Chains and heterogens:
PDB Chain Sequences:
>1xviA (A:) ghmfsiqqpllvfsdldgtlldshsydwqpaapwltrlreanvpvilcssktsaemlylq ktlglqglpliaengaviqlaeqwqeidgfpriisgishgeislvlntlrekehfkfttf ddvddatiaewtglsrsqaaltqlheasvtliwrdsdermaqftarlnelglqfmqgarf whvldasagkdqaanwiiatyqqlsgkrpttlglgdgpndapllevmdyavivkglnreg vhlhdedparvwrtqregpegwregldhffsargs
>1xviA (A:) iqqpllvfsdldgtlldshsydwqpaapwltrlreanvpvilcssktsaemlylqktlgl qglpliaengaviqlaeqwqeidgfpriisgishgeislvlntlrekehfkfttfddvdd atiaewtglsrsqaaltqlheasvtliwrdsdermaqftarlnelglqfmqgarfwhvld asagkdqaanwiiatyqqlsgkrpttlglgdgpndapllevmdyavivkgln
>1xviB (B:) ghmfsiqqpllvfsdldgtlldshsydwqpaapwltrlreanvpvilcssktsaemlylq ktlglqglpliaengaviqlaeqwqeidgfpriisgishgeislvlntlrekehfkfttf ddvddatiaewtglsrsqaaltqlheasvtliwrdsdermaqftarlnelglqfmqgarf whvldasagkdqaanwiiatyqqlsgkrpttlglgdgpndapllevmdyavivkglnreg vhlhdedparvwrtqregpegwregldhffsargs
>1xviB (B:) mfsiqqpllvfsdldgtlldshsydwqpaapwltrlreanvpvilcssktsaemlylqkt lglqglpliaengaviqlaeqwqeidgfpriisgishgeislvlntlrekehfkfttfdd vddatiaewtglsrsqaaltqlheasvtliwrdsdermaqftarlnelglqfmqgarfwh vldasagkdqaanwiiatyqqlsgkrpttlglgdgpndapllevmdyavivkgl