preferred_name: PARP1 or PARP2, FEN1 and POLQ are recruited to MMEJ site (Bos taurus)
preferred_name_lc: parp1 or parp2, fen1 and polq are recruited to mmej site (bos taurus)
label: PARP1 or PARP2, FEN1 and POLQ are recruited to MMEJ site (Bos taurus)
label_lc: parp1 or parp2, fen1 and polq are recruited to mmej site (bos taurus)