SMTL ID : 4khz.1

Crystal structure of the maltose-binding protein/maltose transporter complex in an pre-translocation conformation bound to maltoheptaose

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

hetero-1-1-1-2-mer

Ligands

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

GLC-GLC-GLC-GLC.1: 20 residues within 4Å: Chain A: N.12, D.14, K.15, K.42, E.44, E.45, W.62, A.63, D.65, R.66, E.111, E.153, P.154, Y.155, F.156, W.230, W.340, Y.341, R.344 Chain C: Q.256 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.44, A:R.344

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

GLC-GLC-GLC.2: 11 residues within 4Å: Chain B: T.291, Y.325, S.329, N.376, L.379, G.380, Y.383, S.433, F.436, N.437, N.440 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:Y.325, B:S.329, B:S.329, B:N.376, B:N.437, B:N.437 Water bridges: B:S.329, B:N.440

1 x PGV: (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE(Non-covalent)

PGV.3: 17 residues within 4Å: Chain B: F.293, A.297, V.298, V.301, C.304, L.305, W.308, P.410, F.411, N.413, F.414, F.415, L.419 Chain C: R.12, T.16, L.19, F.23 10 PLIP interactions: 9 interactions with chain B, 1 interactions with chain C Hydrophobic interactions: B:F.293, B:V.298, B:W.308, B:F.411, B:F.414, B:F.414, B:F.415, B:L.419, C:F.23 Hydrogen bonds: B:N.413

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Oldham, M.L. et al., Structural basis for substrate specificity in the Escherichia coli maltose transport system. Proc.Natl.Acad.Sci.USA (2013)

Release Date

2013-10-23

Peptides

Maltose-binding periplasmic protein: A
Maltose transport system permease protein MalF: B
Binding-protein-dependent transport systems inner membrane component: C
Binding-protein-dependent transport systems inner membrane component: DE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
F

C
G

D
A

E
B

Membrane

We predict this structure to be a membrane protein.
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Maltose-binding periplasmic protein

Maltose transport system permease protein MalF

Binding-protein-dependent transport systems inner membrane component

Binding-protein-dependent transport systems inner membrane component

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