Chains and heterogens:
PDB Chain Sequences:
>1l6sA (A:) tdliqrprrlrkspalramfeettlslndlvlpifveeeiddykaveampgvmripekhl areierianagirsvmtfgishhtdetgsdawredglvarmsrickqtvpemivmsdtcf ceytshghcgvlcehgvdndatlenlgkqavvaaaagadfiapsaamdgqvqairqalda agfkdtaimsystkfassfygpfreaagsalkgdrksyqmnpmnrreaireslldeaqga dclmvkpagayldivrelrertelpigayqvsgeyamikfaalagaideekvvleslgsi kragadlifsyfaldlaekkilr
>1l6sB (B:) tdliqrprrlrkspalramfeettlslndlvlpifveeeiddykaveampgvmripekhl areierianagirsvmtfgishhtdetgsdawredglvarmsrickqtvpemivmsdtcf ceytshghcgvlcehgvdndatlenlgkqavvaaaagadfiapsaamdgqvqairqalda agfkdtaimsystkfassfygpfreaagsalkgdrksyqmnpmnrreaireslldeaqga dclmvkpagayldivrelrertelpigayqvsgeyamikfaalagaideekvvleslgsi kragadlifsyfaldlaekkilr