SMTL ID : 1tu6.1

Cathepsin K complexed with a ketoamide inhibitor

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

3 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 4 residues within 4Å: Chain A: N.18, G.185, E.186, N.187 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.18, A:E.186, A:N.187, A:N.187 SO4.2: 3 residues within 4Å: Chain A: K.147, G.148, K.173 2 PLIP interactions: 2 interactions with chain A Water bridges: A:V.149 Salt bridges: A:K.173 SO4.4: 4 residues within 4Å: Chain B: R.111, R.127, F.212, K.214 3 PLIP interactions: 3 interactions with chain B Salt bridges: B:R.111, B:R.127, B:K.214

2 x FSP: [1-(4-FLUOROBENZYL)CYCLOBUTYL]METHYL (1S)-1-[OXO(1H-PYRAZOL-5-YLAMINO)ACETYL]PENTYLCARBAMATE(Non-covalent)

FSP.3: 24 residues within 4Å: Chain A: Q.19, G.20, C.22, G.23, S.24, C.25, W.26, D.61, C.63, G.64, G.65, G.66, Y.67, A.134, N.161, H.162, W.184, L.209 Chain B: N.18, Q.21, Y.89, V.90, G.91, Q.92 14 PLIP interactions: 10 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:Y.67, A:A.134, A:L.209, B:N.18, B:Y.89 Hydrogen bonds: A:Q.19, A:C.25, A:G.66, A:N.161, A:W.184, B:Q.21, B:Q.21 pi-Stacking: A:Y.67 Halogen bonds: A:D.61 FSP.5: 21 residues within 4Å: Chain A: S.138 Chain B: Q.19, G.20, Q.21, C.22, G.23, S.24, C.25, W.26, D.61, C.63, G.64, G.65, G.66, Y.67, A.134, L.160, N.161, H.162, W.184, L.209 14 PLIP interactions: 10 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:Y.67, B:A.134, B:L.209 Hydrogen bonds: B:Q.19, B:C.25, B:G.66, B:N.161, B:H.162, B:W.184 pi-Stacking: B:Y.67 Water bridges: A:S.138, A:S.138, A:N.159, A:N.159

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Barrett, D.G. et al., Potent and selective P2-P3 ketoamide inhibitors of cathepsin K with improved pharmacokinetic properties via favorable P1', P1, and/or P3 substitutions. BIOORG.MED.CHEM.LETT. (2004)

Release Date

2004-09-21

Peptides

Cathepsin K: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Cathepsin K

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