SMTL ID : 1stp.1

STRUCTURAL ORIGINS OF HIGH-AFFINITY BIOTIN BINDING TO STREPTAVIDIN

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-tetramer

Ligands

4 x BTN: BIOTIN(Non-covalent)

BTN.1: 17 residues within 4Å: Chain A: N.23, L.25, S.27, Y.43, S.45, V.47, G.48, N.49, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128 Chain C: W.120 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:W.79, A:W.79, A:L.110 Hydrogen bonds: A:N.23, A:S.27, A:Y.43, A:S.45, A:N.49, A:S.88, A:D.128 BTN.2: 17 residues within 4Å: Chain B: N.23, L.25, S.27, Y.43, S.45, V.47, G.48, N.49, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128 Chain D: W.120 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:W.79, B:W.79, B:L.110 Hydrogen bonds: B:N.23, B:S.27, B:S.45, B:N.49, B:S.88, B:D.128 BTN.3: 17 residues within 4Å: Chain A: W.120 Chain C: N.23, L.25, S.27, Y.43, S.45, V.47, G.48, N.49, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128 10 PLIP interactions: 10 interactions with chain C Hydrophobic interactions: C:W.79, C:W.79, C:L.110 Hydrogen bonds: C:N.23, C:S.27, C:Y.43, C:S.45, C:N.49, C:S.88, C:D.128 BTN.4: 17 residues within 4Å: Chain B: W.120 Chain D: N.23, L.25, S.27, Y.43, S.45, V.47, G.48, N.49, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128 9 PLIP interactions: 9 interactions with chain D Hydrophobic interactions: D:W.79, D:W.79, D:L.110 Hydrogen bonds: D:N.23, D:S.27, D:S.45, D:N.49, D:S.88, D:D.128

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Weber, P.C. et al., Structural origins of high-affinity biotin binding to streptavidin. Science (1989)

Release Date

1992-10-15

Peptides

STREPTAVIDIN COMPLEX WITH BIOTIN: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

STREPTAVIDIN COMPLEX WITH BIOTIN

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