SMTL ID : 4ekv.1

Streptavidin 8-aa-loop H127C mutein with reversible biotin binding

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 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, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:A.50, A:W.79, A:W.79, A:W.79, A:L.110 Hydrogen bonds: A:N.23, A:S.27, A:S.45, A:N.49, A:S.88, A:S.88, A:D.128 BTN.3: 17 residues within 4Å: Chain B: N.23, L.25, S.27, Y.43, S.45, V.47, G.48, N.49, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:A.50, B:W.79, 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:S.88, B:D.128 BTN.5: 17 residues within 4Å: Chain C: N.23, L.25, S.27, Y.43, S.45, V.47, G.48, N.49, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128 13 PLIP interactions: 13 interactions with chain C Hydrophobic interactions: C:A.50, C:W.79, 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:S.88, C:D.128 BTN.7: 17 residues within 4Å: Chain D: N.23, L.25, S.27, Y.43, S.45, V.47, G.48, N.49, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128 13 PLIP interactions: 13 interactions with chain D Hydrophobic interactions: D:A.50, D:W.79, D:W.79, D:W.79, D:L.110 Hydrogen bonds: D:N.23, D:S.27, D:Y.43, D:S.45, D:N.49, D:S.88, D:S.88, D:D.128

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

CL.2: 5 residues within 4Å: Chain A: G.34, A.35, D.36, G.37, A.38 Ligand excluded by PLIP CL.4: 5 residues within 4Å: Chain B: G.34, A.35, D.36, G.37, A.38 Ligand excluded by PLIP CL.6: 5 residues within 4Å: Chain C: G.34, A.35, D.36, G.37, A.38 Ligand excluded by PLIP CL.8: 5 residues within 4Å: Chain D: G.34, A.35, D.36, G.37, A.38 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

O'Sullivan, V.J. et al., Development of a tetrameric streptavidin mutein with reversible biotin binding capability: engineering a mobile loop as an exit door for biotin. Plos One (2012)

Release Date

2012-06-13

Peptides

Streptavidin: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

Streptavidin