Frameshift deletion (1bp) of 4:480819 resulting in the addition of DPSIQWDFFIVILNRAIFLWVVCLIIVDASICLTSDWRVSTPLAQGKCGVQELLQVFAARFVMLLLMRTEIEKWDATMICGHCFICSWSL after isoleucine 281 of the Asator PD, PE, and PG isoforms (which corresponds to isoleucine 280 of the PI and PJ isoforms and isoleucine 125 of the PF, PH, PK, and PL isoforms) and premature truncation after these novel amino acids.