Chains and heterogens:
PDB Chain Sequences:
>1amw_ (-) asetfefqaeitqlmsliintvysnkeiflrelisnasdaldkirykslsdpkqletepd lfiritpkpeqkvleirdsgigmtkaelinnlgtiaksgtkafmealsagadvsmigqfg vgfyslflvadrvqvisksnddeqyiwesnaggsftvtldevnerigrgtilrlflkddq leyleekrikevikrhsefvaypiqlvvtkeve