SMTL ID : 2zpk.1 (1 other biounit)

Crystal structure of P20.1 Fab fragment in complex with its antigen peptide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

hetero-1-1-mer

Ligands

1 x PRO- ARG- GLY- TYR- PRO- GLY- GLN- VAL: Proteinase-activated receptor 4(Non-covalent)

PRO-ARG-GLY-TYR-PRO-GLY-GLN-VAL.1: 18 residues within 4Å: Chain A: T.31, S.32, Y.34, W.93, W.98 Chain B: T.30, T.31, A.32, G.33, Q.35, W.50, N.52, T.53, R.54, E.99, G.100, P.101, G.102 16 PLIP interactions: 10 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:P.101, A:Y.34, A:W.93, A:W.98 Hydrogen bonds: B:G.33, B:Q.35, B:T.53, B:T.53, B:T.53, B:R.54, B:E.99, B:E.99, B:G.102, A:S.32 pi-Stacking: A:W.93, A:W.93

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 5 residues within 4Å: Chain B: D.63, F.64, K.65, G.66, R.67 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:F.64, B:R.67, B:R.67

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nogi, T. et al., Novel affinity tag system using structurally defined antibody-tag interaction: application to single-step protein purification. Protein Sci. (2008)

Release Date

2008-12-23

Peptides

IgG1-lambda P20.1 Fab (light chain): A
IgG1-lambda P20.1 Fab (heavy chain): B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
L

B
H

IgG1-lambda P20.1 Fab (light chain)

IgG1-lambda P20.1 Fab (heavy chain)

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