SMTL ID : 3rdm.2 (1 other biounit)

Crystal structure of R7-2 streptavidin complexed with biotin/PEG

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

homo-tetramer

Ligands

4 x 1PE: PENTAETHYLENE GLYCOL(Non-functional Binders)

1PE.1: 15 residues within 4Å: Chain A: N.36, L.38, S.40, Y.56, S.58, V.60, G.61, N.62, W.92, S.101, T.123, S.125, D.141 Chain C: W.133 Ligands: BTN.2 8 PLIP interactions: 6 interactions with chain A, 2 interactions with chain C Hydrogen bonds: A:N.36, A:S.40, A:S.40, A:Y.56, A:S.58, A:N.62 Water bridges: C:K.134, C:K.134 1PE.3: 15 residues within 4Å: Chain B: N.36, L.38, S.40, Y.56, S.58, V.60, G.61, N.62, W.92, S.101, T.123, S.125, D.141 Chain D: W.133 Ligands: BTN.4 7 PLIP interactions: 5 interactions with chain B, 2 interactions with chain D Hydrogen bonds: B:N.36, B:S.40, B:S.40, B:S.58, B:N.62 Water bridges: D:K.134, D:K.134 1PE.5: 15 residues within 4Å: Chain A: W.133 Chain C: N.36, L.38, S.40, Y.56, S.58, V.60, G.61, N.62, W.92, S.101, T.123, S.125, D.141 Ligands: BTN.6 8 PLIP interactions: 6 interactions with chain C, 2 interactions with chain A Hydrogen bonds: C:N.36, C:S.40, C:S.40, C:Y.56, C:S.58, C:N.62 Water bridges: A:K.134, A:K.134 1PE.7: 15 residues within 4Å: Chain B: W.133 Chain D: N.36, L.38, S.40, Y.56, S.58, V.60, G.61, N.62, W.92, S.101, T.123, S.125, D.141 Ligands: BTN.8 7 PLIP interactions: 5 interactions with chain D, 2 interactions with chain B Hydrogen bonds: D:N.36, D:S.40, D:S.40, D:S.58, D:N.62 Water bridges: B:K.134, B:K.134

4 x BTN: BIOTIN(Non-covalent)

BTN.2: 17 residues within 4Å: Chain A: N.36, L.38, S.40, Y.56, S.58, V.60, G.61, N.62, W.92, S.101, S.103, W.105, V.121, T.123, D.141 Chain C: W.133 Ligands: 1PE.1 12 PLIP interactions: 11 interactions with chain A, 1 interactions with chain C Hydrophobic interactions: A:W.92, A:W.92, A:W.92, C:W.133 Hydrogen bonds: A:N.36, A:S.40, A:Y.56, A:S.58, A:N.62, A:S.101, A:S.101, A:D.141 BTN.4: 17 residues within 4Å: Chain B: N.36, L.38, S.40, Y.56, S.58, V.60, G.61, N.62, W.92, S.101, S.103, W.105, V.121, T.123, D.141 Chain D: W.133 Ligands: 1PE.3 11 PLIP interactions: 10 interactions with chain B, 1 interactions with chain D Hydrophobic interactions: B:W.92, B:W.92, B:W.92, D:W.133 Hydrogen bonds: B:N.36, B:S.40, B:S.58, B:N.62, B:S.101, B:S.101, B:D.141 BTN.6: 17 residues within 4Å: Chain A: W.133 Chain C: N.36, L.38, S.40, Y.56, S.58, V.60, G.61, N.62, W.92, S.101, S.103, W.105, V.121, T.123, D.141 Ligands: 1PE.5 12 PLIP interactions: 11 interactions with chain C, 1 interactions with chain A Hydrophobic interactions: C:W.92, C:W.92, C:W.92, A:W.133 Hydrogen bonds: C:N.36, C:S.40, C:Y.56, C:S.58, C:N.62, C:S.101, C:S.101, C:D.141 BTN.8: 17 residues within 4Å: Chain B: W.133 Chain D: N.36, L.38, S.40, Y.56, S.58, V.60, G.61, N.62, W.92, S.101, S.103, W.105, V.121, T.123, D.141 Ligands: 1PE.7 11 PLIP interactions: 10 interactions with chain D, 1 interactions with chain B Hydrophobic interactions: D:W.92, D:W.92, D:W.92, B:W.133 Hydrogen bonds: D:N.36, D:S.40, D:S.58, D:N.62, D:S.101, D:S.101, D:D.141

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Magalhaes, M.L. et al., Evolved streptavidin mutants reveal key role of loop residue in high-affinity binding. Protein Sci. (2011)

Release Date

2011-07-06

Peptides

Streptavidin: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

Streptavidin

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