Chains and heterogens:
PDB Chain Sequences:
>1nubA (A:) aplapcqnhhckhgkvceldenntpmcvcqdptscpapigefekvcsndnktfdsschff atkctlegtkkghklhldyigpckyippcldseltefplrmrdwlknvlvtlyerdednn lltekqklrvkkihenekrleagdhpeknynmyifpvhwqfgqldqhpidgylshtelap lraplipmehcttrffetcdldndkyialdewagcfgikqkdidkdlvi
>1nubA (A:) apcqnhhckhgkvceldenntpmcvcqdptscpapigefekvcsndnktfdsschffatk ctlegtkkghklhldyigpckyippcldseltefplrmrdwlknvlvtlyerdednnllt ekqklrvkkihenekrleagdhpeknynmyifpvhwqfgqldqhpidgylshtelaplra plipmehcttrffetcdldndkyialdewagcfgikqkdidkdlvi
>1nubB (B:) aplapcqnhhckhgkvceldenntpmcvcqdptscpapigefekvcsndnktfdsschff atkctlegtkkghklhldyigpckyippcldseltefplrmrdwlknvlvtlyerdednn lltekqklrvkkihenekrleagdhpeknynmyifpvhwqfgqldqhpidgylshtelap lraplipmehcttrffetcdldndkyialdewagcfgikqkdidkdlvi
>1nubB (B:) apcqnhhckhgkvceldenntpmcvcqdptscpapigefekvcsndnktfdsschffatk ctlegtkkghklhldyigpckyippcldseltefplrmrdwlknvlvtlyerdednnllt ekqklrvkkihenekrleagdhpeknynmyifpvhwqfgqldqhpidgylshtelaplra plipmehcttrffetcdldndkyialdewagcfgikqkdidkdlvi