SMTL ID : 8db4.1 (1 other biounit)

Crystal structure of the peanut allergen Ara h 2 bound by two neutralizing antibodies 22S1 and 13T1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

hetero-1-1-1-1-1-mer

Ligands

5 x ZN: ZINC ION(Non-covalent)

ZN.1: 3 residues within 4Å: Chain A: R.19, D.73, H.80 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.73, A:D.73, A:H.80, H2O.2 ZN.2: 2 residues within 4Å: Chain B: D.153, H.191 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.153, B:H.191, H2O.5 ZN.4: 2 residues within 4Å: Chain D: D.185, H.189 2 PLIP interactions: 2 interactions with chain D Metal complexes: D:D.185, D:H.189 ZN.5: 3 residues within 4Å: Chain C: H.172 Chain D: N.137, N.138 2 PLIP interactions: 1 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:H.172, H2O.7 ZN.6: 3 residues within 4Å: Chain E: H.20, S.57, H.59 1 PLIP interactions: 1 interactions with chain E Metal complexes: E:H.20

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

EDO.3: 6 residues within 4Å: Chain B: Q.37, K.39, R.45, F.62, E.81, D.82 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.37, B:K.39, B:R.45, B:E.81

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

LaHood, N.A. et al., Immunotherapy-induced neutralizing antibodies disrupt allergen binding and sustain allergen tolerance in peanut allergy. J.Clin.Invest. (2023)

Release Date

2023-01-25

Peptides

13T1 Heavy chain: A
13T1 Light chain: B
22S1 Heavy chain: C
22S1 Light chain: D
Ara h 2 allergen: E

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

13T1 Heavy chain

13T1 Light chain

22S1 Heavy chain

22S1 Light chain

Ara h 2 allergen

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