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6NE4

Designed repeat protein specifically in complex with Fz7CRD

Summary for 6NE4
Entry DOI10.2210/pdb6ne4/pdb
Related6NDZ
DescriptorDesigned repeat binding protein, Frizzled-7, SULFATE ION, ... (5 entities in total)
Functional Keywordsfrizzled, designed protein, biosynthetic protein, biosynthetic protein-signaling protein complex, biosynthetic protein/signaling protein
Biological sourceEscherichia coli
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Total number of polymer chains2
Total formula weight36543.98
Authors
Miao, Y.,Jude, K.M.,Garcia, K.C. (deposition date: 2018-12-16, release date: 2019-05-15, Last modification date: 2024-10-09)
Primary citationDang, L.T.,Miao, Y.,Ha, A.,Yuki, K.,Park, K.,Janda, C.Y.,Jude, K.M.,Mohan, K.,Ha, N.,Vallon, M.,Yuan, J.,Vilches-Moure, J.G.,Kuo, C.J.,Garcia, K.C.,Baker, D.
Receptor subtype discrimination using extensive shape complementary designed interfaces.
Nat.Struct.Mol.Biol., 26:407-414, 2019
Cited by
PubMed Abstract: To discriminate between closely related members of a protein family that differ at a limited number of spatially distant positions is a challenge for drug discovery. We describe a combined computational design and experimental selection approach for generating binders targeting functional sites with large, shape complementary interfaces to read out subtle sequence differences for subtype-specific antagonism. Repeat proteins are computationally docked against a functionally relevant region of the target protein surface that varies in the different subtypes, and the interface sequences are optimized for affinity and specificity first computationally and then experimentally. We used this approach to generate a series of human Frizzled (Fz) subtype-selective antagonists with extensive shape complementary interaction surfaces considerably larger than those of repeat proteins selected from random libraries. In vivo administration revealed that Wnt-dependent pericentral liver gene expression involves multiple Fz subtypes, while maintenance of the intestinal crypt stem cell compartment involves only a limited subset.
PubMed: 31086346
DOI: 10.1038/s41594-019-0224-z
PDB entries with the same primary citation
Experimental method
X-RAY DIFFRACTION (1.648 Å)
Structure validation

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