Chains and heterogens:
PDB Chain Sequences:
>4pnuA (A:) mkftverehllkplqqvsgplggrptlpilgnlllqvadgtlsltgtdlememvarvalv qphepgattvparkffdicrglpegaeiavqlegermlvrsgrsrfslstlpaadfpnld dwqseveftlpqatmkrlieatqfsmahqdvryylngmlfetegeelrtvatdghrlavc smpigqslpshsvivprkgvielmrmldggdnplrvqigsnnirahvgdfiftsklvdgr fpdyrrvlpknpdkhleagcdllkqafaraailsnekfrgvrlyvsenqlkitannpeqe eaeeildvtysgaemeigfnvsyvldvlnalkcenvrmmltdsvssvqiedaasqsaayv vmpmrl
>4pnuA (A:) mkftverehllkplqqvsgpllpilgnlllqvadgtlsltgtdlememvarvalvqphep gattvparkffdicrglpegaeiavqlegermlvrsgrsrfslstlpaadfpnlddwqse veftlpqatmkrlieatqfsmahqdvryylngmlfetegeelrtvatdghrlavcsmpig qslpshsvivprkgvielmrmldggdnplrvqigsnnirahvgdfiftsklvdgrfpdyr rvlpknpdkhleagcdllkqafaraailsnekfrgvrlyvsenqlkitannpeqeeaeei ldvtysgaemeigfnvsyvldvlnalkcenvrmmltdsvssvqiedaasqsaayvvmpm
>4pnuB (B:) mkftverehllkplqqvsgplggrptlpilgnlllqvadgtlsltgtdlememvarvalv qphepgattvparkffdicrglpegaeiavqlegermlvrsgrsrfslstlpaadfpnld dwqseveftlpqatmkrlieatqfsmahqdvryylngmlfetegeelrtvatdghrlavc smpigqslpshsvivprkgvielmrmldggdnplrvqigsnnirahvgdfiftsklvdgr fpdyrrvlpknpdkhleagcdllkqafaraailsnekfrgvrlyvsenqlkitannpeqe eaeeildvtysgaemeigfnvsyvldvlnalkcenvrmmltdsvssvqiedaasqsaayv vmpmrl
>4pnuB (B:) mkftverehllkplqqvsgplpilgnlllqvadgtlsltgtdlememvarvalvqphepg attvparkffdicrglpegaeiavqlegermlvrsgrsrfslstlpaadfpnlddwqsev eftlpqatmkrlieatqfsmahqdvryylngmlfetegeelrtvatdghrlavcsmpigq slpshsvivprkgvielmrmldggdnplrvqigsnnirahvgdfiftsklvdgrfpdyrr vlpknpdkhleagcdllkqafaraailsnekfrgvrlyvsenqlkitannpeqeeaeeil dvtysgaemeigfnvsyvldvlnalkcenvrmmltdsvssvqiedaasqsaayvvmpmrl