SMTL ID : 6ycc.2 (1 other biounit)

Structure the ananain protease from Ananas comosus covalently bound to the E64 inhibitor

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.30 Å

Oligo State

monomer

Ligands

1 x E64: N-[N-[1-HYDROXYCARBOXYETHYL-CARBONYL]LEUCYLAMINO-BUTYL]-GUANIDINE(Covalent)

E64.1: 18 residues within 4Å: Chain A: Q.19, G.23, S.24, C.25, W.26, Y.60, K.63, G.64, G.65, W.66, I.67, A.132, L.133, L.155, N.156, H.157, A.158, W.180 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:Y.60, A:W.66, A:A.132, A:A.158 Hydrogen bonds: A:Q.19, A:G.23, A:G.23, A:C.25, A:W.26, A:G.65, A:G.65, A:N.156 Water bridges: A:H.157 Salt bridges: A:H.157 pi-Cation interactions: A:Y.60

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

SO4.2: 4 residues within 4Å: Chain A: K.39, G.43, N.44, L.45 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:L.45 Water bridges: A:G.11, A:K.39 Salt bridges: A:K.39 SO4.3: 3 residues within 4Å: Chain A: G.93, T.94, K.96 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:T.94, A:T.94, A:T.94 Water bridges: A:K.96, A:K.96 Salt bridges: A:K.96

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 6 residues within 4Å: Chain A: K.17, N.18, F.28, E.50, A.83, Y.88 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.18, A:E.50 Water bridges: A:K.17, A:E.50 GOL.5: 6 residues within 4Å: Chain A: W.7, S.10, G.11, A.12, K.39, I.40 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.10, A:I.40 Water bridges: A:K.39

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Azarkan, M. et al., Structures of the free and inhibitors-bound forms of bromelain and ananain from Ananas comosus stem and in vitro study of their cytotoxicity. Sci Rep (2020)

Release Date

2020-11-25

Peptides

Ananain: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Ananain

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