SMTL ID : 7ffw.1

The crystal structure of a domain-swapped dimeric maltodextrin-binding protein MalE from Salmonella enterica

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

homo-dimer

Ligands

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

GLC-GLC-GLC-GLC-GLC.1: 21 residues within 4Å: Chain A: W.230, M.330, W.340, Y.341, R.344 Chain B: 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 Ligands: GOL.5 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:K.42, A:R.344 GLC-GLC-GLC-GLC-GLC.6: 21 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 Chain B: W.230, M.330, W.340, Y.341, R.344 Ligands: GOL.10 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:K.42, B:R.344

2 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.2: 4 residues within 4Å: Chain A: Q.310, K.313, D.314, P.315 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:K.313, A:D.314 MPD.7: 4 residues within 4Å: Chain B: Q.310, K.313, D.314, P.315 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:K.313, B:D.314

2 x 2ME: METHOXYETHANE(Non-covalent)

2ME.3: 4 residues within 4Å: Chain A: V.302, M.321 Chain B: Y.90, F.92 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:Y.90 2ME.8: 4 residues within 4Å: Chain A: Y.90, F.92 Chain B: V.302, M.321 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:Y.90

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 7 residues within 4Å: Chain A: Y.176, I.329, M.330, P.331, N.332 Chain B: D.95, A.96 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:Y.176, A:N.332, A:N.332, B:D.95 Water bridges: A:N.332 GOL.5: 5 residues within 4Å: Chain A: Y.341 Chain B: K.42, E.45 Ligands: GLC-GLC-GLC-GLC-GLC.1, GLC-GLC-GLC-GLC-GLC.1 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:Y.341, B:K.42 GOL.9: 7 residues within 4Å: Chain A: D.95, A.96 Chain B: Y.176, I.329, M.330, P.331, N.332 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:N.332, B:N.332, A:D.95 Water bridges: B:N.332 GOL.10: 5 residues within 4Å: Chain A: K.42, E.45 Chain B: Y.341 Ligands: GLC-GLC-GLC-GLC-GLC.6, GLC-GLC-GLC-GLC-GLC.6 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:K.42, B:Y.341, B:Y.341

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wang, L. et al., Crystal structure of the domain-swapped dimeric maltodextrin-binding protein MalE from Salmonella enterica. Acta Crystallogr D Struct Biol (2022)

Release Date

2021-09-15

Peptides

Maltodextrin-binding protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Maltodextrin-binding protein

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