Lineage for Family a.61.1.3: Mason-Pfizer monkey virus matrix protein

1. Root: SCOPe 2.08

2. Class a: All alpha proteins [46456] (290 folds)

3. Fold a.61: Retroviral matrix proteins [47835] (1 superfamily) 4-5 helices; right-handed superhelix

4. Superfamily a.61.1: Retroviral matrix proteins [47836] (6 families) the 5th, C-terminal helix is missing in some of the member structures

5. Family a.61.1.3: Mason-Pfizer monkey virus matrix protein [47845] (1 protein) the C-terminal helix region is missing(?) automatically mapped to Pfam PF02337