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

THE GEOMETRY OF THE REACTIVE SITE AND OF THE PEPTIDE GROUPS IN TRYPSIN, TRYPSINOGEN AND ITS COMPLEXES WITH INHIBITORS

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

hetero-2-2-mer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 4 residues within 4Å: Chain A: E.58, N.60, V.63, E.68 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:N.60, A:V.63, A:E.68, H2O.3, H2O.4 CA.4: 4 residues within 4Å: Chain C: E.58, N.60, V.63, E.68 5 PLIP interactions: 3 interactions with chain C, 2 Ligand-Water interactions Metal complexes: C:N.60, C:V.63, C:E.68, H2O.8, H2O.10

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

SO4.2: 4 residues within 4Å: Chain B: F.4, E.7, K.41, R.42 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:E.7, B:R.42 Salt bridges: B:R.42 SO4.3: 5 residues within 4Å: Chain B: R.42 Chain C: S.74, K.75, K.95, N.229 5 PLIP interactions: 3 interactions with chain C, 2 interactions with chain B Hydrogen bonds: C:S.74 Salt bridges: C:K.75, C:K.95, B:R.42 Water bridges: B:D.3 SO4.5: 4 residues within 4Å: Chain D: F.4, E.7, K.41, R.42 3 PLIP interactions: 3 interactions with chain D Hydrogen bonds: D:E.7, D:R.42 Salt bridges: D:R.42 SO4.6: 5 residues within 4Å: Chain A: S.74, K.75, K.95, N.229 Chain D: R.42 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain D Hydrogen bonds: A:S.74 Salt bridges: A:K.75, A:K.95, D:R.42 Water bridges: D:D.3

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Marquart, M. et al., The Geometry of the Reactive Site and of the Peptide Groups in Trypsin, Trypsinogen and its Complexes with Inhibitors. Acta Crystallogr.,Sect.B (1983)

Release Date

1983-01-18

Peptides

TRYPSINOGEN: AC
TRYPSIN INHIBITOR: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
Z

C
Z

B
I

D
I

TRYPSINOGEN

TRYPSIN INHIBITOR

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