Honegger, A. and Plückthun, A.
The Influence of the Buried Glutamine or Glutamate Residue in Position 6 on the Structure of Immunoglobulin Variable Domains
J.Mol.Biol, 309 (2001)687-699

Jung, S., Spinelli, S., Schimmele, B., Honegger, A., Pugliese, L., Cambilleau, C. and Plückthun, A.
The importance of framework residues H6, H7 and H10 in antibody heavy chains: experimental evidence for a new structural subclassification of antibody VH domain
J.Mol.Biol., 309 (2001) 701-716