Chains and heterogens:
PDB Chain Sequences:
>1qulA (A:) easltgagatfpapvyakwadtyqketgnkvnyqgigssggvkqiiantvdfgasdapls deklaqeglfqfptviggvvlavnipglksgelvldgktlgdiylgkikkwddeaiakln pglklpsqniavvrratgsgtsfvftsylakvneewknnvgtgstvkwpiglggkgndgi aafvqrlpgaigyveyayakqnnlaytklisadgkpvspteenfanaakgadwsktfaqd ltnqkgedawpitsttfilihkdqkkpeqgtevlkffdwayktgakqandldyaslpdsv veqvraawktnikdssgkply