Chains and heterogens:
PDB Chain Sequences:
>2ypnA (A:) dnvlriatrqsplalwqahyvkdklmashpglvvelvpmvtrgdvildtplakvggkglf vkelevallenradiavhsmkdvpvefpqglglvticeredprdafvsnnydsldalpag sivgtsslrrqcqlaerrpdliirslrgnvgtrlskldngeydaiilavaglkrlglesr iraalppeislpavgqgavgiecrlddsrtrellaalnhhetalrvtaeramntrleggc qvpigsyaelidgeiwlralvgapdgsqiirgerrgapqdaeqmgislaeellnngarei laevyngdapa
>2ypnA (A:) dnvlriatrqsplalwqahyvkdklmashpglvvelvpmvglfvkelevallenradiav hsmkdvpvefpqglglvticeredprdafvsnnydsldalpagsivgtsslrrqcqlaer rpdliirslrgnvgtrlskldngeydaiilavaglkrlglesriraalppeislpavgqg avgiecrlddsrtrellaalnhhetalrvtaeramntrleggcqvpigsyaelidgeiwl ralvgapdgsqiirgerrgapqdaeqmgislaeellnngareilaevyngdapa