Chains and heterogens:
PDB Chain Sequences:
>1e2xA (A:) fadrmvikaqspagfaeeyiiesiwnnrfppgtilpaerelseligvtrttlrevlqrla rdgwltiqhgkptkvnnfwetsglniletlarldhesvpqlidnllsvrtnistifirta frqhpdkaqevlatanevadhadafaeldynifrglafasgnpiyglilngmkglytrig rhyfanpearslalgfyhklsalcsegahdqvyetvrryghesgeiwhrmqknlpgdlai qgr
>1e2xA (A:) qspagfaeeyiiesiwnnrfppgtilpaerelseligvtrttlrevlqrlardgwltiqh gkptkvnnfwetsglniletlarldhesvpqlidnllsvrtnistifirtafrqhpdkaq evlatanevadhadafaeldynifrglafasgnpiyglilngmkglytrigrhyfanpea rslalgfyhklsalcsegahdqvyetvrryghesgeiwhrmq