SMTL ID : 3bx1.2 (2 other biounits)

Complex between the Barley alpha-Amylase/Subtilisin Inhibitor and the subtilisin Savinase

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

hetero-1-1-mer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 6 residues within 4Å: Chain A: Q.2, D.40, L.73, N.75, I.77, V.79 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.40, A:D.40, A:L.73, A:I.77, A:V.79 CA.10: 1 residues within 4Å: Chain B: V.153 5 PLIP interactions: 1 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:V.153, H2O.6, H2O.8, H2O.8, H2O.8

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

CL.2: 2 residues within 4Å: Chain A: P.5, W.6 Ligand excluded by PLIP CL.3: 4 residues within 4Å: Chain A: R.10, Q.176, N.177, N.178 Ligand excluded by PLIP CL.4: 3 residues within 4Å: Chain A: R.10, N.178, L.261 Ligand excluded by PLIP CL.5: 3 residues within 4Å: Chain A: Q.12, P.14, A.15 Ligand excluded by PLIP CL.6: 3 residues within 4Å: Chain A: Q.200, A.209, S.210 Ligand excluded by PLIP CL.7: 5 residues within 4Å: Chain A: N.153, G.213, T.214, S.215 Chain B: T.89 Ligand excluded by PLIP CL.11: 1 residues within 4Å: Chain B: R.106 Ligand excluded by PLIP CL.12: 1 residues within 4Å: Chain B: N.52 Ligand excluded by PLIP CL.13: 5 residues within 4Å: Chain B: H.39, R.41, C.43, P.44, F.46 Ligand excluded by PLIP

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

NA.8: 2 residues within 4Å: Chain A: N.198, S.210 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.198, A:S.210, A:S.210 NA.9: 5 residues within 4Å: Chain A: A.163, R.164, Y.165, A.168, D.191 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.164

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Micheelsen, P.O. et al., Structural and Mutational Analyses of the Interaction between the Barley alpha-Amylase/Subtilisin Inhibitor and the Subtilisin Savinase Reveal a Novel Mode of Inhibition. J.Mol.Biol. (2008)

Release Date

2008-07-08

Peptides

Subtilisin Savinase: A
Alpha-amylase/subtilisin inhibitor: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

Subtilisin Savinase

Alpha-amylase/subtilisin inhibitor

Related Entries With Identical Sequence