Chains and heterogens:
PDB Chain Sequences:
>2b1eA (A:) ghmniestlnsvasvkdlaneaskyeiilqkginqvglkqytqvvhklddmlediqsgqa nreensefhgilthleqlikrseaqlrvyfisilnsikpfdpqinitkkmpfpyyedqql galswildyfhgnsegsiiqdilvgersklilkcmaflepfakeistaknapyekgssgm nsyteallgfianekslvddlysqyteskphvlsqilsplisayaklfganlkivrsnle nfgffsfelvesindvkkslrgkelqnynllqdctqevrqvtqslfrdaidriikkansi stipsnngvteatvdtmsrlrkfseykngclgamdnitrenwlpsnykekeytlqnealn wedhnvllscfisdcidtlavnlerkaqialmpnqepdvanpnssknkhkqrigffilmn ltlveqivekselnlmlageghsrlerlkkryisymvsdwrdltanlmdsvfidssgkks kdkeqikekfrkfnegfedlvsktkqyklsdpslkvtlkseiislvmpmyerfysrykds fknprkhikytpdelttvlnqlvr
>2b1eA (A:) tlnsvasvkdlaneaskyeiilqkginqvglkqytqvvhklddmlediqsreensefhgi lthleqlikrseaqlrvyfisilnsikpfdpqinitkkmpfpyyedqqlgalswildyfh gnsegsiiqdilvgersklilkcmaflepfakgssgmnsyteallgfianekslvddlys qyteskphvlsqilsplisayaklfganlkivrfgffsfelvesindvkkslrgkelqny nllqdctqevrqvtqslfrdaidriikkansistipsnngvteatvdtmsrlrkfseykn gclgamdnitrenwlpsnykekeytlqnwedhnvllscfisdcidtlavnlerkaqialm pnqepdvanpnssknkhkqrigffilmnltlveqivekselnlmlageghsrlerlkkry isymvsdwrdltanlmdsvfidssgkkskdkeqikekfrkfnegfedlvsktkqyklsdp slkvtlkseiislvmpmyerfysrykdsfknprkhikytpdelttvlnqlvr