SMTL ID : 3ci7.1

Crystal structure of a simplified BPTI containing 20 alanines

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.40 Å

Oligo State

homo-tetramer

Ligands

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 4 residues within 4Å: Chain A: R.20, Y.35, G.37, A.40 3 PLIP interactions: 3 interactions with chain A Water bridges: A:R.20, A:A.40 Salt bridges: A:R.20 SO4.2: 5 residues within 4Å: Chain A: A.30, Q.31, A.32 Chain B: Y.21 Chain D: Q.31 8 PLIP interactions: 1 interactions with chain D, 4 interactions with chain B, 3 interactions with chain A Hydrogen bonds: D:Q.31, B:Y.21, A:A.32 Water bridges: B:Y.21, B:Y.21, B:Y.21, A:Q.31, A:Q.31 SO4.3: 4 residues within 4Å: Chain B: R.20, Y.35, G.37, A.40 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Y.35 Water bridges: B:Y.35, B:R.39 Salt bridges: B:R.20 SO4.4: 2 residues within 4Å: Chain D: R.20, A.40 2 PLIP interactions: 2 interactions with chain D Water bridges: D:Y.35 Salt bridges: D:R.20

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Islam, M.M. et al., Crystal structure of an extensively simplified variant of bovine pancreatic trypsin inhibitor in which over one-third of the residues are alanines. Proc.Natl.Acad.Sci.Usa (2008)

Release Date

2008-10-21

Peptides

bovine pancreatic trypsin inhibitor: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

bovine pancreatic trypsin inhibitor