Mb Hbo HbB Mb Hbo HbB Mb Hbe HbB NAI--IV IV V AENK PDAvMNP d n t tv DKNy EEKs LEPlsEAIL KLLsHcLl between Hba and G19-R voHA HPGDFGAD AAHLPAB HbB:<50% 120K AI.KKK sDLAHLDNLKGrF PAvHAsL Number of 0Ag identity aas MNKALgLP a m 0] g M b Hba and FLsP HEAELK 140K LAsvsTvL HbβB:27 H 和mp AAK gLHCDKLHVDP K IIR 146H--HCa Hby only ELor DLsHIdentity between Hba and Hbb: < 50% Number of identity AAs among Mb, Hba and Hbb: 27