Chains and heterogens:
PDB Chain Sequences:
>1cp3A (A:) nsykmdypemglciiinnknfhkstgmtsrsgtdvdaanlretfrnlkyevrnkndltre eivelmrdvskedhskrssfvcvllshgeegiifgtngpvdlkkitnffrgdrcrsltgk pklfiiqacrgteldcgietdsgvdddmachkipvdadflyaystapgyyswrnskdgsw fiqslcamlkqyadklefmhiltrvnrkvatefesfsfdatfhakkqipcivsmltkely fyh
>1cp3A (A:) nsykmdypemglciiinnknfhkstgmtsrsgtdvdaanlretfrnlkyevrnkndltre eivelmrdvskedhskrssfvcvllshgeegiifgtngpvdlkkitnffrgdrcrsltgk pklfiiqacrgteldcgiehkipvdadflyaystapgyyswrnskdgswfiqslcamlkq yadklefmhiltrvnrkvatefesfsfdatfhakkqipcivsmltkelyfyh
>1cp3B (B:) nsykmdypemglciiinnknfhkstgmtsrsgtdvdaanlretfrnlkyevrnkndltre eivelmrdvskedhskrssfvcvllshgeegiifgtngpvdlkkitnffrgdrcrsltgk pklfiiqacrgteldcgietdsgvdddmachkipvdadflyaystapgyyswrnskdgsw fiqslcamlkqyadklefmhiltrvnrkvatefesfsfdatfhakkqipcivsmltkely fyh
>1cp3B (B:) nsykmdypemglciiinnknfhkstgmtsrsgtdvdaanlretfrnlkyevrnkndltre eivelmrdvskedhskrssfvcvllshgeegiifgtngpvdlkkitnffrgdrcrsltgk pklfiiqacrgteldcgiehkipvdadflyaystapgyyswrnskdgswfiqslcamlkq yadklefmhiltrvnrkvatefesfsfdatfhakkqipcivsmltkelyfyh