Chains and heterogens:
PDB Chain Sequences:
>1v1pA (A:) mrgshhhhhhgsaekqervqhlhdirdlhryyssesfeysnvsgkvenyngsnvvrfnpq nhqlfllgkdkeqykeglqgqnvfvvqelidpngrlstvggvtkknnktsetntplfvnk vngedldasidsfliqkeeislkeldfkirqqlvnnyglykgtskygkiiinlkdenkve idlgdklqfermgdvlnskdirgisvtinqi
>1v1pA (A:) hlhdirdlhryyssesfeysnvsgkvenyngsnvvrfnpqnhqlfllgkdkeqykeglqg qnvfvvqelidpngrlstvggvtkknnktsetntplfvnkvngedldasidsfliqkeei slkeldfkirqqlvnnyglykgtskygkiiinlkdenkveidlgdklqfermgdvlnskd irgisvtinqi
>1v1pB (B:) mrgshhhhhhgsaekqervqhlhdirdlhryyssesfeysnvsgkvenyngsnvvrfnpk dqnhqlfllgkdkeqykeglqgqnvfvvqelidpngrlstvggvtkknnktsetntplfv nkvngedldasidsfliqkeeislkeldfkirqqlvnnyglykgtskygkiiinlkdenk veidlgdklqfermgdvlnskdirgisvtinqi
>1v1pB (B:) hdirdlhryyssesfeysnvsgkvenyngsnvvrfnpkdqnhqlfllgkdkeqykeglqg qnvfvvqelidpngrlstvggvtkknnktsetntplfvnkvngedldasidsfliqkeei slkeldfkirqqlvnnyglykgtskygkiiinlkdenkveidlgdklqfermgdvlnskd irgisvtinqi