Chains and heterogens:
PDB Chain Sequences:
>1ss9A (A:) mdivfaaddnyaaylcvaaksveaahpdteirfhvldagiseanraavaanlrggggnir fidvnpedfagfplnirhisittyarlklgeyiadcdkvlyldidvlvrdsltplwdtdl gdnwlgacidlfverqegykqkigmadgeyyfnagvllinlkkwrrhdifkmscewveqy kdvmqyqdedilnglfkggvcyansrfnfmptnyafmanrfasrhtdplyrdrtntvmpv avshycgpakpwhrdctawgaerftelagslttvpeewrgklavphrmfstkrmlqrwrr klsarflrkiy
>1ss9A (A:) mdivfaaddnyaaylcvaaksveaahpdteirfhvldagiseanraavaanlrggggnir fidvnpedfagfplnirhisittyarlklgeyiadcdkvlyldidvlvrdsltplwdtdl gdnwlgacidlfverqegykqkigmadgeyyfnagvllinlkkwrrhdifkmscewveqy kdvmqyqdedilnglfkggvcyansrfnfmptnyafmanasrhtdplyrdrtntvmpvav shycgpakpwhrdctawgaerftelagslttvpeewrgkl