Chains and heterogens:
PDB Chain Sequences:
>1heuA (A:) stagkvikckaavlweekkpfsieevevappkahevrikmvatgicrsddhvvsgtlvtp lpviagheaagivesigegvttvrpgdkviplftpqcgkcrvckhpegnfclkndlsmpr gtmqdgtsrftcrgkpihhflgtstfsqytvvdeisvakidaasplekvcligcgfstgy gsavkvakvtqgstcavfglggvglsvimgckaagaariigvdinkdkfakakevgatec vnpqdykkpiqevltemsnggvdfsfevigrldtmvtalsccqeaygvsvivgvppdsqn lsmnpmlllsgrtwkgaifggfkskdsvpklvadfmakkfaldplithvlpfekinegfd llrsgesirtiltf
>1heuB (B:) stagkvikckaavlweekkpfsieevevappkahevrikmvatgicrsddhvvsgtlvtp lpviagheaagivesigegvttvrpgdkviplftpqcgkcrvckhpegnfclkndlsmpr gtmqdgtsrftcrgkpihhflgtstfsqytvvdeisvakidaasplekvcligcgfstgy gsavkvakvtqgstcavfglggvglsvimgckaagaariigvdinkdkfakakevgatec vnpqdykkpiqevltemsnggvdfsfevigrldtmvtalsccqeaygvsvivgvppdsqn lsmnpmlllsgrtwkgaifggfkskdsvpklvadfmakkfaldplithvlpfekinegfd llrsgesirtiltf