Chains and heterogens:
PDB Chain Sequences:
>1dvbA (A:) mkslkgsrtekniltafagesqarnrynyfggqakkdgfvqisdifaetadqerehakrl fkfleggdleivaafpagiiadthanliasaagehheytemypsfariareegyeeiarv fasiavaeefhekrfldfarnikegrvflreqatkwrcrncgyvhegtgapelcpacahp kahfellginw