SMTL ID : 3bax.1

N298S Variant of Human Pancreatic Alpha-Amylase in Complex with Azide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.1: 3 residues within 4Å: Chain A: N.459, G.460, N.461 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.460 Water bridges: A:N.461

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 4 residues within 4Å: Chain A: N.100, R.158, D.167, H.201 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:R.158, A:D.167, A:H.201, H2O.3, H2O.15

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.3: 4 residues within 4Å: Chain A: R.195, T.254, F.256, R.337 Ligand excluded by PLIP

2 x AZI: AZIDE ION(Non-covalent)

AZI.4: 7 residues within 4Å: Chain A: A.198, S.199, K.200, H.201, E.233, V.234, I.235 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:K.200, A:E.233, A:I.235 Water bridges: A:K.200, A:H.201 AZI.5: 5 residues within 4Å: Chain A: F.136, N.137, D.138, G.139, K.140 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.139, A:K.140 Water bridges: A:D.138

3 x NA: SODIUM ION(Non-functional Binders)

NA.6: 2 residues within 4Å: Chain A: D.197, E.233 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.233 Water bridges: A:R.195 NA.7: 0 residues within 4Å: (No contacts) 3 PLIP interactions: 3 interactions with chain A Water bridges: A:S.3, A:S.3, A:T.6 NA.8: 2 residues within 4Å: Chain A: Q.1, K.227 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.227

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Maurus, R. et al., Alternative catalytic anions differentially modulate human alpha-amylase activity and specificity. Biochemistry (2008)

Release Date

2008-03-25

Peptides

Pancreatic alpha-amylase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Pancreatic alpha-amylase

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