Chains and heterogens:
PDB Chain Sequences:
>1xa6A (A:) mrllsslsgssvssdaeeyqppiwksylyqlqqeaprpkriicprevenrpkyygrefhg iisreqadellggvegayilresqrqpgcytlalrfgnqtlnyrlfhdgkhfvgekrfes ihdlvtdglitlyietkaaeyiskmttnpiyehigyatllrekvsrrlsrskneprktnv theehtavekisslvrraalthndnhfnyekthnfkvhtfrgphwceycanfmwgliaqg vrcsdcglnvhkqcskhvpndcqpdlkrikkvyccdlttlvkahntqrpmvvdicireie arglkseglyrvsgftehiedvkmafdrdgekadisanvypdiniitgalklyfrdlpip vitydtyskfidaakisnaderleavhevlmllppahyetlrylmihlkkvtmnekdnfm naenlgivfgptlmrppedstlttlhdmryqklivqilienedvlf
>1xa6A (A:) ppiwksylyqlqqeaprpkriicprevenrpkyygrefhgiisreqadellggvegayil resqrqpgcytlalrfgnqtlnyrlfhdgkhfvgekrfesihdlvtdglitlyietkaae yiskmttnpiyehigyatllryekthnfkvhtfrgphwceycanfmwgliaqgvrcsdcg lnvhkqcskhvpndcqpdlkrikkvyccdlttlvkahntqrpmvvdicireiearglkse glyrvsgftehiedvkmafdrdgekadisanvypdiniitgalklyfrdlpipvitydty skfidaakisnaderleavhevlmllppahyetlrylmihlkkvtmnekdnfmnaenlgi vfgptlmrppedstlttlhdmryqklivqilienedvlf