Chains and heterogens:
PDB Chain Sequences:
>1fupA (A:) rsekdsmgaidvpadklwgaqtqrslehfristekmptslihalaltkraaakvnedlgl lseekasairqaadevlagqhddefplaiwqtgsgtqsnmnmnevlanrasellggvrgm erkvhpnddvnksqssndvfptamhvaallalrkqlipqlktltqtlneksrafadivki grthlqdatpltlgqeisgwvamlehnlkhieyslphvaelalggtavgtglnthpeyar rvadelavitcapfvtapnkfealatcdalvqahgalkglaaslmkiandvrwlasgprc gigeisipenepgssimpgkvnptqcealtmlccqvmgndvainmggasgnfelnvfrpm vihnflqsvrlladgmesfnkhcavgiepnrerinqllneslmlvtalnthigydkaaei akkahkegltlkaaalalgylseaefdswvrpeqm
>1fupB (B:) mntvrsekdsmgaidvpadklwgaqtqrslehfristekmptslihalaltkraaakvne dlgllseekasairqaadevlagqhddefplaiwqtgsgtqsnmnmnevlanrasellgg vrgmerkvhpnddvnksqssndvfptamhvaallalrkqlipqlktltqtlneksrafad ivkigrthlqdatpltlgqeisgwvamlehnlkhieyslphvaelalggtavgtglnthp eyarrvadelavitcapfvtapnkfealatcdalvqahgalkglaaslmkiandvrwlas gprcgigeisipenepgssimpgkvnptqcealtmlccqvmgndvainmggasgnfelnv frpmvihnflqsvrlladgmesfnkhcavgiepnrerinqllneslmlvtalnthigydk aaeiakkahkegltlkaaalalgylseaefdswvrpeqm
>1fupB (B:) mntvrsekdsmgaidvpadklwgaqtqrslehfristekmptslihalaltkraaakvne dlgllseekasairqaadevlagqhddefplaiwqtgsgtqsnmnmnevlanrasellgg vrgmerkvhpnddvnksqssndvfptamhvaallalrkqlipqlktltqtlneksrafad ivkigrthlqdatpltlgqeisgwvamlehnlkhieyslphvaelalggtavgtglnthp eyarrvadelavitcapfvtapnkfealatcdalvqahgalkglaaslmkiandvrwlas gprcgigeisipenepmpgkvnptqcealtmlccqvmgndvainmggasgnfelnvfrpm vihnflqsvrlladgmesfnkhcavgiepnrerinqllneslmlvtalnthigydkaaei akkahkegltlkaaalalgylseaefdswvrpeqm