Contribution of unusual arginine-arginine short-range interactions to stabilization and recognition in proteins.

Abstract

Although the majority of the ion pairs found in proteins consists of two charges of opposite sign, the observation of some unusual arrangements of two arginines led us to a search of such occurrences in the Brookhaven Protein Data Bank. We have found 41 Arginine-Arginine interactions with a C zeta ... C zeta distance less than 5 A. Computer graphics… (More)

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