Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/1BM3 1BM3: IMMUNOGLOBULIN OPG2 FAB-PEPTIDE COMPLEX IMMUNOGLOBULIN OPG2 FAB, CONSTANT DOMAINIMMUNOGLOBULIN OPG2 FAB, VARIABLE DOMAIN immunoglobulinfabpeptidecomplex