Chains and heterogens:
PDB Chain Sequences:
>2r2fA (A:) mklsrisainwnkiqddkdlevwnrltsnfwlpekvplsndipawqtlsaaeqqltirvf tgltlldtiqniagapslmadaitpheeavlsnisfmeavharsyssifstlcqtkevda ayawseenpplqrkaqiilahyvsdeplkkkiasvflesflfysgfwlpmyfssrgkltn tadlirliirdeavhgyyigykyqialqklsaiereelklfaldllmelydneiryteal yaetgwvndvkaflcynankalmnlgyealfppemadvnpailaalspnadenhdffsgs gssyvmgktvetededwnf
>2r2fA (A:) srisainwnkiqddkdlevwnrltsnfwlpekvplsndipawqtlsaaeqqltirvftgl tlldtiqniagapslmadaitpheeavlsnisfmeavharsyssifstlcqtkevdaaya wseenpplqrkaqiilahyvsdeplkkkiasvflesflfysgfwlpmyfssrgkltntad lirliirdeavhgyyigykyqialqklsaiereelklfaldllmelydneirytealyae tgwvndvkaflcynankalmnlgyealfppemadvnpailaalspn
>2r2fB (B:) mklsrisainwnkiqddkdlevwnrltsnfwlpekvplsndipawqtlsaaeqqltirvf tgltlldtiqniagapslmadaitpheeavlsnisfmeavharsyssifstlcqtkevda ayawseenpplqrkaqiilahyvsdeplkkkiasvflesflfysgfwlpmyfssrgkltn tadlirliirdeavhgyyigykyqialqklsaiereelklfaldllmelydneiryteal yaetgwvndvkaflcynankalmnlgyealfppemadvnpailaalspnadenhdffsgs gssyvmgktvetededwnf
>2r2fB (B:) klsrisainwnkiqddkdlevwnrltsnfwlpekvplsndipawqtlsaaeqqltirvft gltlldtiqniagapslmadaitpheeavlsnisfmeavharsyssifstlcqtkevdaa yawseenpplqrkaqiilahyvsdeplkkkiasvflesflfysgfwlpmyfssrgkltnt adlirliirdeavhgyyigykyqialqklsaiereelklfaldllmelydneirytealy aetgwvndvkaflcynankalmnlgyealfppemadvnpailaal