1uzk: Difference between revisions
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==Overview== | ==Overview== | ||
Human fibrillin-1, the major structural protein of extracellular matrix, (ECM) 10-12 nm microfibrils, is dominated by 43 calcium binding epidermal, growth factor-like (cbEGF) and 7 transforming growth factor beta binding, protein-like (TB) domains. Crystal structures reveal the integrin binding, cbEGF22-TB4-cbEGF23 fragment of human fibrillin-1 to be a, Ca(2+)-rigidified tetragonal pyramid. We suggest that other cbEGF-TB pairs, within the fibrillins may adopt a similar orientation to cbEGF22-TB4. In, addition, we have located a flexible RGD integrin binding loop within TB4., Modeling, cell attachment and spreading assays, immunocytochemistry, and, surface plasmon resonance indicate that cbEGF22 bound to TB4 is a, requirement for integrin activation and provide insight into the molecular, .. | Human fibrillin-1, the major structural protein of extracellular matrix, (ECM) 10-12 nm microfibrils, is dominated by 43 calcium binding epidermal, growth factor-like (cbEGF) and 7 transforming growth factor beta binding, protein-like (TB) domains. Crystal structures reveal the integrin binding, cbEGF22-TB4-cbEGF23 fragment of human fibrillin-1 to be a, Ca(2+)-rigidified tetragonal pyramid. We suggest that other cbEGF-TB pairs, within the fibrillins may adopt a similar orientation to cbEGF22-TB4. In, addition, we have located a flexible RGD integrin binding loop within TB4., Modeling, cell attachment and spreading assays, immunocytochemistry, and, surface plasmon resonance indicate that cbEGF22 bound to TB4 is a, requirement for integrin activation and provide insight into the molecular, basis of the fibrillin-1 interaction with alphaVbeta3. In light of our, data, we propose a novel model for the assembly of the fibrillin, microfibril and a mechanism to explain its extensibility. | ||
==About this Structure== | ==About this Structure== | ||
1UZK is a | 1UZK is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] with CA as [http://en.wikipedia.org/wiki/ligand ligand]. Structure known Active Site: AC1. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1UZK OCA]. | ||
==Reference== | ==Reference== | ||
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[[Category: tb domain]] | [[Category: tb domain]] | ||
''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on | ''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Mon Nov 5 13:10:06 2007'' | ||
