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

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

Coordinates

PDB Format

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 18 PLIP interactions: 10 interactions with chain B, 8 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:R.54, B:E.99, B:E.99, B:E.99, B:G.102, A:S.32 Water bridges: A:Y.34, A:Y.34 pi-Stacking: A:W.93, A:W.93

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 7 residues within 4Å: Chain A: V.146, V.147, T.148, T.199, H.200, E.201, G.202 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.201, A:E.201, A:G.202 GOL.3: 6 residues within 4Å: Chain A: E.126 Chain B: S.123, V.124, Y.125, V.209, K.211 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:V.124, B:K.211

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
M

B
I

IgG1-lambda P20.1 Fab (light chain)

IgG1-lambda P20.1 Fab (heavy chain)

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