SMTL ID : 2nqi.1

Calpain 1 proteolytic core inactivated by WR13(R,R), an epoxysuccinyl-type inhibitor.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.04 Å

Oligo State

monomer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: V.74, G.76, D.81, Q.157, E.160 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:G.76, A:D.81, A:E.160, A:E.160, H2O.2 CA.2: 5 residues within 4Å: Chain A: E.277, D.284, M.304, D.306, E.308 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.277, A:D.284, A:M.304, A:D.306, A:E.308

1 x NQI: N~2~-[(2S)-2-{[(2R)-4-ETHOXY-2-HYDROXY-4-OXOBUTANOYL]AMINO}PENT-4-ENOYL]-L-ARGINYL-L-TRYPTOPHANAMIDE(Covalent)

NQI.3: 14 residues within 4Å: Chain A: Q.84, L.87, G.88, D.89, C.90, W.91, S.181, G.182, G.183, S.226, G.246, H.247, A.248, W.273 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:A.248, A:W.273 Hydrogen bonds: A:Q.84, A:C.90, A:S.181, A:G.183, A:G.246 Salt bridges: A:H.247

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cuerrier, D. et al., Development of Calpain-specific Inactivators by Screening of Positional Scanning Epoxide Libraries. J.Biol.Chem. (2007)

Release Date

2007-01-09

Peptides

Calpain-1 catalytic subunit: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Calpain-1 catalytic subunit

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