Article
Highly reinforced structure of a C-terminal dimerization domain in von Willebrand factor.
Blood - 20 Mar 2014
Zhou Yan-Feng, Springer Timothy A
Abstract excerpt
The C-terminal cystine knot (CK) (CTCK) domain in von Willebrand factor (VWF) mediates dimerization of proVWF in the endoplasmic reticulum and is essential for long multimers required for hemostatic function. The CTCK dimer crystal structure reveals highly elongated monomers with 2 β-ribbons and 4 intra-chain disulfides, including 3 in the CK. Dimerization buries an extensive interface of 1500 Å(2) corresponding...
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