SMTL ID : 1viw.1 (1 other biounit)

TENEBRIO MOLITOR ALPHA-AMYLASE-INHIBITOR COMPLEX

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

hetero-2-2-mer

Ligands

4 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 7 residues within 4Å: Chain B: D.63, T.64, N.65, R.136, S.199, F.200, S.201 No protein-ligand interaction detected (PLIP) NAG-NAG.2: 9 residues within 4Å: Chain B: N.12, K.13, T.14, S.26 Chain D: S.54, T.55, E.170, D.173, W.174 No protein-ligand interaction detected (PLIP) NAG-NAG.5: 7 residues within 4Å: Chain D: D.63, T.64, N.65, R.136, S.199, F.200, S.201 No protein-ligand interaction detected (PLIP) NAG-NAG.6: 9 residues within 4Å: Chain B: S.54, T.55, E.170, D.173, W.174 Chain D: N.12, K.13, T.14, S.26 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:E.170

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

CL.3: 4 residues within 4Å: Chain A: R.183, L.243, N.285, R.321 Ligand excluded by PLIP CL.7: 4 residues within 4Å: Chain C: R.183, L.243, N.285, R.321 Ligand excluded by PLIP

2 x CA: CALCIUM ION(Non-covalent)

CA.4: 6 residues within 4Å: Chain A: N.98, H.131, R.146, D.155, L.156, H.189 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:R.146, A:D.155, A:D.155, A:H.189 CA.8: 6 residues within 4Å: Chain C: N.98, H.131, R.146, D.155, L.156, H.189 4 PLIP interactions: 4 interactions with chain C Metal complexes: C:R.146, C:D.155, C:D.155, C:H.189

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nahoum, V. et al., A plant-seed inhibitor of two classes of alpha-amylases: X-ray analysis of Tenebrio molitor larvae alpha-amylase in complex with the bean Phaseolus vulgaris inhibitor. Acta Crystallogr.,Sect.D (1999)

Release Date

1999-07-22

Peptides

ALPHA-AMYLASE: AC
ALPHA-AMYLASE-INHIBITOR: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

B
B

D
B

ALPHA-AMYLASE

ALPHA-AMYLASE-INHIBITOR

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