Chains and heterogens:
PDB Chain Sequences:
>2pi8A (A:) msskptdrgqqykdgkftqpfslvnqpdavgapinagdfaeqinhirnssprlygnqsnv ynavqewlraggdtrnmrqfgidawqmegadnygnvqftgyytpviqarhtrqgefqypi yrmppkrgrlssraeiyagalsdkyilaysnslmdnfimdvqgsgyidfgdgsplnffsy agknghayrsigkvlidrgevkkedmsmqairhwgethseaevrelleqnpsfvffkpqs fapvkgasavplvgrasvasdrsiippgttliaevplldnngkfngqyelrlmvaldvgg aikgqhfaiyqgigpeaghragwynhygrvwvlktapgagnvfsg
>2pi8A (A:) skptdrgqqykdgkftqpfslvnqpdavgapinagdfaeqinhirnssprlygnqsnvyn avqewlraggdtrnmrqfgidawqmegadnygnvqftgyytpviqarhtrqgefqypiyr mppkrgrlssraeiyagalsdkyilaysnslmdnfimdvqgsgyidfgdgsplnffsyag knghayrsigkvlidrgevmsmqairhwgethseaevrelleqnpsfvffkpqsfapvkg asavplvgrasvasdrsiippgttliaevplldnngkfngqyelrlmvaldvggaikgqh faiyqgigpeaghragwynhygrvwvlktap
>2pi8B (B:) msskptdrgqqykdgkftqpfslvnqpdavgapinagdfaeqinhirnssprlygnqsnv ynavqewlraggdtrnmrqfgidawqmegadnygnvqftgyytpviqarhtrqgefqypi yrmppkrgrlssraeiyagalsdkyilaysnslmdnfimdvqgsgyidfgdgsplnffsy agknghayrsigkvlidrgevkkedmsmqairhwgethseaevrelleqnpsfvffkpqs fapvkgasavplvgrasvasdrsiippgttliaevplldnngkfngqyelrlmvaldvgg aikgqhfaiyqgigpeaghragwynhygrvwvlktapgagnvfsg
>2pi8B (B:) skptdrgqqykdgkftqpfslvnqpdavgapinagdfaeqinhirnssprlygnqsnvyn avqewlraggdtrnmrqfgidawqmegadnygnvqftgyytpviqarhtrqgefqypiyr mppkrgrlssraeiyagalsdkyilaysnslmdnfimdvqgsgyidfgdgsplnffsyag knghayrsigkvlidrgevkkedmsmqairhwgethseaevrelleqnpsfvffkpqsfa pvkgasavplvgrasvasdrsiippgttliaevplldnngkfngqyelrlmvaldvggai kgqhfaiyqgigpeaghragwynhygrvwvlktap
>2pi8C (C:) msskptdrgqqykdgkftqpfslvnqpdavgapinagdfaeqinhirnssprlygnqsnv ynavqewlraggdtrnmrqfgidawqmegadnygnvqftgyytpviqarhtrqgefqypi yrmppkrgrlssraeiyagalsdkyilaysnslmdnfimdvqgsgyidfgdgsplnffsy agknghayrsigkvlidrgevkkedmsmqairhwgethseaevrelleqnpsfvffkpqs fapvkgasavplvgrasvasdrsiippgttliaevplldnngkfngqyelrlmvaldvgg aikgqhfaiyqgigpeaghragwynhygrvwvlktapgagnvfsg
>2pi8C (C:) skptdrgqqykdgkftqpfslvnqpdavgapinagdfaeqinhirnssprlygnqsnvyn avqewlraggdtrnmrqfgidawqmegadnygnvqftgyytpviqarhtrqgefqypiyr mppkrgrlssraeiyagalsdkyilaysnslmdnfimdvqgsgyidfgdgsplnffsyag knghayrsigkvlidrgevkmsmqairhwgethseaevrelleqnpsfvffkpqsfapvk gasavplvgrasvasdrsiippgttliaevplldnngkfngqyelrlmvaldvggaikgq hfaiyqgigpeaghragwynhygrvwvlktap
>2pi8D (D:) msskptdrgqqykdgkftqpfslvnqpdavgapinagdfaeqinhirnssprlygnqsnv ynavqewlraggdtrnmrqfgidawqmegadnygnvqftgyytpviqarhtrqgefqypi yrmppkrgrlssraeiyagalsdkyilaysnslmdnfimdvqgsgyidfgdgsplnffsy agknghayrsigkvlidrgevkkedmsmqairhwgethseaevrelleqnpsfvffkpqs fapvkgasavplvgrasvasdrsiippgttliaevplldnngkfngqyelrlmvaldvgg aikgqhfaiyqgigpeaghragwynhygrvwvlktapgagnvfsg
>2pi8D (D:) skptdrgqqykdgkftqpfslvnqpdavgapinagdfaeqinhirnssprlygnqsnvyn avqewlraggdtrnmrqfgidawqmegadnygnvqftgyytpviqarhtrqgefqypiyr mppkrgrlssraeiyagalsdkyilaysnslmdnfimdvqgsgyidfgdgsplnffsyag knghayrsigkvlidrgevkkedmsmqairhwgethseaevrelleqnpsfvffkpqsfa pvkgasavplvgrasvasdrsiippgttliaevplldnngkfngqyelrlmvaldvggai kgqhfaiyqgigpeaghragwynhygrvwvlktap