5CD8: NTD of Drosophila Oskar protein

Crystal structure of the NTD of Drosophila Oskar protein. Determined by X-ray diffraction at 3.0 Å resolution. Released 2 Sept 2015.

Method
X-ray diffraction
Resolution
3.0 Å
Organism
Drosophila melanogaster
Chains
6
Atoms
3,466
Mol. weight
62.58 kDa
Released
2 Sept 2015

Explore 5CD8 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5CD8 contains 23 α-helices and 18 β-strands across 6 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: 4 helices, 3 β-strands

ElementResiduesLengthSheet
α-helix156-16712
β-strand17211
α-helix174-18512
α-helix195-2017
β-strand205-20951
β-strand215-21951
α-helix220-2223
Chain B: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix149-1513
α-helix156-16712
β-strand17211
α-helix174-18512
α-helix195-1995
β-strand206-20941
β-strand215-21841
Chain C: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix156-16712
β-strand17212
α-helix174-18512
α-helix188-1892
α-helix195-2006
β-strand205-20952
β-strand215-21952
Chain D: 5 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix150-1523
α-helix156-16611
β-strand17212
α-helix174-18512
α-helix188-1892
α-helix195-1995
β-strand206-20942
β-strand215-21842
Chain E: 3 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix156-16712
β-strand17213
α-helix174-18411
α-helix195-2017
β-strand205-20953
β-strand215-21953
Chain F: 3 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix156-16712
β-strand17213
α-helix174-18512
α-helix195-1995
β-strand205-20953
β-strand215-21953

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Maternal effect protein oskarA, B, C, D, E, Fprotein93Drosophila melanogasterP25158 (AlphaFold model)
Sequence of entity 1 (A, B, C, D, E, F), FASTA
>5CD8_1 Maternal effect protein oskar (chains A, B, C, D, E, F)
GSREEYPDIDSEVRAILLSHAQNGITISSIKSEYRKLTGNPFPLHDNVTDFLLTIPNVTA
ECSESGKRIFNLKASLKNGHLLDMVLNQKERTS

Primary citation

Structure of Drosophila Oskar reveals a novel RNA binding protein. Yang, N., Yu, Z., Hu, M. et al. Proc Natl Acad Sci U S A (2015) 112:11541-11546. DOI 10.1073/pnas.1515568112 · PubMed

Other PDB entries of the same protein (UniProt P25158 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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