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