- A: few secondary structure elements
- X: Disulfide-rich domain in A Disintegrin And Metalloprotease (ADAM) domain-containing proteins
- H: Disulfide-rich domain in A Disintegrin And Metalloprotease (ADAM) domain-containing proteins
- T: Disulfide-rich domain in A Disintegrin And Metalloprotease (ADAM) domain-containing proteins
- F: ADAMTS_CR_3