Chains and heterogens:
PDB Chain Sequences:
>1s6yA (A:) sdamdkrlkiatigggssytpelveglikryhelpvgelwlvdipegkekleivgalakr mvekagvpieihltldrrraldgadfvttqfrvgglearakderiplkygvigqetngpg glfkglrtipvildiirdmeelcpdawlinftnpagmvteavlrytkqekvvglcnvpig mrmgvakllgvdadrvhidfaglnhmvfglhvyldgvevtekvidlvahpdrsgvtmkni vdlgwepdflkglkvlpcpyhryyfqtdkmlaeeleaaktkgtraevvqqlekelfelyk dpnlaikppqlekrggayysdaacslissiyndkrdiqpvntrnngaiasisaesavevn cvitkdgpkpiavgdlpvavrglvqqiksfervaaeaavtgdyqtalvamtinplvpsdt iakqildemleahkeylpqffkqakatagn
>1s6yA (A:) rlkiatigggssytpelveglikryhelpvgelwlvdipegkekleivgalakrmvekag vpieihltldrrraldgadfvttqfrvgglearakderiplkygvigqetngpgglfkgl rtipvildiirdmeelcpdawlinftnpagmvteavlrytkqekvvglcnvpigmrmgva kllgvdadrvhidfaglnhmvfglhvyldgvevtekvidlvahplgwepdflkglkvlpc pyhryyfqtdkmlaeeleaaktkgtraevvqqlekelfelykdprggayysdaacsliss iyndkrdiqpvntrnngaiasisaesavevncvitkdgpkpiavgdlpvavrglvqqiks fervaaeaavtgdyqtalvamtinplvpsdtiakqildemleahkeylpqffkqak