Chains and heterogens:
PDB Chain Sequences:
>1lkpA (A:) kslkgsrtekniltafagesqarnrynyfggqakkdgfvqisdifaetadqerehakrlf kfleggdleivaafpagiiadthanliasaagehheytemypsfariareegyeeiarvf asiavaeefhekrfldfarnikegrvflreqatkwrcrncgyvhegtgapelcpacahpk ahfellginw