SMTL ID : 6t31.1

Streptavidin variants harbouring an artificial organocatalyst based cofactor

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.35 Å

Oligo State

homo-tetramer

Ligands

4 x HL9: 5-[(3~{a}~{S},4~{S},6~{a}~{R})-2-oxidanylidene-1,3,3~{a},4,6,6~{a}-hexahydrothieno[3,4-d]imidazol-4-yl]-~{N}-(1-pyridin-4-ylpiperidin-4-yl)pentanamide(Non-covalent)

HL9.1: 21 residues within 4Å: Chain A: N.23, L.25, S.27, Y.43, S.45, A.47, G.48, K.49, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, F.112, Y.124, D.128 Chain C: W.120, Y.124 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:K.49, A:W.79, A:W.79, A:W.79, A:L.110, A:L.110, A:Y.124 Hydrogen bonds: A:N.23, A:S.27, A:Y.43, A:S.45, A:K.49, A:S.88, A:D.128 pi-Stacking: A:F.112 HL9.2: 21 residues within 4Å: Chain B: N.23, L.25, S.27, Y.43, S.45, A.47, G.48, K.49, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, F.112, Y.124, D.128 Chain D: W.120, Y.124 13 PLIP interactions: 13 interactions with chain B Hydrophobic interactions: B:W.79, B:W.79, B:W.79, B:L.110 Hydrogen bonds: B:N.23, B:S.27, B:Y.43, B:S.45, B:K.49, B:S.88, B:D.128 Water bridges: B:K.49 pi-Stacking: B:F.112 HL9.3: 21 residues within 4Å: Chain A: W.120, Y.124 Chain C: N.23, L.25, S.27, Y.43, S.45, A.47, G.48, K.49, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, F.112, Y.124, D.128 15 PLIP interactions: 15 interactions with chain C Hydrophobic interactions: C:K.49, C:W.79, C:W.79, C:W.79, C:L.110, C:L.110, C:Y.124 Hydrogen bonds: C:N.23, C:S.27, C:Y.43, C:S.45, C:K.49, C:S.88, C:D.128 pi-Stacking: C:F.112 HL9.4: 21 residues within 4Å: Chain B: W.120, Y.124 Chain D: N.23, L.25, S.27, Y.43, S.45, A.47, G.48, K.49, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, F.112, Y.124, D.128 13 PLIP interactions: 13 interactions with chain D Hydrophobic interactions: 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:K.49, D:S.88, D:D.128 Water bridges: D:K.49 pi-Stacking: D:F.112

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lechner, H. et al., An Artificial Cofactor Catalyzing the Baylis-Hillman Reaction with Designed Streptavidin as Protein Host*. Chembiochem (2021)

Release Date

2020-11-18

Peptides

Streptavidin: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
A

D
B

Streptavidin