Chains and heterogens:
PDB Chain Sequences:
>1ypn_ (-) dnvlriatrqsplalwqahyvkdklmashpglvvelvpmvtrgdvildtplakvggqglf vkelevallenradiavhsmkdvpvefpqglglvticeredprdafvsnnydsldalpag sivgtsslrrqcqlaerrpdliirslrgnvgtrlskldngeydaiilavaglkrlglesr iraalppeislpavgqgavgiecrlddsrtrellaalnhhetalrvtaeramntrleggc qvpigsyaelidgeiwlralvgapdgsqiirgerrgapqdaeqmgislaeellnngarei laev
>1ypn_ (-) dnvlriatrqsplalwqahyvkdklmashpglvvelvpmvtrgdvgqglfvkelevalle nradiavhsmkdvpvefpqglglvticeredprdafvsnnydsldalpagsivgtsslrr qcqlaerrpdliirslrgnvgtrlskldngeydaiilavaglkrlglesriraalppeis lpavgqgavgiecrlddsrtrellaalnhhetalrvtaeramntrleggcqvpigsyael idgeiwlralvgapdgsqiirgerrgapqdaeqmgislaeellnngareilaev