Chains and heterogens:
PDB Chain Sequences:
>4pffA (A:) mfnnepleqidkelhdiladeekrqretinliasenltngavreclgnrvsnkysegypk kryyggndfidkieelcqkraleafnvsdeewgvnvqplsgsaanvqalyalvgvkgkim gmhlcsgghlthgffdekkkvsitsdmfesklykcnsqgyvdldavremalsfkpkviic gytsyprdidyqqfrqicdevnaylfadishissfvacnilnnpflhadvvtttthkilr gprsaliffnkkrnpgieqkinsavfpsfqggphnnkiaavacqlkevhspafkeytqqv llnskalakaliskqidlvtngtdnhlivvdlrkfsitgsklqetcnainvslnkntips dvdcvspsgvrigtpamttrgakekdmefiadvlaraikitvdlqeqygkklvdfkkglp gnaqlqqlkqevvtwagalpfp
>4pffB (B:) mfnnepleqidkelhdiladeekrqretinliasenltngavreclgnrvsnkysegypk kryyggndfidkieelcqkraleafnvsdeewgvnvqplsgsaanvqalyalvgvkgkim gmhlcsgghlthgffdekkkvsitsdmfesklykcnsqgyvdldavremalsfkpkviic gytsyprdidyqqfrqicdevnaylfadishissfvacnilnnpflhadvvtttthkilr gprsaliffnkkrnpgieqkinsavfpsfqggphnnkiaavacqlkevhspafkeytqqv llnskalakaliskqidlvtngtdnhlivvdlrkfsitgsklqetcnainvslnkntips dvdcvspsgvrigtpamttrgakekdmefiadvlaraikitvdlqeqygkklvdfkkglp gnaqlqqlkqevvtwagalpfp
>4pffC (C:) mfnnepleqidkelhdiladeekrqretinliasenltngavreclgnrvsnkysegypk kryyggndfidkieelcqkraleafnvsdeewgvnvqplsgsaanvqalyalvgvkgkim gmhlcsgghlthgffdekkkvsitsdmfesklykcnsqgyvdldavremalsfkpkviic gytsyprdidyqqfrqicdevnaylfadishissfvacnilnnpflhadvvtttthkilr gprsaliffnkkrnpgieqkinsavfpsfqggphnnkiaavacqlkevhspafkeytqqv llnskalakaliskqidlvtngtdnhlivvdlrkfsitgsklqetcnainvslnkntips dvdcvspsgvrigtpamttrgakekdmefiadvlaraikitvdlqeqygkklvdfkkglp gnaqlqqlkqevvtwagalpfp