SMTL ID : 7pk4.1

Tick salivary cystatin Ricistatin in complex with cathepsin V

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.92 Å

Oligo State

hetero-1-1-mer

Ligands

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.1: 5 residues within 4Å: Chain A: R.9, V.14, T.15, P.16, Y.200 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.9, A:T.15, A:Y.200, A:Y.200

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

EDO.2: 4 residues within 4Å: Chain A: R.9, S.197, N.198, K.202 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.9, A:S.197, A:N.198 EDO.3: 5 residues within 4Å: Chain A: S.5, V.6, D.7, K.10, K.11 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.5, A:D.7, A:D.7 EDO.4: 3 residues within 4Å: Chain A: K.21, Q.22, V.93 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.21, A:Q.22, A:V.93 Water bridges: A:K.21 EDO.5: 4 residues within 4Å: Chain A: S.89, Y.90, K.100, R.102 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.85, A:K.100 Water bridges: A:R.102 EDO.7: 3 residues within 4Å: Chain B: Y.27, K.106, S.107 1 PLIP interactions: 1 interactions with chain B Water bridges: B:V.108 EDO.8: 2 residues within 4Å: Chain B: A.34, Q.35 No protein-ligand interaction detected (PLIP)

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.6: 3 residues within 4Å: Chain A: F.70, A.72, R.73 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.73 Water bridges: A:A.72

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Martins, L.A. et al., Protease-bound structure of Ricistatin provides insights into the mechanism of action of tick salivary cystatins in the vertebrate host. Cell.Mol.Life Sci. (2023)

Release Date

2022-12-14

Peptides

Cathepsin L2: A
Putative salivary cystatin: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Cathepsin L2

Putative salivary cystatin