SMTL ID : 1mep.1

Crystal Structure of Streptavidin Double Mutant S45A/D128A with Biotin: Cooperative Hydrogen-Bond Interactions in the Streptavidin-Biotin System.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.65 Å

Oligo State

homo-tetramer

Ligands

4 x BTN: BIOTIN(Non-covalent)

BTN.1: 15 residues within 4Å: Chain A: N.11, L.13, S.15, Y.31, V.35, G.36, N.37, W.67, A.74, S.76, T.78, W.80, W.96, L.98 Chain D: W.108 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:W.67, A:W.67, A:A.74, A:L.98 Hydrogen bonds: A:N.11, A:S.15, A:Y.31, A:V.35, A:N.37, A:S.76, A:S.76 Water bridges: A:Y.31, A:Y.31 BTN.2: 17 residues within 4Å: Chain B: N.11, L.13, S.15, Y.31, A.33, V.35, G.36, N.37, A.38, W.67, A.74, S.76, T.78, W.80, W.96, L.98 Chain C: W.108 14 PLIP interactions: 14 interactions with chain B Hydrophobic interactions: B:A.38, B:W.67, B:W.67, B:W.67, B:A.74, B:L.98 Hydrogen bonds: B:N.11, B:S.15, B:Y.31, B:Y.31, B:V.35, B:N.37, B:S.76, B:S.76 BTN.3: 14 residues within 4Å: Chain B: W.108 Chain C: N.11, L.13, S.15, Y.31, V.35, G.36, N.37, W.67, A.74, S.76, T.78, W.96, L.98 13 PLIP interactions: 12 interactions with chain C, 1 interactions with chain B Hydrophobic interactions: C:W.67, C:W.67, C:W.67, C:L.98, B:W.108 Hydrogen bonds: C:N.11, C:S.15, C:Y.31, C:Y.31, C:V.35, C:N.37, C:S.76, C:S.76 BTN.4: 16 residues within 4Å: Chain A: W.108 Chain D: N.11, S.15, Y.31, A.33, V.35, G.36, N.37, A.38, W.67, A.74, S.76, T.78, W.80, W.96, L.98 14 PLIP interactions: 14 interactions with chain D Hydrophobic interactions: D:A.38, D:W.67, D:W.67, D:W.67, D:A.74, D:L.98 Hydrogen bonds: D:N.11, D:S.15, D:V.35, D:N.37, D:S.76, D:S.76 Water bridges: D:Y.31, D:W.80

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hyre, D.E. et al., Cooperative hydrogen bond interactions in the streptavidin-biotin system. Protein Sci. (2006)

Release Date

2003-09-02

Peptides

Streptavidin: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Streptavidin