SMTL ID : 3iut.1

The Crystal Structure of Cruzain in Complex with a Tetrafluorophenoxymethyl Ketone Inhibitor

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.20 Å

Oligo State

monomer

Ligands

1 x KB2: (3S)-3-(4-{(1S)-1,2-dimethyl-1-[(quinolin-6-ylmethyl)amino]propyl}-1H-1,2,3-triazol-1-yl)heptan-2-one(Covalent)

KB2.1: 15 residues within 4Å: Chain A: Q.19, G.23, S.24, C.25, W.26, S.61, C.63, S.64, G.65, G.66, L.67, L.160, D.161, H.162, G.163 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:L.67, A:L.67 Hydrogen bonds: A:Q.19, A:C.25, A:G.66, A:G.66

4 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.2: 5 residues within 4Å: Chain A: Y.84, T.103, S.104, G.105, H.106 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.105, A:H.106, A:H.106 EDO.3: 4 residues within 4Å: Chain A: V.13, T.14, A.15, Y.193 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.14, A:V.16 EDO.4: 4 residues within 4Å: Chain A: C.101, T.102, T.103, S.104 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.103, A:S.104, A:S.104 Water bridges: A:T.103 EDO.5: 5 residues within 4Å: Chain A: D.18, Q.19, G.20, S.183, W.184 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:G.20

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Brak, K. et al., Nonpeptidic tetrafluorophenoxymethyl ketone cruzain inhibitors as promising new leads for chagas disease chemotherapy. J.Med.Chem. (2010)

Release Date

2010-03-02

Peptides

Cruzipain: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Cruzipain