SMTL ID : 3pgf.1

Crystal structure of maltose bound MBP with a conformationally specific synthetic antigen binder (sAB)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

hetero-1-1-1-mer

Ligands

1 x GLC- GLC: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose(Non-covalent)

GLC-GLC.1: 16 residues within 4Å: Chain A: N.43, D.45, K.46, W.93, A.94, D.96, R.97, E.142, E.184, P.185, Y.186, F.187, W.261, M.361, W.371 Ligands: IMD.3 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:W.93, A:R.97, A:R.97, A:Y.186 Water bridges: A:E.75

2 x IMD: IMIDAZOLE(Non-covalent)

IMD.2: 4 residues within 4Å: Chain A: Y.48, N.49, D.327, K.328 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.327 pi-Cation interactions: A:K.328 IMD.3: 6 residues within 4Å: Chain A: E.76, E.184, W.371, Y.372, R.375 Ligands: GLC-GLC.1 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:E.184 Water bridges: A:E.75, A:R.97 pi-Cation interactions: A:R.97, A:R.375

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 12 residues within 4Å: Chain B: F.176, P.177, V.179, S.187, L.188, S.189 Chain C: Q.161, E.162, S.163, S.177, S.178, T.179 6 PLIP interactions: 3 interactions with chain C, 3 interactions with chain B Hydrogen bonds: C:Q.161, C:S.163, C:T.179, B:S.187, B:S.189, B:S.189 GOL.5: 5 residues within 4Å: Chain C: Q.38, L.48, P.60, R.62, F.63 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:R.62 Water bridges: C:Q.38, C:D.83

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rizk, S.S. et al., Allosteric control of ligand-binding affinity using engineered conformation-specific effector proteins. Nat.Struct.Mol.Biol. (2011)

Release Date

2011-03-09

Peptides

Maltose-binding periplasmic protein: A
SAB Heavy Chain: B
SAB Light Chain: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
H

C
L

Maltose-binding periplasmic protein

SAB Heavy Chain

SAB Light Chain

Related Entries With Identical Sequence