File:Topological descriptions of small beta barrel proteins.png
Topological_descriptions_of_small_beta_barrel_proteins.png (520 × 600 pixels, file size: 159 KB, MIME type: image/png)
Summary[edit | edit source]
| Description |
Figure 1. Structural organization of simple small barrels. The Hfq protein (PDB ID 1KQ2) from the Sm-like fold (b.38.1.2) is used as a reference structure (defining the structural framework as it represents the shortest version of the barrel where all loops are reduced to tight turns) throughout this work. The SH3 strands and loop nomenclature is used for all SH3-like barrels A. Small barrel: loops and strands labeled B. The barrel is divided into two beta sheets: Sheet A (Meander) consist of β2C, β3 and β4; Sheet B (N-C) consists of β5, β1, β2N. C. The barrel is divided into two proto-domains related through C2 structural symmetry. Proto-domain 1 consist of strands β1, β2N, and β2C; Proto-domain 2 consist of strands β3, β4, and β5. D. The KOW motif consist of 27 residues and covers β1, β2 and the loop preceding β1. E. The barrels in Sm often define functional motifs Sm1 (β1- β3) and Sm2 (β4 - β5). |
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| Source |
Philippe Youkharibache, Stella Veretnik , Qingliang Li , Philip E Bourne |
| Date | |
| Author |
Philippe Youkharibache, Stella Veretnik , Qingliang Li , Philip E Bourne |
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See below.
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This work is licensed under the Creative Commons Attribution 4.0 International License. In short: you are free to distribute and modify the work as long as you attribute its author(s) or licensor(s). Official license |
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| current | 01:42, 30 November 2021 | | 520 × 600 (159 KB) | Evolution and evolvability (discuss | contribs) |
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