Chains and heterogens:
PDB Chain Sequences:
>1f2eA (A:) mklfispgacslaphialretgadfeavkvdlavrkteagedfltvnpsgkvpaltldsg etltenpaillyiadqnpasglapaegsldryrllsrlsflgsefhkafvplfapatsde akaaaaesvknhlaaldkelagrdhyagnafsvadiylyvmlgwpayvgidmaaypalga yagkiaqrpavgaalkaegla
>1f2eB (B:) mklfispgacslaphialretgadfeavkvdlavrkteagedfltvnpsgkvpaltldsg etltenpaillyiadqnpasglapaegsldryrllsrlsflgsefhkafvplfapatsde akaaaaesvknhlaaldkelagrdhyagnafsvadiylyvmlgwpayvgidmaaypalga yagkiaqrpavgaalkaegla
>1f2eC (C:) mklfispgacslaphialretgadfeavkvdlavrkteagedfltvnpsgkvpaltldsg etltenpaillyiadqnpasglapaegsldryrllsrlsflgsefhkafvplfapatsde akaaaaesvknhlaaldkelagrdhyagnafsvadiylyvmlgwpayvgidmaaypalga yagkiaqrpavgaalkaegla
>1f2eD (D:) mklfispgacslaphialretgadfeavkvdlavrkteagedfltvnpsgkvpaltldsg etltenpaillyiadqnpasglapaegsldryrllsrlsflgsefhkafvplfapatsde akaaaaesvknhlaaldkelagrdhyagnafsvadiylyvmlgwpayvgidmaaypalga yagkiaqrpavgaalkaegla