passages.id: split_1_test_560_passage
passages.type: progene_text
passages.text: Of the three splice variants , mBMAL1b extends for 1878 bp in the coding sequence , which is 91 % identical to that of hBMAL1b ; its deduced amino acid sequence is 626 residues long and is 98 % identical to that of hBMAL1b , and sequence identities in the bHLH , PAS-A , and PAS-B regions are 98 , 100 , and 100 % , respectively .