SMTL ID : 4phm.1

The Structural Basis of Differential Inhibition of Human Calpain by Indole and Phenyl alpha-Mercaptoacrylic Acids

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.03 Å

Oligo State

homo-dimer

Ligands

2 x 2UD: 3-(5-bromo-1H-indol-3-yl)-2-thioxopropanoic acid(Non-covalent)

2UD.1: 5 residues within 4Å: Chain A: V.32, W.73, K.77, Q.80, F.131 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:V.32, A:W.73, A:K.77, A:Q.80 Hydrogen bonds: A:W.73 2UD.6: 6 residues within 4Å: Chain B: V.32, H.36, W.73, K.77, Q.80, F.131 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:W.73, B:Q.80 Hydrogen bonds: B:K.77, B:K.77, B:Q.80 Salt bridges: B:H.36

8 x CA: CALCIUM ION(Non-covalent)

CA.2: 4 residues within 4Å: Chain A: A.14, D.17, E.19, E.24 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:A.14, A:E.19, A:E.24, A:E.24, H2O.2 CA.3: 6 residues within 4Å: Chain A: D.57, D.59, T.61, K.63, G.65, E.68 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.57, A:D.59, A:T.61, A:K.63, H2O.1 CA.4: 5 residues within 4Å: Chain A: D.87, D.89, S.91, T.93, E.98 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.87, A:D.89, A:T.93, A:E.98, H2O.2 CA.5: 4 residues within 4Å: Chain A: D.42, D.130, D.132, N.133 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.42, A:D.130, A:D.132, H2O.1, H2O.3 CA.7: 4 residues within 4Å: Chain B: A.14, D.17, E.19, E.24 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:A.14, B:D.17, B:E.19, B:E.24, H2O.3 CA.8: 5 residues within 4Å: Chain B: D.57, D.59, T.61, K.63, E.68 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.57, B:D.59, B:T.61, B:K.63, H2O.3 CA.9: 5 residues within 4Å: Chain B: D.87, D.89, S.91, T.93, E.98 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.87, B:S.91, B:E.98, B:E.98, H2O.4 CA.10: 4 residues within 4Å: Chain B: D.42, D.130, D.132, N.133 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.42, B:D.130, B:D.132, H2O.2, H2O.5

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Adams, S.E. et al., The structural basis of differential inhibition of human calpain by indole and phenyl alpha-mercaptoacrylic acids. J.Struct.Biol. (2014)

Release Date

2014-08-13

Peptides

Calpain small subunit 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Calpain small subunit 1

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