Chains and heterogens:
PDB Chain Sequences:
>4xdyA (A:) meilhdedvddsilrdktiavmgygaqgdaqanclkdsginvvigeteilggnknpswek akedgfevlpidkaaekgdvvhillpdevqpaiyenqikpqlkagkalcfshgfnicfkr ivppedvdvimvapkapgteerkaylegfgvpglvavkqnpsgearevalamtkamhwtk agilectfeqetyedlfgeqcvlcgglvelmrngfevlveagyppemayfecvhemkliv dlvwqggikrmaevisntaeygmwavghqiigpevkekmkealkrvengefanewvdeyk rgipflkasrekmgehqvetvgaeirklfaqkhhhhhh
>4xdyA (A:) meilhdedvddsilrdktiavmgygaqgdaqanclkdsginvvigeteilggnknpswek akedgfevlpidkaaekgdvvhillpdevqpaiyenqikpqlkagkalcfshgfnicfkr ivppedvdvimvapkapgteerkaylegfgvpglvavkqnpsgearevalamtkamhwtk agilectfeqetyedlfgeqcvlcgglvelmrngfevlveagyppemayfecvhemkliv dlvwqggikrmaevisntaeygmwavghqiigpevkekmkealkrvengefanewvdeyk rgipflkasrekmgehqvetvgaeirklfaq
>4xdyB (B:) meilhdedvddsilrdktiavmgygaqgdaqanclkdsginvvigeteilggnknpswek akedgfevlpidkaaekgdvvhillpdevqpaiyenqikpqlkagkalcfshgfnicfkr ivppedvdvimvapkapgteerkaylegfgvpglvavkqnpsgearevalamtkamhwtk agilectfeqetyedlfgeqcvlcgglvelmrngfevlveagyppemayfecvhemkliv dlvwqggikrmaevisntaeygmwavghqiigpevkekmkealkrvengefanewvdeyk rgipflkasrekmgehqvetvgaeirklfaqkhhhhhh
>4xdyB (B:) meilhdedvddsilrdktiavmgygaqgdaqanclkdsginvvigeteilggnknpswek akedgfevlpidkaaekgdvvhillpdevqpaiyenqikpqlkagkalcfshgfnicfkr ivppedvdvimvapkapgteerkaylegfgvpglvavkqnpsgearevalamtkamhwtk agilectfeqetyedlfgeqcvlcgglvelmrngfevlveagyppemayfecvhemkliv dlvwqggikrmaevisntaeygmwavghqiigpevkekmkealkrvengefanewvdeyk rgipflkasrekmgehqvetvgaeirklfaq