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