SMTL ID : 5t78.2 (1 other biounit)

Crystal structure of therapeutic mAB AR20.5 in complex with MUC1 peptide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

hetero-1-1-mer

Ligands

1 x PRO- ASP- THR- ARG- PRO- ALA- PRO: MUC1 Glycopeptide(Non-covalent)

PRO-ASP-THR-ARG-PRO-ALA-PRO.1: 24 residues within 4Å: Chain A: H.31, N.33, K.35, Y.37, E.39, Y.41, Y.54, R.55, K.58, F.94, G.96, V.99, W.101 Chain B: S.35, W.47, Y.50, N.57, Y.59, Q.99, Y.100, Y.101, G.102, F.103 Ligands: NGA.2 20 PLIP interactions: 12 interactions with chain A, 8 interactions with chain B Hydrophobic interactions: A:Y.37, A:V.99, A:W.101, B:Y.50, B:Y.59, B:Y.59, B:Y.100 Hydrogen bonds: A:K.35, A:Y.37, A:Y.41, A:Y.41, B:N.57, B:Q.99, B:Y.100 Salt bridges: A:K.35, A:E.39, A:R.55, A:K.58 pi-Cation interactions: A:W.101, B:F.103

1 x NGA: 2-acetamido-2-deoxy-beta-D-galactopyranose(Non-covalent)

NGA.2: 9 residues within 4Å: Chain A: N.33, K.35, Y.37 Chain B: P.33, Y.100 Ligands: PRO-ASP-THR-ARG-PRO-ALA-PRO.1, PRO-ASP-THR-ARG-PRO-ALA-PRO.1, PRO-ASP-THR-ARG-PRO-ALA-PRO.1, PRO-ASP-THR-ARG-PRO-ALA-PRO.1 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Movahedin, M. et al., Glycosylation of MUC1 influences the binding of a therapeutic antibody by altering the conformational equilibrium of the antigen. Glycobiology (2017)

Release Date

2017-01-11

Peptides

Fab fragment AR20.5 - Light Chain: A
Fab Fragment - AR20.5 - Heavy chain: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Fab fragment AR20.5 - Light Chain

Fab Fragment - AR20.5 - Heavy chain

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