Chains and heterogens:
PDB Chain Sequences:
>1ffyA (A:) mdyektllmpktdfpmrgglpnkepqiqekwdaedqyhkaleknkgnetfilhdgppyan gnlhmghalnkilkdfivryktmqgfyapyvpgwdthglpieqaltkkgvdrkkmstaef rekckefaleqielqkkdfrrlgvrgdfndpyitlkpeyeaaqirifgemadkgliykgk kpvywspssesslaeaeieyhdkrsasiyvafnvkddkgvvdadakfiiwtttpwtipsn vaitvhpelkygqynvngekyiiaealsdavaealdwdkasiklekeytgkelewvvaqh pfldreslvingdhvttdagtgcvhtapghgeddyivgqqyelpvispiddkgvfteegg qfegmfydkankavtdlltekgallkldfithsyphdwrtkkpvifratpqwfasiskvr qdildaientnfkvnwgktriynmvrdrgewvisrqrvwgvplpvfyaengeiimtketv nhvadlfaehgsniwfereakdllpegfthpgspngtftketdimdvwfdsgsshrgvle trpelsfpadmylegsdqyrgwfnssittsvatrgvspykfllshgfvmdgegkkmsksl gnvivpdqvvkqkgadiarlwvsstdyladvrisdeilkqtsddyrkirntlrfmlgnin dfnpdtdsipesellevdryllnrlreftastinnyenfdylniyqevqnfinvelsnfy ldygkdilyieqrdshirrsmqtvlyqilvdmtkllapilvhtaeevwshtphvkeesvh ladmpkvvevdqalldkwrtfmnlrddvnraletarnekvigksleakvtiasndkfnas efltsfdalhqlfivsqvkvvdklddqatayehgdiviehadgekcercwnysedlgavd elthlcprcqqvvkslv