The effect of proline on the network structure of major ampullate silks as inferred from their mechanical and optical properties.

Abstract

The silk that orb-weaving spiders produce for use as dragline and for the frame of the web is spun from the major ampullate (MA) glands, and it is renowned for its exceptional toughness. The fibroins that make up MA silk have previously been organized into two major groupings, spidroin-1 and spidroin-2, based largely on differences in amino acid sequence… (More)
DOI: 10.1242/jeb.014217

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