What question did this study set out to answer?

To identify and map the spatial organization of phospholipid-binding domains within intact platelet talin dimers and their proteolytic fragments.

April 17, 1998FEBS Letters

Peptide‐specific antibodies localize the major lipid binding sites of talin dimers to oppositely arranged N‐terminal 47 kDa subdomains¹

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Authors

GIG. IsenbergTechnical University of Munich WGW.H. GoldmannBoston Children's Hospital

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Implication

Ultrastructural mapping demonstrates lipid-binding sites at opposite ends of platelet talin dimers, revealing an antiparallel dumbbell-shaped structural organization.

Key Points

To identify and map the spatial organization of phospholipid-binding domains within intact platelet talin dimers and their proteolytic fragments.
Conducted ultrastructural analysis and antibody labeling on intact platelet talin and its proteolytic cleavage fragments.
Generated peptide-specific polyclonal antibodies directed against three candidate lipid-binding sequences within the N-terminal 47 kDa domain (S19: residues 21–39, H18: residues 287–304, and H17: residues 385–406).
Antibodies H17 and H18 localized lipid-binding sequences directly to the N-terminal 47 kDa globular talin subdomains.
The 47 kDa globular domains mapped to opposite distal ends of the 200 kDa central rod domain, establishing that dimeric talin forms an antiparallel, dumbbell-shaped complex.

Cite This Study

Isenberg et al. (1998) studied this question.

synapsesocial.com/papers/6a70ab2b2163a0a01bc4e222 https://doi.org/10.1016/s0014-5793(98)00336-6

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Implication

Ultrastructural mapping demonstrates lipid-binding sites at opposite ends of platelet talin dimers, revealing an antiparallel dumbbell-shaped structural organization.

Peptide‐specific antibodies localize the major lipid binding sites of talin dimers to oppositely arranged N‐terminal 47 kDa subdomains¹

Discussion

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Implication

Key Points

Cite This Study

Peptide‐specific antibodies localize the major lipid binding sites of talin dimers to oppositely arranged N‐terminal 47 kDa subdomains¹

Discussion

Member takes

Implication

Key Points

Cite This Study

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