During centriole duplication, plays a role in the centriole elongation by promoting the recruitment of the microtubule-binding elongation machinery through its interaction with TTTN, leading to the centriole to centrosome conversion (By similarity). In addition may play a role in the primary cilia assembly (PubMed:32628936). Interacts with PPP1CA; this interaction mediates the PPP1CA phosphatase activity inhibition. Interacts with RTTN; this interaction allows the mutual recruitment to the centriole. Recruited to the nascent daughter centriole early in the duplication cycle and localizes to the proximal centriolar lumen just above the cartwheel. Co-localizes with RTTN at the centriole. Expressed throughout much of the embryo at E7.5, in mesoderm and ectoderm-derived structures at E8.5, and throughout much of the embryo at E9.5 but is absent in the extra-embryonic visceral endoderm (VE) at all stages. Mice homozygous embryos for the Ppp1r35 gene are lethal during early embryogenesis (PubMed:32628936). Homozygous embryos are capable of initiating and completing gastrulation as well as specifying the anterior/posterior and the dorsal/ventral axis, but exhibit a developmental delays which are the result in the failure to progress past E8.5-9.0 (PubMed:32628936). Belongs to the PPP1R35 family.