Chains and heterogens:
PDB Chain Sequences:
>1ianA (A:) mahhhhhsqerptfyrqelnktiwevperyqnlspvgsgaygsvcaafdtktglrvavkk lsrpfqsiihakrtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadln nivkcqkltddhvqfliyqilrglkyihsadiihrdlkpsnlavnedcelkildfglarh tddemtgyvatrwyrapeimlnwmhynqtvdiwsvgcimaelltgrtlfpgtdhidqlkl ilrlvgtpgaellkkissesarnyiqsltqmpkmnfanvfiganplavdllekmlvldsd kritaaqalahayfaqyhdpddepvadpydqsfesrdllidewksltydevisfvpppld qeemes
>1ianA (A:) rptfyrqelnktiwevperyqnlspvgsgaygsvcaafdtktglrvavkklsrpfqsiih akrtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadlnnivtddhvqf liyqilrglkyihsadiihrdlkpsnlavnedcelkildftrwyrapeimlnwmhynqtv diwsvgcimaelltgrtlfpgtdhidqlklilrlvgtpgaellkkissesarnyiqsltq mpkmnfanvfiganplavdllekmlvldsdkritaaqalahayfaqyhdpddepvadpyd qsfesrdllidewksltydevisfvppp