Chains and heterogens:
PDB Chain Sequences:
>1ph2A (A:) yeyvelakasltsaqpqhfyavvidatfpyktnqeryicslkivdptlylkqqkgagdas dyatlvlyakrfedlpiihragdiirvhratlrlyngqrqfnanvfyssswalfstdkrs vtqeinnqdavsdttpfsfsskhatiekneisilqnlrkwanqyfssysvissdmytaln kaqaqkgdfdvvakilqvheldeytnelklkdasgqvfytlslklkfphvrtgevvrirs atydetstqkkvlilshysniitfiqssklakelrakiqddhsvevaslkknvslnavvl tevdkkhaalpstslqdlfhhadsdkelqaqdtfrtqfyvtkiepsdvkewvkgydrktk kssslkgasgkgdnifqvqflvkdastqlnnntyrvllytqdglganffnvkadnlhkna darkkledsaelltkfnsyvdavverrngfylikdtkli
>1ph2B (B:) qqqsafkqlytelfnnegdfskvssnlkkplkcyvkesyphflvtdgyffvapyftkeav nefhakfpnvnivdltdkvivinnwslelrrvnsaevftsyanlearlivhsfkpnlqer lnptrypvnlfrddefkttiqhfrhtalqaainktvkgdnlvdiskvadaagkkgkvdag ivkasaskgdefsdfsfkegntatlkiadifvqekg