Table 1 PDB designations associated with each

Protein family	First protein PDB	Second protein PDB
Isocitrate Dehydrogenase	1T09^a	1XGV^a
Pectate Lyase	1PLU	2BSP
Polygalacturonase	1CZF^a	1HG8
Hemopexin Repeats	1QHU^b	1QHU^c

^aChain A of the protein
^bResidues 56-134.
^cResidues 263-353

Table 1: PDB designations associated with each protein family.