Chains and heterogens:
PDB Chain Sequences:
>1l6yA (A:) tdliqrprrlrkspalramfeettlslndlvlpifveeeiddykaveampgvmripekhl areierianagirsvmtfgishhtdetgsdawredglvarmsrickqtvpemivmsdtcf ceytshghcgvlcehgvdndatlenlgkqavvaaaagadfiapsaamdgqvqairqalda agfkdtaimsystkfassfygpfreaagsalkgdrksyqmnpmnrreaireslldeaqga dclmvkpagayldivrelrertelpigayqvsgeyamikfaalagaideekvvleslgsi kragadlifsyfaldlaekkilr
>1l6yB (B:) tdliqrprrlrkspalramfeettlslndlvlpifveeeiddykaveampgvmripekhl areierianagirsvmtfgishhtdetgsdawredglvarmsrickqtvpemivmsdtcf ceytshghcgvlcehgvdndatlenlgkqavvaaaagadfiapsaamdgqvqairqalda agfkdtaimsystkfassfygpfreaagsalkgdrksyqmnpmnrreaireslldeaqga dclmvkpagayldivrelrertelpigayqvsgeyamikfaalagaideekvvleslgsi kragadlifsyfaldlaekkilr