SMTL ID : 9hij.1

X-ray structure of Perm1, a circularly permuted mutant of the sweet protein MNEI

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

homo-dimer

Ligands

1 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.1: 4 residues within 4Å: Chain A: S.17, D.18 Chain B: T.84, N.86 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:S.17, A:D.18, B:N.86

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 10 residues within 4Å: Chain A: Q.11, Y.13, R.22, V.43, P.44 Chain B: Q.11, Y.13, R.22, V.43, P.44 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:V.43 Hydrogen bonds: B:Y.13, A:Y.13 Salt bridges: B:R.22, A:R.22

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 2 residues within 4Å: Chain A: E.53, E.55 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.53, A:E.55, H2O.1, H2O.1, H2O.1

1 x P6G: HEXAETHYLENE GLYCOL(Non-functional Binders)

P6G.4: 6 residues within 4Å: Chain A: Y.15, D.18 Chain B: I.59, N.86, K.87, I.89 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:K.87

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lucignano, R. et al., Unravelling the amyloid aggregation mechanism of the sweet protein Monellin: Insights from circular permutated mutants. Int.J.Biol.Macromol. (2025)

Release Date

2025-04-02

Peptides

Monellin chain A,Monellin chain B: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Monellin chain A,Monellin chain B