IJMS, Vol. 19, Pages 91: InSiDDe: A Server for Designing Artificial Disordered Proteins

IJMS, Vol. 19, Pages 91: InSiDDe: A Server for Designing Artificial Disordered Proteins

International Journal of Molecular Sciences doi: 10.3390/ijms19010091

Authors: Antoine Schramm Philippe Lieutaud Stefano Gianni Sonia Longhi Christophe Bignon

InSiDDe (In Silico Disorder Design) is a program for the in silico design of intrinsically disordered proteins of desired length and disorder probability. The latter is assessed using IUPred and spans values ranging from 0.55 to 0.95 with 0.05 increments. One to ten artificial sequences per query, each made of 50 to 200 residues, can be generated by InSiDDe. We describe the rationale used to set up InSiDDe and show that an artificial sequence of 100 residues with an IUPred score of 0.6 designed by InSiDDe could be recombinantly expressed in E. coli at high levels without degradation when fused to a natural molecular recognition element (MoRE). In addition, the artificial fusion protein exhibited the expected behavior in terms of binding modulation of the specific partner recognized by the MoRE. To the best of our knowledge, InSiDDe is the first publicly available software for the design of intrinsically disordered protein (IDP) sequences. InSiDDE is publicly available online.

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