SMTL ID : 3t6l.1

Y54F mutant of core streptavidin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.30 Å

Oligo State

homo-tetramer

Ligands

4 x CL: CHLORIDE ION(Non-functional Binders)

CL.1: 5 residues within 4Å: Chain A: G.22, A.23, D.24, G.25, A.26 Ligand excluded by PLIP CL.3: 5 residues within 4Å: Chain B: G.22, A.23, D.24, G.25, A.26 Ligand excluded by PLIP CL.5: 5 residues within 4Å: Chain C: G.22, A.23, D.24, G.25, A.26 Ligand excluded by PLIP CL.7: 5 residues within 4Å: Chain D: G.22, A.23, D.24, G.25, A.26 Ligand excluded by PLIP

4 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.2: 7 residues within 4Å: Chain A: Q.83, N.93, T.94, Q.95 Chain D: A.107, S.110, T.111 6 PLIP interactions: 2 interactions with chain D, 1 interactions with chain B, 3 interactions with chain A Hydrogen bonds: D:S.110, D:T.111, A:Q.83, A:Q.95 Water bridges: B:H.115, A:T.94 EDO.4: 7 residues within 4Å: Chain B: Q.83, N.93, T.94, Q.95 Chain C: A.107, S.110, T.111 5 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A, 1 interactions with chain C Hydrogen bonds: B:Q.83, B:Q.95, C:S.110 Water bridges: B:T.94, A:H.115 EDO.6: 7 residues within 4Å: Chain B: A.107, S.110, T.111 Chain C: Q.83, N.93, T.94, Q.95 6 PLIP interactions: 3 interactions with chain C, 1 interactions with chain D, 2 interactions with chain B Hydrogen bonds: C:Q.83, C:Q.95, B:S.110, B:T.111 Water bridges: C:T.94, D:H.115 EDO.8: 7 residues within 4Å: Chain A: A.107, S.110, T.111 Chain D: Q.83, N.93, T.94, Q.95 5 PLIP interactions: 3 interactions with chain D, 1 interactions with chain C, 1 interactions with chain A Hydrogen bonds: D:Q.83, D:Q.95, A:S.110 Water bridges: D:T.94, C:H.115

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Baugh, L. et al., Second-Contact Shell Mutation Diminishes Streptavidin-Biotin Binding Affinity through Transmitted Effects on Equilibrium Dynamics. Biochemistry (2012)

Release Date

2011-12-21

Peptides

Streptavidin: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

Streptavidin

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