SMTL ID : 3baw.1

Human pancreatic alpha-amylase complexed with azide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

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

NAG.1: 2 residues within 4Å: Chain A: N.459, N.461 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.461 Water bridges: A:G.460, 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: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:R.158, A:D.167, A:D.167, A:H.201, H2O.3

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

CL.3: 5 residues within 4Å: Chain A: R.195, T.254, F.256, N.298, 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:E.233, A:E.233, A:I.235 AZI.5: 5 residues within 4Å: Chain A: F.136, N.137, D.138, G.139, K.140 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:F.136, A:G.139, A:K.140 Water bridges: A:F.136

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

NA.6: 1 residues within 4Å: Chain A: E.233 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.197 Water bridges: A:R.195 NA.7: 1 residues within 4Å: Chain A: T.6 1 PLIP interactions: 1 interactions with chain A Water bridges: A:T.6 NA.8: 1 residues within 4Å: Chain A: K.227 No protein-ligand interaction detected (PLIP)

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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