Chains and heterogens:
PDB Chain Sequences:
>16pk_ (-) ekksinecdlkgkkvlirvdfnvpvkngkitndyrirsalptlkkvlteggscvlmshlg rpkgipmaqagkirstggvpgfqqkatlkpvakrlselllrpvtfapdclnaadvvskms pgdvvllenvrfykeegskkakdreamakilasygdvyisdafgtahrdsatmtgipkil gngaagylmekeisyfakvlgnpprplvaivggakvsdkiqlldnmlqridylliggama ytflkaqgysigkskceesklefarsllkkaedrkvqvilpidhvchtefkavdsplite dqnipeghmaldigpktiekyvqtigkcksaiwngpmgvfemvpyskgtfaiakamgrgt hehglmsiigggdsasaaelsgeakrmshvstgggaslellegktlpgvtvlddk