Chains and heterogens:
PDB Chain Sequences:
>1ps9A (A:) sypslfapldlgfttlknrvlmgsmhtgleeypdgaerlaafyaerarhgvalivsggia pdltgvgmeggamlndasqiphhrtiteavhqeggkialqilhtgrysyqphlvapsalq apinrfvphelsheeilqlidnfarcaqlareagydgvevmgsegylinefltlrtnqrs dqwggdyrnrmrfavevvravrervgndfiiiyrlsmldlvedggtfaetvelaqaieaa gatiintgigwheariptiatpvprgafswvtrklkghvslplvttnrindpqvaddils rgdadmvsmarpfladaellskaqsgradeintcigcnqacldqifvgkvtsclvnprac hetkmpilpavqkknlavvgagpaglafainaaarghqvtlfdahseiggqfniakqipg keefyetlryyrrmievtgvtlklnhtvtadqlqafdetilasgivprtppidgidhpkv lsyldvlrdkapvgnkvaiigcggigfdtamylsqpgestsqniagfcnewgidsslqqa gglspqgmqiprsprqivmlqrkaskpgqglgkttgwihrttllsrgvkmipgvsyqkid ddglhvvingetqvlavdnvvicagqepnralaqplidsgktvhliggcdvameldarra iaqgtrlalei