Related Experiment Video
Updated: Jan 26, 2026

From Constructs to Crystals – Towards Structure Determination of β-barrel Outer Membrane Proteins
Published on: July 4, 2016
βαβ Super-Secondary Motifs: Sequence, Structural Overview, and Pursuit of Potential Autonomously Folding βαβ
Rajasekhar Varma Kadamuri1, Shivkumar Sharma Irukuvajjula1, Ramakrishna Vadrevu2
1Department of Biological Sciences, Birla Institute of Technology and Science-Pilani, Hyderabad, Telangana, India.
Abstract:
βαβ super-secondary structures constitute the basic building blocks of (β/α)8 class of proteins. Despite the success in designing super-secondary structures, till date, there is not a single example of a natural βαβ sequence known to fold in isolation. In this chapter, to address the finding the "needles" in the haystack scenario, we have combined the sequence preferences and structural features of independent βαβ motifs, dictated by natural selection, with rationally derived parameters from a designed βαβ motif adopting stable fold in solution. Guided by this approach, a set of potential βαβ sequences from (β/α)8/TIM barrels are proposed as likely candidates for autonomously folding based on the assessment of their foldability.
Related Concept Videos
Protein and Protein Structure
A protein's shape is critical to its function. For example, an enzyme...
Cis-regulatory Sequences
Multi-pass Transmembrane Proteins and β-barrels
α-Helix containing multi-pass transmembrane proteins
Multi-pass transmembrane proteins such as...
Autonomic Nervous System: Overview
Sanger Sequencing
Next-generation Sequencing
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features....

