SMTL ID : 3rlf.1

Crystal structure of the maltose-binding protein/maltose transporter complex in an outward-facing conformation bound to MgAMPPNP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

hetero-1-1-1-2-mer

Ligands

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

GLC-GLC.1: 10 residues within 4Å: Chain B: T.291, Y.325, N.376, L.379, G.380, Y.383, S.433, F.436, N.437, N.440 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.437 Water bridges: B:N.440, B:N.440

1 x UMQ: UNDECYL-MALTOSIDE(Non-covalent)

UMQ.2: 9 residues within 4Å: Chain A: K.26, D.30, N.282, Y.283, T.286, E.288, G.289 Chain B: R.170, R.202 9 PLIP interactions: 3 interactions with chain A, 6 interactions with chain B Hydrophobic interactions: A:Y.283, A:E.288 Water bridges: A:D.82, B:N.121, B:F.122, B:R.202 Hydrogen bonds: B:R.170, B:R.202 Salt bridges: B:R.202

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

PGV.3: 19 residues within 4Å: Chain B: F.293, V.296, V.301, L.302, C.304, L.305, Q.307, W.308, Y.400, P.410, F.411, N.413, F.414, F.415, L.419 Chain C: R.12, T.16, L.19, F.23 14 PLIP interactions: 11 interactions with chain B, 3 interactions with chain C Hydrophobic interactions: B:F.293, B:V.296, B:L.302, B:L.305, B:F.411, B:F.414, B:F.415, B:L.419, C:L.19, C:F.23 Hydrogen bonds: B:Q.307, B:W.308, B:N.413 Salt bridges: C:R.12 PGV.4: 4 residues within 4Å: Chain B: Y.63, R.66, Y.67 Chain C: A.101 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain C Hydrophobic interactions: B:Y.63, B:Y.67, C:A.101 PGV.5: 4 residues within 4Å: Chain C: W.56, W.59, K.60, L.63 5 PLIP interactions: 5 interactions with chain C Hydrophobic interactions: C:W.56, C:W.59, C:W.59, C:W.59, C:L.63 PGV.6: 4 residues within 4Å: Chain C: T.105, W.200, L.208, P.209 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:T.105, C:W.200

2 x MG: MAGNESIUM ION(Non-covalent)

MG.7: 4 residues within 4Å: Chain D: S.43, Q.82, D.158 Ligands: ANP.8 3 PLIP interactions: 1 interactions with chain D, 2 Ligand-Water interactions Metal complexes: D:S.43, H2O.8, H2O.8 MG.9: 4 residues within 4Å: Chain E: S.43, Q.82, E.159 Ligands: ANP.10 3 PLIP interactions: 1 interactions with chain E, 2 Ligand-Water interactions Metal complexes: E:S.43, H2O.11, H2O.11

2 x ANP: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER(Non-covalent)

ANP.8: 21 residues within 4Å: Chain D: W.13, V.18, S.38, G.39, C.40, G.41, K.42, S.43, T.44, Q.82, E.159, H.192 Chain E: L.126, R.129, A.133, L.134, S.135, G.136, G.137, Q.138 Ligands: MG.7 26 PLIP interactions: 17 interactions with chain D, 9 interactions with chain E Hydrogen bonds: D:G.39, D:G.39, D:C.40, D:G.41, D:K.42, D:K.42, D:K.42, D:S.43, D:S.43, D:T.44, D:Q.82, D:Q.82, D:Q.82, D:E.159, E:R.129, E:S.135, E:G.136, E:G.137, E:Q.138, E:Q.138, E:Q.138 Water bridges: D:E.159, D:E.159, E:R.129, E:R.129 pi-Stacking: D:W.13 ANP.10: 20 residues within 4Å: Chain D: L.126, R.129, A.133, S.135, G.136, G.137, Q.138 Chain E: W.13, V.18, S.38, G.39, C.40, G.41, K.42, S.43, T.44, Q.82, E.159, H.192 Ligands: MG.9 26 PLIP interactions: 9 interactions with chain D, 17 interactions with chain E Hydrogen bonds: D:R.129, D:S.135, D:G.136, D:G.137, D:Q.138, D:Q.138, D:Q.138, D:N.163, E:G.39, E:G.39, E:C.40, E:G.41, E:K.42, E:K.42, E:K.42, E:S.43, E:T.44, E:T.44, E:Q.82 Water bridges: D:R.129, E:S.43, E:S.43, E:S.43, E:Q.82 pi-Stacking: E:W.13, E:W.13

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Oldham, M.L. et al., Snapshots of the maltose transporter during ATP hydrolysis. Proc.Natl.Acad.Sci.USA (2011)

Release Date

2011-08-10

Peptides

Maltose-binding periplasmic protein: A
Maltose transport system permease protein malF: B
Maltose transport system permease protein malG: C
Maltose/maltodextrin import ATP-binding protein MalK: 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

Maltose transport system permease protein malG

Maltose/maltodextrin import ATP-binding protein MalK

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