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Structure of the second PDZ domain from human zonula occludens 2. | LitMetric

Structure of the second PDZ domain from human zonula occludens 2.

Acta Crystallogr Sect F Struct Biol Cryst Commun

Hefei National Laboratory for Physical Sciences at Microscale, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui, People's Republic of China.

Published: April 2009

AI Article Synopsis

Article Abstract

Human zonula occludens 2 (ZO-2) protein is a multi-domain protein that consists of an SH3 domain, a GK domain and three copies of a PDZ domain with slight divergence. The three PDZ domains act as protein-recognition modules that may mediate protein assembly and subunit localization. The crystal structure of the second PDZ domain of ZO-2 (ZO-2 PDZ2) was determined by molecular replacement at 1.75 A resolution, revealing a dimer in the asymmetric unit. The dimer is stabilized by extensive symmetrical domain-swapping of the beta1 and beta2 strands. Structural comparison shows that the ZO-2 PDZ2 homodimer may have a similar ligand-binding pattern to the ZO-1 PDZ2-connexin 43 complex.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2664751PMC
http://dx.doi.org/10.1107/S1744309109002334DOI Listing

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