Predicted to enable heme binding activity. Predicted to be involved in nervous system development. Predicted to act upstream of or within positive regulation of neuron differentiation. Predicted to be located in extracellular region. Predicted to be active in endomembrane system and membrane. Orthologous to human CYB5D2 (cytochrome b5 domain containing 2). [provided by Alliance of Genome Resources, Apr 2022]