The function of IFT43 (intraflagellar transport 43, ENSG00000119650) is as follows. As a component of IFT complex A (IFT-A), a complex required for retrograde ciliary transport and entry into cilia of G protein- coupled receptors (GPCRs), it is involved in ciliogenesis (PubMed:28400947, PubMed:28973684). Involved in retrograde ciliary transport along microtubules from the ciliary tip to the base (PubMed:21378380). {ECO:0000269|PubMed:21378380, ECO:0000269|PubMed:28400947, ECO:0000269|PubMed:28973684}.