Chains and heterogens:
PDB Chain Sequences:
>1b7tA (A:) mnidfsdpdfqylavdrkklmkeqtaafdgkkncwvpdekegfasaeiqsskgdeitvki vadsstrtvkkddiqsmnppkfekledmanmtylneasvlynlrsrytsgliytysglfc iavnpyrrlpiytdsviakyrgkrkteipphlfsvadnayqnmvtdrenqsclitgesga gktentkkvimylakvacavkkkdeeasdkkegsledqiiqanpvleaygnakttrnnns srfgkfirihfgptgkiagadietylleksrvtyqqsaernyhifyqicsnaipelndvm lvtpdsglysfinqgcltvdniddveefklcdeafdilgftkeekqsmfkctasilhmge mkfkqrpreeqaesdgtaeaekvaflcginagdllkallkpkvkvgtemvtkgqnmnqvv nsvgalakslydrmfnwlvrrvnktldtkakrnyyigvldiagfeifdfnsfeqlcinyt nerlqqffnhhmfileqeeykkegiawefidfgmdlqmcidliekpmgilsileeecmfp kaddksfqdklyqnhmgknrmftkpgkptrpnqgpahfelhhyagnvpysitgwleknkd pinenvvallgaskeplvaelfkapeepagggkkkkgkssafqtisavhreslnklmknl ysthphfvrciipnelkqpglvdaelvlhqlqcngvlegiricrkgfpsrliysefkqry silapnaipqgfvdgktvsekilaglqmdpaeyrlgttkvffkagvlgnleemrderlsk iismfqahirgylirkaykklqdqriglsviqrnirkwlvlrnwqwwklyskvkp
>1b7tA (A:) fsdpdfqylavdafdgkkncwvpdekegfasaeiqsskgdeitvkivadsstrtvkkddi qsmnppkfekledmanmtylneasvlynlrsrytsgliytysglfciavnpyrrlpiytd sviakyrgkrkteipphlfsvadnayqnmvtdrenqsclitgesgagktentkkvimyla kvacaegsledqiiqanpvleaygnakttrnnnssrfgkfirihfgptgkiagadietyl leksrvtyqqsaernyhifyqicsnaipelndvmlvtpdsglysfinqgcltvdniddve efklcdeafdilgftkeekqsmfkctasilhmgemkfkqaesdgtaeaekvaflcginag dllkallkpkvtkgqnmnqvvnsvgalakslydrmfnwlvrrvnktldtkakrnyyigvl diagfeifdfnsfeqlcinytnerlqqffnhhmfileqeeykkegiawefidfgmdlqmc idliekpmgilsileeecmfpkaddksfqdklyqnhmgknrmftkpgkptrpnqgpahfe lhhyagnvpysitgwleknkdpinenvvallgaskeplvaelfkaqtisavhreslnklm knlysthphfvrciipnelkqpglvdaelvlhqlqcngrkgfpsrliysefkqrysilap naipdgktvsekilaglqmdpaeyrlgttkvffkagvlgnleemrderlskiismfqahi rgylirkaykklqdqriglsviqrnirkwlvlrnwqwwklyskvkp
>1b7tY (Y:) adkaasgvltklpqkqiqemkeafsmidvdrdgfvskedikaiseqlgrapddkeltaml keapgplnftmflsifsdklsgtdseetirnafamfdeqetkklnieyikdllenmgdnf nkdemrmtfkeapveggkfdyvkftamikgsgeeea
>1b7tY (Y:) pqkqiqemkeafsmidvdrdgfvskedikaiseqlgrapddkeltamlkeapgplnftmf lsifsdklsgtdseetirnafamfdeqetkklnieyikdllenmgdnfnkdemrmtfkea pveggkfdyvkftamikg
>1b7tZ (Z:) pklsqdeiddlkdvfelfdfwdgrdgavdafklgdvcrclginprnedvfavggthkmge kslpfeeflpayeglmdceqgtfadymeafktfdregqgfisgaelrhvltalgerlsde dvdeiikltdlqedlegnvkyedfvkkvmagpypdk
>1b7tZ (Z:) klsqdeiddlkdvfelfdfwdgrdgavdafklgdvcrclginprnedvfavggthkmgek slpfeeflpayeglmdceqgtfadymeafktfdregqgfisgaelrhvltalgerlsded vdeiikltdlqedlegnvkyedfvkkvmagpyp