Chains and heterogens:
PDB Chain Sequences:
>2yixA (A:) erptfyrqelnktiwevperyqnlspvgsgaygsvcaafdtktglrvavkklsrpfqsii hakrtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadlnnivkcqklt ddhvqfliyqilrglkyihsadiihrdlkpsnlavnedcelkildfglarhtddemtgyv atrwyrapeimlnwmhynqtvdiwsvgcimaelltgrtlfpgtdhidqlklilrlvgtpg aellkkissesarnyiqsltqmpkmnfanvfiganplavdllekmlvldsdkritaaqal ahayfaqyhdpddepvadpydqsfesrdllidewksltydevisfvpppld