Type: HH alpha-alpha
Class of length: 2
Class: 2.1 | Consensus Ramachandran - aabpaa
Class: 2.2 | Consensus Ramachandran - aalpaa
Class: 2.3 | Consensus Ramachandran - aappaa
Class: 2.4 | Consensus Ramachandran - aagpaa
Class: 2.5 | Consensus Ramachandran - aapbaa