Lineage for Family f.1.2.1: Diphtheria toxin, middle domain
- Root: SCOPe 2.02
Class f: Membrane and cell surface proteins and peptides [56835] (57 folds) 
Fold f.1: Toxins' membrane translocation domains [56836] (5 superfamilies)
multi-helical domains of various folds which is thought to unfold in the membrane
Superfamily f.1.2: Diphtheria toxin, middle domain [56845] (1 family) 
Family f.1.2.1: Diphtheria toxin, middle domain [56846] (1 protein)
Protein:
Diphtheria toxin, middle domain [56847] (1 species)
contains globin-like fold with two additional helices at N-termini but has no counterpart to the first globin helix (A)Species Corynebacterium diphtheriae [TaxId:1717] [56848] (6 PDB entries)
More info for Family f.1.2.1: Diphtheria toxin, middle domain
Timeline for Family f.1.2.1: Diphtheria toxin, middle domain:
- Family f.1.2.1: Diphtheria toxin, middle domain first appeared (with stable ids) in SCOP 1.55
- Family f.1.2.1: Diphtheria toxin, middle domain appears in SCOPe 2.01
- Family f.1.2.1: Diphtheria toxin, middle domain appears in SCOPe 2.03
- Family f.1.2.1: Diphtheria toxin, middle domain appears in the current release, SCOPe 2.08