SMTL ID : 1tlo.1

High resolution crystal structure of calpain I protease core in complex with E64

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: V.74, D.75, G.76, D.81, E.160 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:V.74, A:G.76, A:D.81, A:E.160, H2O.1 CA.2: 5 residues within 4Å: Chain A: E.277, D.284, M.304, D.306, E.308 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.277, A:E.277, A:D.284, A:E.308, H2O.1

1 x E64: N-[N-[1-HYDROXYCARBOXYETHYL-CARBONYL]LEUCYLAMINO-BUTYL]-GUANIDINE(Covalent)

E64.3: 13 residues within 4Å: Chain A: Q.84, G.88, D.89, C.90, W.91, G.182, G.183, C.184, E.187, S.226, G.246, H.247, A.248 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:W.91, A:A.248 Hydrogen bonds: A:Q.84, A:C.90, A:G.182, A:G.183, A:G.183, A:G.183, A:G.246 Salt bridges: A:E.187, A:H.247

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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