Chains and heterogens:
PDB Chain Sequences:
>1xipA (A:) gasslkdevptetsedfgfkflgqkqilpsfneklpfaslqnldisnskslfvaasgska vvgelqllrdhitsdstpltfkwekeipdvifvcfhgdqvlvstrnalysldleelsefr tvtsfekpvfqlknvnntlvilnsvndlsaldlrtkstkqlaqnvtsfdvtnsqlavllk drsfqsfawrngemekqfefslpseleelpveeysplsvtilspqdflavfgnvisetdd evsydqkmyiikhidgsasfqetfditppfgqivrfpymykvtlsgliepdanvnvlass cssevsiwdskqviepsqdseravlpiseetdkdtnpigvavdvvtsgtilepcsgvdti erlplvyilnnegslqivglfhvaaiks
>1xipA (A:) asslkdevptetsedfgfkflgqkqilpsfneklpfaslqnldisnskslfvaasgskav vgelqllrdhitsdstpltfkwekeipdvifvcfhgdqvlvstrnalysldleelsefrt vtsfekpvfqlknvnntlvilnsvndlsaldlrtkstkqlaqnvtsfdvtnsqlavllkd rsfqsfawrngemekqfefslpseleelpveeysplsvtilspqdflavfgnvisetdde vsydqkmyiikhidgsasfqetfditppfgqivrfpymykvtlsgliepdanvnvlassc ssevsiwdskqviepsqdseravlpiseetdkdtnpigvavdvvtsglplvyilnnegsl qivglfh