Chains and heterogens:
PDB Chain Sequences:
>1a4yA (A:) sldiqsldiqceelsdarwaellpllqqcqvvrlddcgltearckdissalrvnpalael nlrsnelgdvgvhcvlqglqtpsckiqklslqnccltgagcgvlsstlrtlptlqelhls dnllgdaglqllceglldpqcrleklqleycslsaasceplasvlrakpdfkeltvsnnd ineagvrvlcqglkdspcqlealklescgvtsdncrdlcgivaskaslrelalgsnklgd vgmaelcpgllhpssrlrtlwiwecgitakgcgdlcrvlrakeslkelslagnelgdega rllcetllepgcqleslwvkscsftaaccshfssvlaqnrfllelqisnnrledagvrel cqglgqpgsvlrvlwladcdvsdsscsslaatllanhslreldlsnnclgdagilqlves vrqpgclleqlvlydiywseemedrlqalekdkpslrvis
>1a4yB (B:) qdnsrythfltqhydakpqgrddrycesimrrrgltspckdintfihgnkrsikaicenk ngnphrenlriskssfqvttcklhggspwppcqyratagfrnvvvacenglpvhldqsif rrp
>1a4yD (D:) sldiqsldiqceelsdarwaellpllqqcqvvrlddcgltearckdissalrvnpalael nlrsnelgdvgvhcvlqglqtpsckiqklslqnccltgagcgvlsstlrtlptlqelhls dnllgdaglqllceglldpqcrleklqleycslsaasceplasvlrakpdfkeltvsnnd ineagvrvlcqglkdspcqlealklescgvtsdncrdlcgivaskaslrelalgsnklgd vgmaelcpgllhpssrlrtlwiwecgitakgcgdlcrvlrakeslkelslagnelgdega rllcetllepgcqleslwvkscsftaaccshfssvlaqnrfllelqisnnrledagvrel cqglgqpgsvlrvlwladcdvsdsscsslaatllanhslreldlsnnclgdagilqlves vrqpgclleqlvlydiywseemedrlqalekdkpslrvis
>1a4yE (E:) qdnsrythfltqhydakpqgrddrycesimrrrgltspckdintfihgnkrsikaicenk ngnphrenlriskssfqvttcklhggspwppcqyratagfrnvvvacenglpvhldqsif rrp