Chains and heterogens:
PDB Chain Sequences:
>1a80_ (-) tvpsivlndgnsipqlgygvfkvppadtqraveealevgyrhidtaaiygneegvgaaia asgiarddlfittklwndrhdgdepaaaiaeslaklaldqvdlylvhwptpaadnyvhaw ekmielraagltrsigvsnhlvphlerivaatgvvpavnqielhpayqqreitdwaaahd vkieswgplgqgkydlfgaepvtaaaaahgktpaqavlrwhlqkgfvvfpksvrrerlee nldvfdfdltdteiaaidamdpgdgsgrvsahpdevd