Crystal structure of streptavidin with peptide rdpapawahggg. Determined by X-ray diffraction at 1.1 Å resolution. Released 11 Oct 2017.
Explore 5N8E in 3D Show helices and sheets RCSB PDB PDBe
5N8E contains 13 α-helices and 33 β-strands across 7 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 19-22 | 4 | 1 |
| β-strand | 28-33 | 6 | 1 |
| β-strand | 38-44 | 7 | 1 |
| α-helix | 50-52 | 3 | |
| β-strand | 54-60 | 7 | 1 |
| α-helix | 69-70 | 2 | |
| β-strand | 71-80 | 10 | 1 |
| β-strand | 85-97 | 13 | 1 |
| β-strand | 103-112 | 10 | 1 |
| α-helix | 116-121 | 6 | |
| β-strand | 123-131 | 9 | 1 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 19-23 | 5 | 2 |
| β-strand | 28-33 | 6 | 2 |
| β-strand | 38-44 | 7 | 2 |
| β-strand | 54-60 | 7 | 2 |
| β-strand | 71-80 | 10 | 2 |
| β-strand | 85-97 | 13 | 2 |
| β-strand | 103-112 | 10 | 2 |
| α-helix | 113 | 1 | |
| α-helix | 116-121 | 6 | |
| β-strand | 123-131 | 9 | 2 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 19-22 | 4 | 2 |
| β-strand | 28-33 | 6 | 2 |
| β-strand | 38-44 | 7 | 2 |
| α-helix | 50-52 | 3 | |
| β-strand | 54-60 | 7 | 2 |
| β-strand | 71-80 | 10 | 2 |
| β-strand | 85-97 | 13 | 2 |
| β-strand | 103-112 | 10 | 2 |
| α-helix | 116-121 | 6 | |
| β-strand | 123-131 | 9 | 2 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 6-9 | 4 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 6-8 | 3 | |
| β-strand | 11 | 1 | 1 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Streptavidin | A, B, C, D | protein | 183 | Streptomyces avidinii | P22629 (AlphaFold model) |
| Arg-asp-pro-ala-pro-ala-trp-ala-his-gly-gly-gly-NH2 | E, F, H | protein | 13 | synthetic construct |
>5N8E_1 Streptavidin (chains A, B, C, D) MRKIVVAAIAVSLTTVSITASASADPSKDSKAQVSAAEAGITGTWYNQLGSTFIVTAGAD GALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQY VGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAASIDAAKKAGVNNGNPLDA VQQ
>5N8E_2 ARG-ASP-PRO-ALA-PRO-ALA-TRP-ALA-HIS-GLY-GLY-GLY-NH2 (chains E, F, H) RDPAPAWAHGGGX
Stepwise Evolution Improves Identification of Diverse Peptides Binding to a Protein Target. Lyamichev, V.I., Goodrich, L.E., Sullivan, E.H. et al. Sci Rep (2017) 7:12116-12116. DOI 10.1038/s41598-017-12440-1 · PubMed
Other PDB entries of the same protein (UniProt P22629 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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