SMTL ID : 1tl9.1

High resolution crystal structure of calpain I protease core in complex with leupeptin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

monomer

Ligands

1 x ACE- LEU- LEU- AR7: leupeptin inhibitor(Non-covalent)

ACE-LEU-LEU-AR7.1: 16 residues within 4Å: Chain A: E.47, Q.84, G.88, D.89, C.90, W.91, S.181, G.182, G.183, T.185, S.226, L.235, E.236, G.246, H.247, A.248 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:A.248 Hydrogen bonds: A:Q.84, A:C.90, A:S.181, A:S.181, A:S.181, A:G.182, A:G.183, A:G.183, A:G.246, A:H.247 Water bridges: A:E.47 Salt bridges: A:E.47, A:E.236

2 x CA: CALCIUM ION(Non-covalent)

CA.2: 4 residues within 4Å: Chain A: V.74, G.76, D.81, E.160 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:V.74, A:D.81, A:E.160, H2O.1, H2O.4 CA.3: 6 residues within 4Å: Chain A: E.277, D.284, V.302, M.304, D.306, E.308 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.277, A:D.284, A:M.304, A:E.308, H2O.2

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Moldoveanu, T. et al., Crystal Structures of Calpain-E64 and -Leupeptin Inhibitor Complexes Reveal Mobile Loops Gating the Active Site. J.Mol.Biol. (2004)

Release Date

2004-11-02

Peptides

Calpain 1, large [catalytic] subunit: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Calpain 1, large [catalytic] subunit

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