B5 #6 (cytochrome b5 family protein #6); heme binding / transition metal ion binding. similar to ATB5-A (Cytochrome b5 A) [Arabidopsis thaliana] (TAIR:AT5G53560.1); similar to cytochrome b5 isoform Cb5-D [Vernicia fordii] (GB:AAT84461.1); contains InterPro domain Cytochrome b5; (InterPro:IPR001199)