Chains and heterogens:
PDB Chain Sequences:
>4p0fA (A:) mmadaahqefarrlalfsinvygklsgqkpgenivfspfsiqtcaamarlgaenetatql dqglglassdpeqiahsfhqvlaayqdsqilriankifvmdgyqlrqefdqllskqflsa aqsvdfsknvqaaatinnwveqrtnhlikdlvpadvlnsesrlvlvnaihfkgtwqhqfa khltrpdtfhldgertvqvpmmslkerfryadlpaldamalelpykdsdlsmlivlpntk tglpaleeklrlttlsqitqslyetkvalklprfkaefqvelsevfqklgmsrmfsdqae fgkmlqspeplkvsaiihkafievneegteaaaatgmavrrkraimspeepieffadhpf tyvlvhqkdlplfwgsvvrleentfassehdel
>4p0fA (A:) aahqefarrlalfsinvygklsgqkpgenivfspfsiqtcaamarlgaenetatqldqgl glassdpeqiahsfhqvlaayqilriankifvmdgyqlrqefdqllskqflsaaqsvdfs knvqaaatinnwveqrtnhlikdlvpadvlnsesrlvlvnaihfkgtwqhqfakhltrpd tfhltvqvpmmslkerfryadlpaldamalelpykdsdlsmlivlpntktglpaleeklr lttlsqitqslyetkvalklprfkaefqvelsevfqklgmsrmfsdqaefgkmlqspepl kvsaiihkafievneegteaaaatgmavrrkrpieffadhpftyvlvhqdlplfwgsvvr leentfass