GNPAT and rhizomelic chondrodysplasia punctata: The RCDP phenotype results also from isolated deficiency in peroxisomal enzymes Glyceronephosphate O-acyltransferase (GNPAT) (Wanders et al., 1992; Barr et al., 1993), AGPS (Wanders et al., 1994) and fatty acyl-CoA reductase 1 (FAR1) (Buchert et al., 2014), causing RCDP2-4 respectively.