Enables protein folding chaperone. Acts upstream of or within several processes, including dorsal/ventral neural tube patterning; positive regulation of BMP signaling pathway; and smoothened signaling pathway. Located in mitochondrial envelope. Is integral component of endoplasmic reticulum membrane. Is expressed in embryo. Used to study clubfoot. Orthologous to human FKBP8 (FKBP prolyl isomerase 8). [provided by Alliance of Genome Resources, Apr 2022]