Chains and heterogens:
PDB Chain Sequences:
>4k6gA (A:) malpsgsdpafsqpksvldagltcqgaspssvskpillvpgtgttgpqsfdsnwiplstq lgytpcwispppfmlndtqvnteymvnaitalyagsgnnklpvltwsqgglvaqwgltff psirskvdrlmafapdykgtvlagpldalavsapsvwqqttgsalttalrnaggltqivp ttnlysatdeivqpqvsnspldssylfngknvqaqavcgplfvidhagsltsqfsyvvgr salrsttgqarsadygitdcnplpandltpeqkvaaaallapaaaaivagpkqncepdlm pyarpfavgkrtcsgivtplehhhhhh
>4k6gA (A:) malpsgsdpafsqpksvldagltcqgaspssvskpillvpgtgttgpqsfdsnwiplstq lgytpcwispppfmlndtqvnteymvnaitalyagsgnnklpvltwsqgglvaqwgltff psirskvdrlmafapdykgtvlavsapsvwqqttgsalttalrnaggltqivpttnlysa tdeivqpqvsnspldssylfngknvqaqavcgplfvidhagsltsqfsyvvgrsalrstt gqarsadygitdcnplpandltpeqkvaaaallapaaaaivagpkqncepdlmpyarpfa vgkrtcsgivtple
>4k6gB (B:) malpsgsdpafsqpksvldagltcqgaspssvskpillvpgtgttgpqsfdsnwiplstq lgytpcwispppfmlndtqvnteymvnaitalyagsgnnklpvltwsqgglvaqwgltff psirskvdrlmafapdykgtvlagpldalavsapsvwqqttgsalttalrnaggltqivp ttnlysatdeivqpqvsnspldssylfngknvqaqavcgplfvidhagsltsqfsyvvgr salrsttgqarsadygitdcnplpandltpeqkvaaaallapaaaaivagpkqncepdlm pyarpfavgkrtcsgivtplehhhhhh
>4k6gB (B:) alpsgsdpafsqpksvldagltcqgaspssvskpillvpgtgttgpqsfdsnwiplstql gytpcwispppfmlndtqvnteymvnaitalyagsgnnklpvltwsqgglvaqwgltffp sirskvdrlmafapdykgtvlagpldalavsapsvwqqttgsalttalrnaggltqivpt tnlysatdeivqpqvsnspldssylfngknvqaqavcgplfvidhagsltsqfsyvvgrs alrsttgqarsadygitdcnplpandltpeqkvaaaallapaaaaivagpkqncepdlmp yarpfavgkrtcsgivtple