Fold: Long alpha-hairpin

2 helices; antiparallel hairpin, left-handed twist

Lineage:

1. Root: scop
2. Class: All alpha proteins
3. Fold: Long alpha-hairpin
   2 helices; antiparallel hairpin, left-handed twist

Superfamilies:

1. GreA transcript cleavage protein, N-terminal domain (1)
2. Ribosomal protein L29 (L29p) (1)
3. Chaperone J-domain (1)
4. Theta subunit of DNA polymerase III (1)
   fold is similar to the chaperone J-domain ?
5. Prefoldin (1)
6. Effector domain of the protein kinase pkn/prk1 (1)
7. A class II aminoacyl-tRNA synthetase N-domain (2)
8. Eukaryotic DNA topoisomerase I, dispensable insert domain (1)
9. C-terminal domain of UvrB (1)
10. Epsilon subunit of F1F0-ATP synthase C-terminal domain (1)
11. Fe,Mn superoxide dismutase (SOD), N-terminal domain (1)