Chains and heterogens:
PDB Chain Sequences:
>2polA (A:) mkftverehllkplqqvsgplggrptlpilgnlllqvadgtlsltgtdlememvarvalv qphepgattvparkffdicrglpegaeiavqlegermlvrsgrsrfslstlpaadfpnld dwqseveftlpqatmkrlieatqfsmahqdvryylngmlfetegeelrtvatdghrlavc smpigqslpshsvivprkgvielmrmldggdnplrvqigsnnirahvgdfiftsklvdgr fpdyrrvlpknpdkhleagcdllkqafaraailsnekfrgvrlyvsenqlkitannpeqe eaeeildvtysgaemeigfnvsyvldvlnalkcenvrmmltdsvssvqiedaasqsaayv vmpmrl
>2polB (B:) mkftverehllkplqqvsgplggrptlpilgnlllqvadgtlsltgtdlememvarvalv qphepgattvparkffdicrglpegaeiavqlegermlvrsgrsrfslstlpaadfpnld dwqseveftlpqatmkrlieatqfsmahqdvryylngmlfetegeelrtvatdghrlavc smpigqslpshsvivprkgvielmrmldggdnplrvqigsnnirahvgdfiftsklvdgr fpdyrrvlpknpdkhleagcdllkqafaraailsnekfrgvrlyvsenqlkitannpeqe eaeeildvtysgaemeigfnvsyvldvlnalkcenvrmmltdsvssvqiedaasqsaayv vmpmrl