3.4.24.89 CD2830, CD630_28300, PPEP-1, PPEP-2, Pro-Pro endopeptidase, Pro-Pro endopeptidase 1, proline-proline endopeptidase-1, Zmp1 - -, 728302, 728634, 733877, 735291, 754163, 754181, 754764 3.4.24.89 PPEP-1 formerly named Zmp 1 and CD2830 -, 754764