ↑ Liu F, Rothblum-Oviatt C, Ryan CE, Piwnica-Worms H. Overproduction of human Myt1 kinase induces a G2 cell cycle delay by interfering with the intracellular trafficking of Cdc2-cyclin B1 complexes. Mol Cell Biol. 1999 Jul;19(7):5113-23. PMID:10373560

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OCA

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