3WNF: Cyclic hexapeptide CKIDNC

Cyclic hexapeptide CKIDNC in complex with HIV-1 integrase. Determined by X-ray diffraction at 1.45 Å resolution. Released 25 Dec 2013.

Method
X-ray diffraction
Resolution
1.45 Å
Organism
Human immunodeficiency virus type 1
Chains
4
Atoms
2,378
Mol. weight
36.74 kDa
Ligands
CD
Released
25 Dec 2013

Explore 3WNF in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3WNF contains 14 α-helices and 14 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: 7 helices, 5 β-strands

ElementResiduesLengthSheet
β-strand60-6891
β-strand71-7881
β-strand84-8961
α-helix94-10714
β-strand112-11431
α-helix119-1213
α-helix124-13310
β-strand13611
α-helix153-16513
α-helix166-1683
α-helix172-18514
α-helix196-20813
Chain B: 7 helices, 5 β-strands
ElementResiduesLengthSheet
β-strand60-6892
β-strand71-7882
β-strand84-8962
α-helix94-10714
β-strand112-11432
α-helix119-1213
α-helix124-13310
β-strand13612
α-helix154-16512
α-helix166-1683
α-helix172-18514
α-helix196-20712
Chains C and D: 0 helices, 2 β-strands
ElementResiduesLengthSheet
β-strand313
β-strand613

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Gag-Pol polyproteinA, Bprotein157Human immunodeficiency virus type 1P12497
CKIDNC peptideC, Dprotein8
Sequence of entity 1 (A, B), FASTA
>3WNF_1 Gag-Pol polyprotein (chains A, B)
SSPGIWQLDCTHLEGKVILVAVHVASGYIEAEVIPAETGQETAYFLLKLAGRWPVKTVHT
DNGSNFTGATVRAACDWAGIKQEDGIPYNPQSQGVIESMNKELKKIIGQVRDQAEHLKTA
VQMAVFIHNHKRKGGIGGYSAGERIVDIIATDIQTKE
Sequence of entity 2 (C, D), FASTA
>3WNF_2 CKIDNC peptide (chains C, D)
XCKIDNCX

Ligands and cofactors

IDNameFormulaCopies
CDCadmium ionCd4

Water and common crystallization additives (CL, SO4) are not listed.

Primary citation

Hexapeptide mimetics of LEDGF in complex with HIV-1 integrase. Northfield, S.E., Wielens, J., Headey, S.J. et al. To be published.

Other PDB entries of the same protein (UniProt P12497), best resolution first:

Browse structure collections

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