SMTL ID : 4b53.1

Crystal structure of the isolated IgG4 CH3 domain

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

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

EDO.1: 7 residues within 4Å: Chain A: A.37, E.39, S.85, V.86, M.87, Y.95 Ligands: PEG.5 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.85 Water bridges: A:E.39, A:E.39 EDO.2: 3 residues within 4Å: Chain A: Q.6, V.7, K.98 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:V.7, A:K.98 EDO.3: 2 residues within 4Å: Chain A: I.36, M.87 1 PLIP interactions: 1 interactions with chain A Water bridges: A:E.89 EDO.9: 6 residues within 4Å: Chain B: A.37, E.39, S.85, V.86, M.87, Y.95 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:S.85 Water bridges: B:Y.95 EDO.10: 4 residues within 4Å: Chain B: I.36, A.37, M.87, H.88 1 PLIP interactions: 1 interactions with chain B Water bridges: B:E.89

4 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.4: 4 residues within 4Å: Chain A: N.20, D.72, K.73, S.74 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.74, A:S.74 PEG.5: 3 residues within 4Å: Chain A: E.39, E.41 Ligands: EDO.1 No protein-ligand interaction detected (PLIP) PEG.7: 0 residues within 4Å: (No contacts) 1 PLIP interactions: 1 interactions with chain A Water bridges: A:N.80 PEG.11: 7 residues within 4Å: Chain B: E.4, P.5, Q.6, V.7, Y.8, L.91, K.98 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:V.7, B:K.98 Water bridges: B:E.4, B:E.4, A:K.19

1 x TRS: 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL(Non-functional Binders)

TRS.6: 2 residues within 4Å: Chain A: N.93, H.94 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.93, A:H.94

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

ACT.8: 5 residues within 4Å: Chain B: E.41, S.42, N.43, G.44, S.83 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.43, B:G.44, B:S.83

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Davies, A.M. et al., Crystal Structure of the Human Igg4 C(H)3 Dimer Reveals the Role of Arg409 in the Mechanism of Fab-Arm Exchange. Mol.Immunol. (2012)

Release Date

2012-12-05

Peptides

IG GAMMA-4 CHAIN C REGION: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

IG GAMMA-4 CHAIN C REGION