the chain origins of subunits m1 , m2* , and m3 previously described ( butkowski , r. l. , wieslander , j. , wisdom , b.j. , barr , j.f. , noelken , m.e. , and hudson , b.g . ( 1985 ) j. biol . chem . 260 , 3739-3747 ) of the globular domain of basement membrane collagen were identified , by amino-terminal amino acid sequence analysis , with respect to their relationship to the chains of collagen iv .
C0004799
basement
C0009333
collagen iv