( eisenberg , d. , weiss , r. m. , and tergwillager , t. c. ( 1982 ) . nature ( lond . ) 299 , 371-374 ) indicates that in all of the 5 apolipoproteins characterized at the nucleotide level to date , i.e . apo-c-ii , apo-a-ii , apo-e , apo-a-i , and apo-c-iii , the 2 ivs within the peptide coding regions of the gene tend to occur at regions corresponding to the surface of the polypeptide chain and divide the protein into distinct functional domains .
C0003591
apolipoproteins
C0003595
apo-e