Family: C1 set domains (antibody constant domain-like)

Lineage:

1. Root: scop
2. Class: All beta proteins [48724]
3. Fold: Immunoglobulin-like beta-sandwich [48725]
4. Superfamily: Immunoglobulin [48726]
5. Family: C1 set domains (antibody constant domain-like) [48942]

Protein Domains:

1. Immunoglobulin (constant domains of L and H chains) [48972]
   1. Fab C3, neutralizing type 1 poliovirus, (mouse), kappa L chain [49017] (1)