SMTL ID : 2r6g.1

The Crystal Structure of the E. coli Maltose Transporter

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

hetero-2-1-1-1-mer

Ligands

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

GLC-GLC.1: 11 residues within 4Å: Chain D: T.291, Y.325, S.329, N.376, L.379, G.380, Y.383, S.433, F.436, N.437, N.440 4 PLIP interactions: 4 interactions with chain D Hydrogen bonds: D:Y.325, D:S.329, D:N.437, D:N.440

2 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.2: 19 residues within 4Å: Chain A: W.13, V.18, P.37, S.38, G.39, C.40, G.41, K.42, S.43, T.44, Q.82, Q.159, H.192 Chain B: R.129, A.133, S.135, G.136, G.137, Q.138 23 PLIP interactions: 17 interactions with chain A, 6 interactions with chain B Hydrogen bonds: A:P.37, A:G.39, A:G.39, A:C.40, A:G.41, A:K.42, A:S.43, A:S.43, A:T.44, A:T.44, A:Q.82, A:Q.159, B:R.129, B:R.129, B:S.135, B:G.137, B:Q.138, B:Q.138 Salt bridges: A:K.42, A:K.42, A:H.192 pi-Stacking: A:W.13, A:W.13 ATP.3: 19 residues within 4Å: Chain A: L.126, R.129, A.133, S.135, G.137, Q.138 Chain B: W.13, V.18, P.37, S.38, G.39, C.40, G.41, K.42, S.43, T.44, Q.82, Q.159, H.192 25 PLIP interactions: 17 interactions with chain B, 8 interactions with chain A Hydrogen bonds: B:P.37, B:S.38, B:G.39, B:G.39, B:C.40, B:G.41, B:K.42, B:S.43, B:T.44, B:T.44, B:Q.82, B:Q.159, A:R.129, A:R.129, A:S.135, A:G.136, A:G.137, A:Q.138, A:Q.138, A:N.163 Salt bridges: B:K.42, B:K.42, B:H.192 pi-Stacking: B:W.13, B:W.13

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Oldham, M.L. et al., Crystal structure of a catalytic intermediate of the maltose transporter. Nature (2007)

Release Date

2007-11-27

Peptides

Maltose/maltodextrin import ATP-binding protein malK: AB
Maltose-binding periplasmic protein: C
Maltose transport system permease protein malF: D
Maltose transport system permease protein malG: E

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
E

D
F

E
G

Membrane

We predict this structure to be a membrane protein.
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Maltose/maltodextrin import ATP-binding protein malK

Maltose-binding periplasmic protein

Maltose transport system permease protein malF

Maltose transport system permease protein malG

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