SMTL ID : 1v6d.1

The crystal structure of the trypsin complex with synthetic heterochiral peptide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

1 x PRO- ASP- AIB- LEU- AIB- LEU- ALA: PD(AIB)L(AIB)LA(Non-covalent)

PRO-ASP-AIB-LEU-AIB-LEU-ALA.1: 6 residues within 4Å: Chain A: Q.47, R.49, F.64, N.66 Ligands: TBF.4, NME.5 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.47, A:N.66

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: E.52, N.54, V.57, E.59, E.62 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.52, A:N.54, A:E.59, A:E.62, H2O.1

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.3: 6 residues within 4Å: Chain A: F.24, C.25, H.40, Q.174, G.175, S.177 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:G.175, A:S.177, A:S.177 Salt bridges: A:H.40

1 x TBF: TERT-BUTYL FORMATE(Non-covalent)

TBF.4: 5 residues within 4Å: Chain A: R.49 Ligands: PRO-ASP-AIB-LEU-AIB-LEU-ALA.1, PRO-ASP-AIB-LEU-AIB-LEU-ALA.1, PRO-ASP-AIB-LEU-AIB-LEU-ALA.1, PRO-ASP-AIB-LEU-AIB-LEU-ALA.1 No protein-ligand interaction detected (PLIP)

1 x NME: METHYLAMINE(Non-functional Binders)

NME.5: 1 residues within 4Å: Ligands: PRO-ASP-AIB-LEU-AIB-LEU-ALA.1 2 PLIP interactions: 2 interactions with chain A Water bridges: A:I.46, A:A.67

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shamaladevi, N. et al., Secondary binding site of trypsin: revealed by crystal structure of trypsin-peptide complex. J.Biomol.Struct.Dyn. (2005)

Release Date

2004-12-07

Peptides

Trypsin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Trypsin

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