Two of the three proteins, Vma12p and Vma22p, form a complex that binds transiently to Vph1p (subunit a) to aid its assembly and maturation.
Kaks valku kolmest, Vma12 ja Vma22p, moodustavad kompleksi, mis seondub ajutiselt Vph1p-ga (alaühik a), et abistada selle kokkupanemist ja maturatsiooni.