SMTL ID : 6syq.1

ASR Alternansucrase in complex with isomaltotriose

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

hetero-1-1-mer

Ligands

1 x GLC- GLC- GLC: alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose

GLC-GLC-GLC.1: 6 residues within 4Å: Chain A: T.547, Q.551, N.554, S.564, Y.568, D.571 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.547, A:Y.568, A:D.571

2 x GLC- GLC: alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose(Non-covalent)

GLC-GLC.2: 9 residues within 4Å: Chain A: Y.92, T.100, Q.121, Q.129, K.131, N.147, T.148 Chain B: T.59 Ligands: GLC.5 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:T.100, A:Q.121, A:Q.129, A:Q.129, A:K.131, A:T.148 GLC-GLC.3: 7 residues within 4Å: Chain B: T.458, S.461, Q.462, N.465, S.475, Y.479, D.482 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:T.458, B:S.461, B:Y.479, B:D.482

2 x CA: CALCIUM ION(Non-covalent)

CA.4: 4 residues within 4Å: Chain A: E.440, D.446, N.490, D.1024 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.440, A:E.440, A:D.446, A:N.490, A:D.1024 CA.6: 4 residues within 4Å: Chain B: E.351, D.357, N.401, D.935 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:E.351, B:D.357, B:D.357, B:N.401, B:D.935

2 x GLC: alpha-D-glucopyranose(Non-covalent)

GLC.5: 3 residues within 4Å: Chain A: D.117 Ligands: GLC-GLC.2, GLC.7 No protein-ligand interaction detected (PLIP) GLC.7: 6 residues within 4Å: Chain B: Y.3, T.11, Q.32, K.42, T.59 Ligands: GLC.5 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:T.11, B:Q.32, B:K.42, B:T.59 Salt bridges: B:K.42

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Molina, M. et al., A specific oligosaccharide-binding site in the alternansucrase catalytic domain mediates alternan elongation. J.Biol.Chem. (2020)

Release Date

2020-06-17

Peptides

Alternansucrase: A
Alternansucrase: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Alternansucrase

Alternansucrase