isoelectric focusing in cylindrical polyacrylamide gels has been used to demonstrate the formation of asymmetric hybrids between an abnormal hemoglobin , hb alberta ( alpha 2 beta 2 101 glu replaced by gly ) , and hb a ( alpha 2 beta 2 ) , hb a2 ( alpha 2 delta 2 ) or hb f1 ( alpha 2 gamma 2 acetyl ) .
C0019047
abnormal hemoglobin
C0019046
hb