SMTL ID : 1fy8.1

CRYSTAL STRUCTURE OF THE DELTAILE16VAL17 RAT ANIONIC TRYPSINOGEN-BPTI COMPLEX

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

hetero-oligomer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: E.60, N.62, V.65, E.67, E.70 6 PLIP interactions: 5 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.60, A:N.62, A:V.65, A:E.67, A:E.70, H2O.1

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

SO4.2: 4 residues within 4Å: Chain B: F.4, E.7, K.41, R.42 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:R.42 Water bridges: B:F.4, B:N.43 Salt bridges: B:R.42 SO4.3: 3 residues within 4Å: Chain B: R.20, Y.35, A.40 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:Y.35 Water bridges: B:R.20, B:R.20, B:A.40, B:K.46, B:K.46 Salt bridges: B:R.20, B:K.46 SO4.4: 5 residues within 4Å: Chain A: K.51 Chain B: I.18, I.19, R.20, K.46 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B Water bridges: A:Y.30, A:Y.30 Salt bridges: A:K.51, B:R.20

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pasternak, A. et al., The energetic cost of induced fit catalysis: Crystal structures of trypsinogen mutants with enhanced activity and inhibitor affinity. Protein Sci. (2001)

Release Date

2000-11-08

Peptides

TRYPSIN II, ANIONIC: A
PANCREATIC TRYPSIN INHIBITOR: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
I

TRYPSIN II, ANIONIC

PANCREATIC TRYPSIN INHIBITOR

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