Chains and heterogens:
PDB Chain Sequences:
>1h99A (A:) gamekfktllydipiecmevseeiisyaklqlgkklndsiyvsltdhinfaiqrnqkgld iknallwetkrlykdefaigkealvmvknktgvslpedeagfialhivnaelneempnii nitkvmeeilsivkyhfkiefneeslhyyrfvtdlkffaqrlfngthmeseddflldtvk ekyhrayectkkiqtyiereyehkltsdellyltidiervvk
>1h99A (A:) gamekfktllydipiecmevseeiisyaklqlgkklndsiyvsltdhinfaiqrnqkgld iknallwetkrlykdefaigkealvmvknktgvslpedeagfialhivnaelneempnii nitkvmeeilsivkyhfkiefneeslhyyrfvtdlkffaqrlfngthmeddflldtvkek yhrayectkkiqtyiereyehkltsdellyltidiervvk