Chains and heterogens:
PDB Chain Sequences:
>1pbv_ (-) anegsktlqrnrkmamgrkkfnmdpkkgiqflvenellqntpeeiarflykgeglnktai gdylgereelnlavlhafvdlheftdlnlvqalrqflwsfrlpgeaqkidrmmeafaqry clcnpgvfqstdtcyvlsfavimlntslhnpnvrdkpglerfvamnrgineggdlpeell rnlydsirnepfkip