SMTL ID : 3bay.1

N298S Variant of Human Pancreatic Alpha-Amylase in Complex with Nitrate and Acarbose

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.99 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 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.461

1 x ARE: ACARBOSE DERIVED PENTASACCHARIDE(Non-covalent)

ARE.2: 22 residues within 4Å: Chain A: W.58, W.59, Y.62, Q.63, H.101, G.104, Y.151, L.162, T.163, G.164, L.165, R.195, D.197, A.198, K.200, H.201, E.233, I.235, E.240, H.299, D.300, H.305 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:A.198 Hydrogen bonds: A:Q.63, A:G.164, A:R.195, A:A.198, A:K.200, A:H.201, A:E.233, A:E.233, A:D.300, A:D.300 Water bridges: A:K.200, A:E.233 Salt bridges: A:H.201

1 x CA: CALCIUM ION(Non-covalent)

CA.3: 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 NO3: NITRATE ION(Non-functional Binders)

NO3.4: 6 residues within 4Å: Chain A: R.195, E.233, T.254, F.256, F.295, R.337 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.195, A:R.195, A:R.337, A:R.337

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

Related Entries With Identical Sequence