C-DOMAIN strands are colored according to the IMGT color menu for strand representation : A, B and C strands (orange), D strand (yellow), E, F and G strands (blue).
This image has been generated with the program RASMOL version 2.6 [1] from the PDB file 1dee [2], containing the atomic coordinates of the crystal structure of a Fab fragment of a human IgM antibody.
References:
[1] Sayle, R. and Milner-White, E.J. Trends Biochem. Sci., 20, 374 (1995).
[2] Graille, M. et al., Proc.Nat.Acad.Sci USA, 97, 5399-5404 (2000)