Chains and heterogens:
PDB Chain Sequences:
>2pfvA (A:) gsniestlnsvasvkdlaneaskyeiilqkginqvglkqytqvvhklddmlediqsgqan reensefhgilthleqlikrseaqlrvyfisilnsikpfdpqinitkkmpfpyyedqqlg alswildyfhgnsegsiiqdilvgersklilkcmaflepfakeistaknapyekgssgmn syteallgfianekslvddlysqyteskphvlsqilsplisayaklfganlkivrsnlen fgffsfelvesindvkkslrgkelqnynllqdctqevrqvtqslfrdaidriikkansis tipsnngvteatvdtmsrlrkfseykngclgamdnitrenwlpsnykekeytlqnealnw edhnvllscfisdcidtlavnlerkaqialmpnqepdvanpnssknkhkqrigffilmnl tlveqivekselnlmlageghsrlerlkkryisymvsdwrdltanlmdsvfidssgkksk dkeqikekfrkfnegfedlvsktkqyklsdpslkvtlkseiislvmpmyerfysrykdsf knprkhikytpdelttvlnqlvr
>2pfvA (A:) tlnsvasvkdlaneaskyeiilqkginqvglkqytqvvhklddmlediqsgqanreense fhgilthleqlikrseaqlrvyfisilnsikpfdpqinitkkmpfpyyedqqlgalswil dyfhgnsegsiiqdilvgersklilkcmaflepfakeyekgssgmnsyteallgfianek slvddlysqyteskphvlsqilsplisayaklfganlkivrsnlenfgffsfelvesind vkkslrgkelqnynllqdctqevrqvtqslfrdaidriikkansistipsnngvteatvd tmsrlrkfseykngclgamdnitrenwlpsnykekeytlqnealnwedhnvllscfisdc idtlavnlerkaqialmpnqepdvanpnssknkhkqrigffilmnltlveqivekselnl mlageghsrlerlkkryisymvsdwrdltanlmdsvfidssgkkskdkeqikekfrkfne gfedlvsktkqyklsdpslkvtlkseiislvmpmyerfysrykdsfknprkhikytpdel ttvlnqlvr