Chains and heterogens:
PDB Chain Sequences:
>5ikdA (A:) slntidiqgdilvgmhkqkqlfyffaindpatfkthlasdiapvvasvtqlsnvatqplv alniafsntgllalgvtdnlgdslfangqakdatsfkestsswvpqfagtgihgviilas dttdlidqqvasiestfgssisklyslsasirpgneaghemfgfldgiaqpaingfntpl pgqnivdagviitgatndpitrpswavggsflafrqleqlvpefnkylldnapagsgslq aradllgarmvgrwksgapidltptaddpalgadaqrnnnftyshagfdlgsdqshcpfs ahirktrpradlggsltppnlsagansimrsgipygpevtsaesasntttqerglagvay qaqlsqgfhflqqtwadnanfppgktpatvgldpiigqnngqprvvngllpsnssaslsi pqfvvshggeyffsppisaiggrlsa