Chains and heterogens:
PDB Chain Sequences:
>1a9uA (A:) gsshhhhhhssglvprgshmsqerptfyrqelnktiwevperyqnlspvgsgaygsvcaa fdtktglrvavkklsrpfqsiihakrtyrelrllkhmkhenviglldvftparsleefnd vylvthlmgadlnnivkcqkltddhvqfliyqilrglkyihsadiihrdlkpsnlavned celkildfglarhtddemtgyvatrwyrapeimlnwmhynqtvdiwsvgcimaelltgrt lfpgtdhidqlklilrlvgtpgaellkkissesarnyiqsltqmpkmnfanvfiganpla vdllekmlvldsdkritaaqalahayfaqyhdpddepvadpydqsfesrdllidewkslt ydevisfvpppldqeemes
>1a9uA (A:) erptfyrqelnktiwevperyqnlspvgsgaygsvcaafdtktglrvavkklsrpfqsii hakrtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadlnnivkcqklt ddhvqfliyqilrglkyihsadiihrdlkpsnlavnedcelkildfglarhtddemtgyv atrwyrapeimlnwmhynqtvdiwsvgcimaelltgrtlfpgtdhidqlklilrlvgtpg aellkkissesarnyiqsltqmpkmnfanvfiganplavdllekmlvldsdkritaaqal ahayfaqyhdpddepvadpydqsfesrdllidewksltydevisfvpppld