Chains and heterogens:
PDB Chain Sequences:
>1ar81 (1:) aatsrdalpnteasgpthskeipaltavetgatnplvpsdtvqtrhvvqhrsrsessies ffargacvtimtvdnsasttnkdklfavwkitykdtvqlrrklefftysrfdmeltfvvt anftetnnghalnqvyqimyvppgapvpekwddytwqtssnpsifytygtaparisvpyv gisnayshfydgfskvplkdqsaalgdslygaaslndfgilavrvvndhnptkvtskirv ylkpkhirvwcprppravayygpgvdykdgtltplstkdltty
>1ar82 (2:) eacgysdrvlqltlgnstittqeaansvvaygrwpeylrdseanpvdqptepdvaacrfy tldtvswtkesrgwwwklpdalrdmglfgqnmyyhylgrsgytvhvqcnaskfhqgalgv favpemclagdsntttmhtsyqnanpgekggtftgtftpdnnqtsparrfcpvdyllgng tllgnafvfphqiinlrtnncatlvlpyvnslsidsmvkhnnwgiailplaplnfasess peipitltiapmccefnglrnitlprlq
>1ar83 (3:) glpvmntpgsnqyltadnfqspcalpefdvtppidipgevknmmelaeidtmipfdlsat kkntmemyrvrlsdkphtddpilclslspasdprlshtmlgeilnyythwagslkftflf cgsmmatgkllvsyappgadppkkrkeamlgthviwdiglqssctmvvpwisnttyrqti ddsfteggyisvfyqtrivvplstpremdilgfvsacndfsvrllrdtthieqka