SMTL ID : 3baj.1

Human Pancreatic Alpha-Amylase in Complex with Nitrate and Acarbose

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 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:N.461, A:N.461

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

ARE.2: 21 residues within 4Å: Chain A: W.58, W.59, Y.62, Q.63, H.101, G.104, Y.151, L.162, T.163, L.165, R.195, D.197, A.198, K.200, H.201, E.233, I.235, E.240, H.299, D.300, H.305 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:A.198 Hydrogen bonds: A:Q.63, A:H.101, A:R.195, A:K.200, A:H.201, A:E.233, A:E.233, A:E.240, A:H.299, A:D.300 Water bridges: A:N.105, A:K.200, A:E.233, A:N.298

1 x NO3: NITRATE ION(Non-functional Binders)

NO3.3: 7 residues within 4Å: Chain A: R.195, E.233, T.254, F.256, F.295, N.298, R.337 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:R.195, A:R.195, A:N.298, A:R.337, A:R.337 Water bridges: A:Q.41, A:H.299

1 x CA: CALCIUM ION(Non-covalent)

CA.4: 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.2, H2O.6

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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