During Evaluation of a Couple for Infertility, It Turns Out

During evaluation of a couple for infertility, it turns out that the male partner has a normal sperm count, but his sperm cells are totally immotile.He also has a history of recurrent bronchitis and sinusitis, and when he was a child, the pediatrician had told his mother that his heart was not on the left but on the right side.Abnormalities in which protein could possibly account for these problems?

A) Vinculin.
B) Dynein.
C) Connexin.
D) Cadherin.
E) β-Catenin.