this crystalline protein is also uniquely characterized by three di-prolyl sequences in the first third of the molecule . beta 2-microglobulin is a highly conserved protein , and in a comparison of absolute amino acid sequence differences among species , bovine beta 2- microglobulin ranges from a low of 24 substitutions as compared with the rabbit homologue and 26 for human to 32 for mouse and guinea pig .
C3538902
di
C0086418
human