Table 2 Exemplary mutations and molecular consequences of the 6 genetic classes.

From: Prognostication and Risk Factors for Cystic Fibrosis via Automated Machine Learning

Genetic class

Molecular consequence

Class I

No functional protein produced

Class II

Diminished protein processing

Class III

Defective gating

Class IV

Decreased conductance

Class V

Abnormal splicing

Class VI

Decreased cell surface stability

Genetic class

Mutations

Class I

G542X, W1282X, 1717-1G → A

Class II

N1303K, ΔF508, A455E

Class III

G551D, R117H, ΔF508

Class IV

R117H, R347H, R347P, R334W

Class V

621 + 1G → T, 3849 + 10kbC → T, 2789 + 5G → A

Class VI

ΔF508