SMTL ID : 3mam.1

A molecular switch changes the low to the high affinity state in the substrate binding protein AfProX

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

monomer

Ligands

1 x BET: TRIMETHYL GLYCINE(Non-covalent)

BET.1: 8 residues within 4Å: Chain A: F.10, Y.58, T.61, D.104, A.106, Y.185, Y.209 Ligands: EPE.4 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.104, A:A.106 Salt bridges: A:D.104 pi-Cation interactions: A:Y.58

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

EDO.2: 2 residues within 4Å: Chain A: Q.266 Ligands: EDO.3 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.266 Water bridges: A:Q.266 EDO.3: 5 residues within 4Å: Chain A: T.240, F.262, E.265, Q.266 Ligands: EDO.2 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.265, A:Q.266 EDO.5: 1 residues within 4Å: Chain A: K.153 No protein-ligand interaction detected (PLIP) EDO.6: 5 residues within 4Å: Chain A: Y.171, A.184, Y.185, D.188, R.190 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:Y.171, A:Y.185, A:D.188, A:R.190 Water bridges: A:R.190 EDO.7: 2 residues within 4Å: Chain A: L.67, R.68 1 PLIP interactions: 1 interactions with chain A Water bridges: A:L.67 EDO.8: 1 residues within 4Å: Chain A: E.26 2 PLIP interactions: 2 interactions with chain A Water bridges: A:E.26, A:K.270 EDO.9: 4 residues within 4Å: Chain A: K.85, L.89, V.95, V.96 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.85, A:V.96

1 x EPE: 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID(Non-functional Binders)

EPE.4: 8 residues within 4Å: Chain A: F.10, N.11, E.12, D.104, Y.185, T.187, N.245 Ligands: BET.1 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:N.11, A:N.11 Water bridges: A:T.40 Salt bridges: A:E.12, A:D.104, A:D.104

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tschapek, B. et al., Arg149 Is Involved in Switching the Low Affinity, Open State of the Binding Protein AfProX into Its High Affinity, Closed State. J.Mol.Biol. (2011)

Release Date

2011-04-06

Peptides

Osmoprotection protein (ProX): A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Osmoprotection protein (ProX)