Chains and heterogens:
PDB Chain Sequences:
>1apyA (A:) ssplplvvntwpfknateaawralasggsaldavesgcamcereqcdgsvgfggspdelg ettldamimdgttmdvgavgdlrriknaigvarkvlehtthtllvgesattfaqsmgfin edlstsasqalhsdwlarncqpnywrnvipdpskycgpykpp
>1apyA (A:) splplvvntwpfknateaawralasggsaldavesgcamcereqcdgsvgfggspdelge ttldamimdgttmdvgavgdlrriknaigvarkvlehtthtllvgesattfaqsmgfine dlstsasqalhsdwlarncqpnywrnvipdpskycgpykpp
>1apyB (B:) tigmvvihktghiaagtstngikfkihgrvgdspipgagayaddtagaaaatgngdilmr flpsyqaveymrrgedptiacqkvisriqkhfpeffgavicanvtgsygaacnklstftq fsfmvynseknqpteekvdci
>1apyC (C:) ssplplvvntwpfknateaawralasggsaldavesgcamcereqcdgsvgfggspdelg ettldamimdgttmdvgavgdlrriknaigvarkvlehtthtllvgesattfaqsmgfin edlstsasqalhsdwlarncqpnywrnvipdpskycgpykpp
>1apyC (C:) splplvvntwpfknateaawralasggsaldavesgcamcereqcdgsvgfggspdelge ttldamimdgttmdvgavgdlrriknaigvarkvlehtthtllvgesattfaqsmgfine dlstsasqalhsdwlarncqpnywrnvipdpskycgpykpp
>1apyD (D:) tigmvvihktghiaagtstngikfkihgrvgdspipgagayaddtagaaaatgngdilmr flpsyqaveymrrgedptiacqkvisriqkhfpeffgavicanvtgsygaacnklstftq fsfmvynseknqpteekvdci