Chains and heterogens:
PDB Chain Sequences:
>4wyyA (A:) apadrlkalvdaavqpvmkandipglavaislkgephyfsyglaskedgrrvtpetlfei gsvsktftatlagyaltqdkmrlddrasqhwpalqgsrfdgislldlatytagglplqfp dsvqkdqaqirdyyrqwqptyapgsqrlysnpsiglfgylaarslgqpferlmeqqvfpa lgleqthldvpeaalaqyaqgygkddrplrvgpgpldaegygvktsaadllrfvdanlhp erldrpwaqaldathrgyykvgdmtqglgweaydwpislkrlqagnstpmalqphriarl papqalegqrllnktgstngfgayvafvpgrdlglvilanrnypnaervkiayailsgle