Chains and heterogens:
PDB Chain Sequences:
>1a71A (A:) stagkvikckaavlweekkpfsieevevappkahevrikmvatgicrsddhvvsgtlvtp lpviagheaagivesigegvttvrpgdkviplwtpqcgkcrvckhpegnfclkndlsmpr gtmqdgtsrftcrgkpihhflgtstfsqytvvdeisvakidaasplekvcligcgfstgy gsavkvakvtqgstcavfglggaglsvimgckaagaariigvdinkdkfakakevgatec vnpqdykkpiqevltemsnggvdfsfevigrldtmvtalsccqeaygvsvivgvppdsqn lsmnpmlllsgrtwkgaifggfkskdsvpklvadfmakkfaldplithvlpfekinegfd llrsgesirtiltf
>1a71B (B:) stagkvikckaavlweekkpfsieevevappkahevrikmvatgicrsddhvvsgtlvtp lpviagheaagivesigegvttvrpgdkviplwtpqcgkcrvckhpegnfclkndlsmpr gtmqdgtsrftcrgkpihhflgtstfsqytvvdeisvakidaasplekvcligcgfstgy gsavkvakvtqgstcavfglggaglsvimgckaagaariigvdinkdkfakakevgatec vnpqdykkpiqevltemsnggvdfsfevigrldtmvtalsccqeaygvsvivgvppdsqn lsmnpmlllsgrtwkgaifggfkskdsvpklvadfmakkfaldplithvlpfekinegfd llrsgesirtiltf