Chains and heterogens:
PDB Chain Sequences:
>1m66A (A:) mstkqhsakdellylnkavvfgsgafgtalamvlskkcrevcvwhmneeevrlvnekren vlflkgvqlasnitftsdvekayngaeiilfviptqflrgffeksggnliayakekqvpv lvctkgierstlkfpaeiigeflpspllsvlagpsfaievatgvftcvsiasadinvarr lqrimstgdrsfvcwattdtvgcevasavknvlaigsgvanglgmglnaraalimrglle irdltaalggdgsavfglaglgdlqltcsselsrnftvgkklgkglpieeiqrtskavae gvatadplmrlakqlkvkmplchqiyeivykkknprdaladllscglqdeglpplfkrsa stpskl
>1m66A (A:) kdellylnkavvfgsgafgtalamvlskkcrevcvwhmneeevrlvnekrenvlflkgvq lasnitftsdvekayngaeiilfviptqflrgffeksggnliayakekqvpvlvctkgie rstlkfpaeiigeflpspllsvlagpsfaievatgvftcvsiasadinvarrlqrimstg drsfvcwattdtvgcevasavknvlaigsgvanglgmglnaraalimrglleirdltaal ggdgsavfglaglgdlqltcsselsrnftvgkklgkglpieeiqravaegvatadplmrl akqlkvkmplchqiyeivykkknprdaladllscglqdeglpplfk