SMTL ID : 3e1z.1

Crystal structure of the parasite protesase inhibitor chagasin in complex with papain

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.86 Å

Oligo State

hetero-1-1-mer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: E.23, H.72, H.74 Ligands: FMT.3 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:E.23, A:E.23, A:H.72, A:H.74

10 x FMT: FORMIC ACID(Non-functional Binders)

FMT.2: 4 residues within 4Å: Chain A: P.92, W.93, T.94, G.95 No protein-ligand interaction detected (PLIP) FMT.3: 5 residues within 4Å: Chain A: E.23, F.58, H.72, H.74 Ligands: ZN.1 No protein-ligand interaction detected (PLIP) FMT.4: 6 residues within 4Å: Chain A: F.34, S.97, H.98, D.99 Chain B: N.18, G.20 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:R.91, A:S.97, A:D.99, B:N.18, B:N.18 FMT.6: 4 residues within 4Å: Chain B: S.124, N.127, Q.128, Y.208 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.127, B:Q.128 Water bridges: B:Q.128 FMT.7: 6 residues within 4Å: Chain B: E.52, Y.78, G.79, H.81, S.97, Y.103 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.97 FMT.8: 1 residues within 4Å: Chain B: R.98 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.98 Water bridges: B:S.97 FMT.9: 1 residues within 4Å: Chain B: W.7 No protein-ligand interaction detected (PLIP) FMT.10: 3 residues within 4Å: Chain B: Q.92, R.93, Y.94 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.93 FMT.11: 2 residues within 4Å: Chain B: V.150, K.190 No protein-ligand interaction detected (PLIP) FMT.12: 3 residues within 4Å: Chain B: I.40, R.41, G.43 2 PLIP interactions: 2 interactions with chain B Water bridges: B:G.43, B:G.43

1 x ACY: ACETIC ACID(Non-functional Binders)

ACY.5: 11 residues within 4Å: Chain A: N.29, T.31, T.32, G.66 Chain B: Q.19, C.22, G.23, S.24, C.25, D.158, H.159 6 PLIP interactions: 3 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:N.29, A:T.31, A:T.31, B:Q.19, B:C.25 Salt bridges: B:H.159

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Redzynia, I. et al., Crystal structure of the parasite inhibitor chagasin in complex with papain allows identification of structural requirements for broad reactivity and specificity determinants for target proteases. Febs J. (2009)

Release Date

2009-01-27

Peptides

Chagasin: A
Papain: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Chagasin

Papain

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