5N8W: Streptavidin

CRYSTAL STRUCTURE OF STREPTAVIDIN with D-amino acid containing peptide GGwhdeatwkpG. Determined by X-ray diffraction at 1.1 Å resolution. Released 4 Oct 2017.

Method
X-ray diffraction
Resolution
1.1 Å
Organisms
Streptomyces avidinii, synthetic construct
Chains
4
Atoms
2,502
Mol. weight
40.93 kDa
Released
4 Oct 2017

Explore 5N8W in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5N8W contains 7 α-helices and 16 β-strands across 4 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.

Chain A: 3 helices, 8 β-strands

ElementResiduesLengthSheet
β-strand19-2241
β-strand28-3361
β-strand38-4471
α-helix50-523
β-strand54-6071
β-strand71-80101
β-strand85-97131
β-strand103-112101
α-helix116-1216
β-strand123-13191
α-helix134-1352
Chain B: 2 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand19-2242
β-strand28-3362
β-strand38-4472
α-helix50-523
β-strand54-6072
β-strand71-80102
β-strand85-97132
β-strand103-112102
α-helix116-1216
β-strand123-13192
Chains C and D: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix3-75

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
StreptavidinA, Bprotein183Streptomyces avidiniiP22629 (AlphaFold model)
Gly-gly-dtr-dhi-das-dgl-dal-dth-dtr-dlyC, Dprotein14synthetic construct
Sequence of entity 1 (A, B), FASTA
>5N8W_1 Streptavidin (chains A, B)
MRKIVVAAIAVSLTTVSITASASADPSKDSKAQVSAAEAGITGTWYNQLGSTFIVTAGAD
GALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQY
VGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAASIDAAKKAGVNNGNPLDA
VQQ
Sequence of entity 2 (C, D), FASTA
>5N8W_2 GLY-GLY-DTR-DHI-DAS-DGL-DAL-DTH-DTR-DLY (chains C, D)
GGWHDEATWKPGLY

Primary citation

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:

Browse structure collections

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