Chains and heterogens:
PDB Chain Sequences:
>1e18A (A:) langtvmsgshwgvftatvengrataftpwekdphpspmlagvldsiysptrikypmvrr eflekgvnadrstrgngdfvrvswdqaldlvaaevkrveetygpqgvfggsygwkspgrl hncttllrrmltlaggyvngagdystgaaqvimphvvgtlevyeqqtawpvlaentevmv fwaadpiktsqigwvipehgaypglealkakgtkvividpvrtktveffgaehitpkpqt dvaimlgmahtlvaedlydkdfianytsgfdkflpyldgetdstpktaewaegisgvpae tikelarlfeskrtmlaagwsmqrmhhgeqahwmlvtlasmlgqiglpgggfglsyhysg ggtpstsgpalagitdggaatkgpewlaasgasvipvarvvdmlenpgaefdfngtrskf pdvkmaywvggnpfvhhqdrnrmvkawekletfvvhdfqwtptarhadivlpattsyern dietigdysntgilamkkiveplyearsdydifaavaerlgkgkeftegkdemgwiksfy ddaakqgkaagvempafdafwaegivefpvtdgadfvryasfredpllnplgtptgliei yskniekmgyddcpahptwmeplerldgpgakyplhiaashpfnrlhsqlngtvlregya vqghepclmhpddaaargiadgdvvrvhndrgqiltgvkvtdavmkgviqiyeggwydps dvtepgtldkygdvnvlsadigtsklaqgncgqtvlaevekytgpavtltgfvapkaae