Chains and heterogens:
PDB Chain Sequences:
>1k4yA (A:) ppvvdtvhgkvlgkfvslegfaqpvavflgvpfakpplgslrfappqpaeswshvkntts yppmcsqdavsghmlselftnrkeniplkfsedclylniytpadltkrgrlpvmvwihgg glmvggastydglalsahenvvvvtiqyrlgiwgffstgdehsrgnwghldqvaalrwvq dnianfggdpgsvtifgesaggqsvsilllspltknlfhraisesgvallsslfrkntks laekiaieagcktttsavmvhclrqkteeelmevtlkmkfmaldlvgdpkentaflttvi dgvllpkapaeilaekkynmlpymvginqqefgwiipmqmlgyplsegkldqktatellw ksypivnvskeltpvatekylggtddpvkkkdlfldmladllfgvpsvnvarhhrdagap tymyeyryrpsfssdmrpktvigdhgdeifsvlgapflkegateeeiklskmvmkywanf arngnpngeglpqwpaydykegylqigattqaaqklkdkevafwtelwakeaar
>1k4yA (A:) ppvvdtvhgkvlgkfvslegfaqpvavflgvpfakpplgslrfappqpaeswshvkntts yppmcsqdavsghmlselftnrkeniplkfsedclylniytpadltkrgrlpvmvwihgg glmvggastydglalsahenvvvvtiqyrlgiwgffstgdehsrgnwghldqvaalrwvq dnianfggdpgsvtifgesaggqsvsilllspltknlfhraisesgvallsslfrkntks laekiaieagcktttsavmvhclrqkteeelmevtlkmkfmaldlvgdpkentaflttvi dgvllpkapaeilaekkynmlpymvginqqefkldqktatellwksypivnvskeltpva tekylggtddpvkkkdlfldmladllfgvpsvnvarhhrdagaptymyeyrhgdeifsvl gapflkegateeeiklskmvmkywanfarngnpngeglpqwpaydykegylqigattqaa qklkdkevafwtelwakeaar