Chains and heterogens:
PDB Chain Sequences:
>1r39A (A:) gshmlemsqerptfyrqelnktiwevperyqnlspvgsgaygsvcaafdtktglrvavkk lsrpfqsiihakrtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadln nivkcqkltddhvqfliyqilrglkyihsadiihrdlkpsnlavnedcelkildfglarh tddemtgyvatrwyrapeimlnwmhynqtvdiwsvgcimaelltgrtlfpgtdhidqlkl ilrlvgtpgaellkkissesarnyiqsltqmpkmnfanvfiganplavdllekmlvldsd kritaaqalahayfaqyhdpddepvadpydqsfesrdllidewksltydevisfvpppld qeemes
>1r39A (A:) erptfyrqelnktiwevperyqnlspvgsgaygsvcaafdtktglrvavkklsrpfqsii hakrtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadlnnivkcqklt ddhvqfliyqilrglkyihsadiihrdlkpsnlavnedcelkildfgltddemtgyvatr wyrapeimlnwmhynqtvdiwsvgcimaelltgrtlfpgtdhidqlklilrlvgtpgael lkkissesarnyiqsltqmpkmnfanvfiganplavdllekmlvldsdkritaaqalaha yfaqyhdpddepvadpydqsfesrdllidewksltydevisfvpp