Article ID Journal Published Year Pages File Type
2189657 Journal of Molecular Biology 2006 9 Pages PDF
Abstract

We have examined the elbow angles for 365 different Fab fragments, and observe that Fabs with λ light chains have adopted a wider range of elbow angles than their κ chain counterparts, and that the λ light chain Fabs are frequently found with very large (>195°) elbow angles. This apparent hyperflexibility of λ chain Fabs may be due to an insertion in their switch region, which is one residue longer than in κ chains, with glycine occurring most frequently at the insertion position. A new, web-based computer program that was used to calculate the Fab elbow angles is described.

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Life Sciences Biochemistry, Genetics and Molecular Biology Cell Biology
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