Chains and heterogens:
PDB Chain Sequences:
>1pmt_ (-) mklyytpgscslsphivlretgldfsieridlrtkktesgkdflainpkgqvpvlqldng diltegvaivqyladlkpdrnliappkaleryhqiewlnflasevhkgysplfssdtpes ylpvvknklkskfvyindvlskqkcvcgdhftvadaylftlsqwaphvaldltdlshlqd ylariaqrpnvhsalvtegli