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Figure 4 | Veterinary Research

Figure 4

From: The potential for immunoglobulins and host defense peptides (HDPs) to reduce the use of antibiotics in animal production

Figure 4

Three-dimensional representations of structures of chicken cathelicidin-2 (CATH-2), human cathelicidin LL-37, human defensin HBD-2, xenopus magainin-2 and the immunoglobulin IgG2a. Peptide chains are colored using a color gradient ranging from blue (N-terminus) to red (C-terminus). CATH-2 consists of a double helix separated by a hinge region, LL-37 and magainin-2 adopt a continuous helical structure and HBD-2 consists of an anti-parallel β-sheet structure. The IgG2a structure consists of an Fc fragment (blue/green), two ligand-binding Fab fragments (orange/yellow/green and red/green) and bound polysaccharide ligands NAG-FUC-NAG-BMA-MAN-NAG-GAL-MAN-NAG (blue) and NAG-FUL-NAG-BMA-MAN-NAG-GAL-MAN-NAG (green).

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