>sp|Q8BJ73-2|RSPO4_MOUSE R-spondin-4 OS=Mus musculus GN=Rspo4 MRAPLCLLLLLAHAVDMLALYRRKKQAGTGLGGNCTGCVICSEENGCSTCQQRLFLFIRR EGIRQYGKCVHDCPLGFFGIRGQEANRCKKCGATCESCFSQDFCIRCKRRFHLYKGKCLP SCPPGTLTHQSTRECQEECEPSPWGR