Fold: N-cbl like

4 helices; bundle, left-handed twist; left-handed superhelix

Lineage:

1. Root: scop
2. Class: All alpha proteins
3. Fold: N-cbl like
   4 helices; bundle, left-handed twist; left-handed superhelix

Superfamilies:

1. N-terminal domain of cbl (N-cbl) (1)
2. Transferrin receptor ectodomain, C-terminal domain (1)
3. Conserved domain common to transcription factors TFIIS, elongin A, CRSP70 (1)