Chains and heterogens:
PDB Chain Sequences:
>2x1pA (A:) qvqlqesggglvqaggslrlscaasgrtftsfamgwfrqapgkerefvasisrsgtltry adsakgrftisvdnakntvslqmdnlnpddtavyycaadlhrpygpgtqrsdeydswgqg tqvtvss
>2x1pA (A:) qlqesggglvqaggslrlscaasfamgwfrqapgkerefvasisrsgtltryadsakgrf tisvdnakntvslqmdnlnpddtavyycaadlhrpygpgtqrsdeydswgqgtqvtvs
>2x1pB (B:) qvqlqesggglvqaggslrlscaasgrtftsfamgwfrqapgkerefvasisrsgtltry adsakgrftisvdnakntvslqmdnlnpddtavyycaadlhrpygpgtqrsdeydswgqg tqvtvss
>2x1pB (B:) qlqesggglvqaggslrlscaasfamgwfrqapgkerefvasisrsgtltryadsakgrf tisvdnakntvslqmdnlnpddtavyycaadlhrpygpgtqrsdeydswgqgtqvtvs
>2x1pC (C:) qvqlqesggglvqaggslrlscaasgrtftsfamgwfrqapgkerefvasisrsgtltry adsakgrftisvdnakntvslqmdnlnpddtavyycaadlhrpygpgtqrsdeydswgqg tqvtvss
>2x1pC (C:) qlqesggglvqaggslrlscaasfamgwfrqapgkerefvasisrsgtltryadsakgrf tisvdnakntvslqmdnlnpddtavyycaadlhrpygpgtqrsdeydswgqgtqvtvs
>2x1pD (D:) qvqlqesggglvqaggslrlscaasgrtftsfamgwfrqapgkerefvasisrsgtltry adsakgrftisvdnakntvslqmdnlnpddtavyycaadlhrpygpgtqrsdeydswgqg tqvtvss
>2x1pD (D:) qlqesggglvqaggslrlscaasfamgwfrqapgkerefvasisrsgtltryadsakgrf tisvdnakntvslqmdnlnpddtavyycaadlhrpygpgtqrsdeydswgqgtqvtvs