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Representation of part of an immunoglobulin:
Fc Fragment

IgG1 proteolytic cleavage by the papain gives two Fab fragments and a Fc (Fragment cristallizable) fragment.
Fc fragment is composed of two identical, disulfide-linked peptides containing the heavy chain CH2 and CH3 domains.

The corresponding PDB (Protein Data Bank) format file is from Mike's immunoglobulin structure function site (

See also:

  • Representation of part of an immunoglobulin: Fab fragment

    Created: 28/06/2001
    Last updated: Monday, 20-Jan-2020 21:00:18 CET
    Author: Marie-Paule Lefranc
    Editors: Elodie Foulquier, Chantal Ginestoux