Chains and heterogens:
PDB Chain Sequences:
>2gouA (A:) mtqslfqpitlgaltlknrivmppmtrsrasqpgdvanhmmaiyyaqrasaglivsegtq isptakgyawtpgiytpeqiagwrivteavhakgcaifaqlwhvgrvthpdnidgqqpis sstlkaenvkvfvdngsdepgfvdvavpramtkadiaqviadyrqaalnameagfdgiel haangylinqfidseannrsdeyggslenrlrfldevvaalvdaigaervgvrlaplttl ngtvdadpiltytaaaallnkhrivylhiaevdwddapdtpvsfkralreayqgvliyag rynaekaeqaindgladmigfgrpfianpdlperlrhgyplaehvpatlfgggekgltdy ptyqa