SMTL ID : 6udc.1

Spectroscopic and structural characterization of a genetically encoded direct sensor for protein-ligand interactions

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-tetramer

Ligands

4 x BTN: BIOTIN(Non-covalent)

BTN.1: 18 residues within 4Å: Chain A: N.12, L.14, S.16, Y.32, S.34, V.36, G.37, N.38, A.39, W.68, A.75, S.77, T.79, W.81, W.97, X.99, D.117 Chain D: W.109 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:A.39, A:W.68, A:W.68, A:W.68 Hydrogen bonds: A:N.12, A:S.16, A:S.34, A:N.38, A:S.77, A:S.77, A:D.117 BTN.2: 17 residues within 4Å: Chain B: N.12, L.14, S.16, Y.32, S.34, V.36, G.37, N.38, A.39, W.68, A.75, S.77, T.79, W.97, X.99, D.117 Chain C: W.109 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:A.39, B:W.68, B:W.68, B:W.68 Hydrogen bonds: B:N.12, B:S.16, B:Y.32, B:S.34, B:N.38, B:N.38, B:S.77, B:D.117 BTN.3: 18 residues within 4Å: Chain B: W.109 Chain C: N.12, L.14, S.16, Y.32, S.34, V.36, G.37, N.38, A.39, W.68, A.75, S.77, T.79, W.81, W.97, X.99, D.117 12 PLIP interactions: 12 interactions with chain C Hydrophobic interactions: C:A.39, C:W.68, C:W.68, C:W.68 Hydrogen bonds: C:N.12, C:S.16, C:Y.32, C:S.34, C:N.38, C:S.77, C:S.77, C:D.117 BTN.4: 18 residues within 4Å: Chain A: W.109 Chain D: N.12, L.14, S.16, Y.32, S.34, V.36, G.37, N.38, A.39, W.68, A.75, S.77, T.79, W.81, W.97, X.99, D.117 10 PLIP interactions: 10 interactions with chain D Hydrophobic interactions: D:A.39, D:W.68, D:W.68, D:W.68 Hydrogen bonds: D:N.12, D:S.16, D:S.34, D:N.38, D:S.77, D:D.117

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gleason, P.R. et al., Structural Origins of Altered Spectroscopic Properties upon Ligand Binding in Proteins Containing a Fluorescent Noncanonical Amino Acid. Biochemistry (2021)

Release Date

2020-09-23

Peptides

Streptavidin: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Streptavidin

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