SMTL ID : 2qpu.1 (2 other biounits)

Sugar tongs mutant S378P in complex with acarbose

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

monomer

Ligands

4 x CA: CALCIUM ION(Non-covalent)(Non-functional Binders)

CA.1: 5 residues within 4Å: Chain A: N.92, D.139, A.142, D.149, G.184 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.139, A:D.139, A:A.142, A:G.184, H2O.2 CA.2: 5 residues within 4Å: Chain A: E.109, T.112, S.113, D.114, D.118 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.109, A:T.112, A:D.114, A:D.118, H2O.2 CA.3: 6 residues within 4Å: Chain A: D.128, D.143, F.144, A.147, P.148, D.149 6 PLIP interactions: 5 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.128, A:D.143, A:F.144, A:A.147, A:D.149, H2O.5 CA.4: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

1 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.5: 1 residues within 4Å: Chain A: K.404 No protein-ligand interaction detected (PLIP)

2 x QPU: 1,5-anhydro-4-O-(4,6-dideoxy-4-{[(1S,2S,3S,4R,5S,6R)-2,3,4,6-tetrahydroxy-5-methylcyclohexyl]amino}-alpha-D-glucopyranosyl)-D-glucitol(Non-covalent)

QPU.6: 8 residues within 4Å: Chain A: Y.380, T.392, H.395, G.396, D.398, Y.399, A.400, W.402 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:Y.380, A:D.381, A:G.383, A:T.392, A:T.392, A:D.398, A:D.398, A:Y.399 Water bridges: A:K.375, A:D.398 Salt bridges: A:H.395 QPU.7: 5 residues within 4Å: Chain A: Q.227, V.230, D.234, W.278, W.279 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:W.279, A:W.279 Hydrogen bonds: A:Q.227, A:Q.227, A:D.234 Water bridges: A:Q.227, A:D.234

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bozonnet, S. et al., The 'pair of sugar tongs' site on the non-catalytic domain C of barley alpha-amylase participates in substrate binding and activity. Febs J. (2007)

Release Date

2008-07-01

Peptides

Alpha-amylase type A isozyme: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Alpha-amylase type A isozyme

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