SMTL ID : 1qi4.1

MUTANT (E219G) MALTOTETRAOSE-FORMING EXO-AMYLASE IN COMPLEX WITH MALTOTETRAOSE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

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

GLC-GLC-GLC-GLC.1: 16 residues within 4Å: Chain A: W.25, W.66, Y.78, F.79, H.117, F.156, I.157, G.158, D.160, A.161, R.191, D.193, F.194, H.293, D.294, Q.305 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.158, A:G.159 Water bridges: A:R.120

2 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: N.116, D.151, D.154, D.162, G.197 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.151, A:D.151, A:D.154, A:G.197, H2O.2 CA.3: 5 residues within 4Å: Chain A: D.1, Q.2, H.13, D.16, E.17 6 PLIP interactions: 6 interactions with chain A Metal complexes: A:D.1, A:Q.2, A:H.13, A:H.13, A:D.16, A:E.17

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hasegawa, K. et al., Roles of catalytic residues in alpha-amylases as evidenced by the structures of the product-complexed mutants of a maltotetraose-forming amylase. Protein Eng. (1999)

Release Date

1999-11-24

Peptides

PROTEIN (EXO-MALTOTETRAOHYDROLASE): A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

PROTEIN (EXO-MALTOTETRAOHYDROLASE)