Chains and heterogens:
PDB Chain Sequences:
>4puzA (A:) maleeirpkevyldrklltledkelgsgnfgtvkkgyyqmkkvvktvavkilkneandpa lkdellaeanvmqqldnpyivrmigiceaeswmlvmemaelgplnkylqqnrhvkdknii elvhqvsmgmkyleesnfvhrdlaarnvllvtqhyakisdfglskalradenyykaqthg kwpvkwyapecinyykfssksdvwsfgvlmweafsygqkpyrgmkgsevtamlekgermg cpagcpremydlmnlcwtydvenrpgfaavelrlrnyyydvvneghhhhhh
>4puzA (A:) vyldrklltledkelgsgnfgtvkkgyyqmkkvvktvavkilkpalkdellaeanvmqql dnpyivrmigiceaeswmlvmemaelgplnkylqqnrhvkdkniielvhqvsmgmkylee snfvhrdlaarnvllvtqhyakisdfglskalradenyykaqkwpvkwyapecinyykfs sksdvwsfgvlmweafsygqkpyrgmkgsevtamlekgermgcpagcpremydlmnlcwt ydvenrpgfaavelrlrnyyydv
>4puzB (B:) maleeirpkevyldrklltledkelgsgnfgtvkkgyyqmkkvvktvavkilkneandpa lkdellaeanvmqqldnpyivrmigiceaeswmlvmemaelgplnkylqqnrhvkdknii elvhqvsmgmkyleesnfvhrdlaarnvllvtqhyakisdfglskalradenyykaqthg kwpvkwyapecinyykfssksdvwsfgvlmweafsygqkpyrgmkgsevtamlekgermg cpagcpremydlmnlcwtydvenrpgfaavelrlrnyyydvvneghhhhhh
>4puzB (B:) vyldrklltledkelgsgnfgtvkkgyyqmkkvvktvavkilkpalkdellaeanvmqql dnpyivrmigiceaeswmlvmemaelgplnkylqqnrhvkdkniielvhqvsmgmkylee snfvhrdlaarnvllvtqhyakisdfglskalradenyykaqkwpvkwyapecinyykfs sksdvwsfgvlmweafsygqkpyrgmkgsevtamlekgermgcpagcpremydlmnlcwt ydvenrpgfaavelrlrnyyydvvn