Chains and heterogens:
PDB Chain Sequences:
>1i4lA (A:) gsrtvdlelelqiellretkrkyesvlqlgraltahlysllqtqhalgdafadlsqkspe lqeefgynaetqkllckngetllgavnffvssintlvtktmedtlmtvkqyeaarleyda yrtdleelslgprdagtrgrlesaqatfqahrdkyeklrgdvaiklkfleenkikvmhkq lllfhnavsayfagnqkqleqtlqqfniklrppgaekpswleeq
>1i4lA (A:) srtvdlelelqiellretkrkyesvlqlgraltahlysllqtqhalgdafadlsqkspel qeefgynaetqkllckngetllgavnffvssintlvtktmedtlmtvkqyeaarleyday rtdleelslgprdagdkyeklrgdvaiklkfleenkikvmhkqlllfhnavsayfagnqk qleqt
>1i4lB (B:) gsrtvdlelelqiellretkrkyesvlqlgraltahlysllqtqhalgdafadlsqkspe lqeefgynaetqkllckngetllgavnffvssintlvtktmedtlmtvkqyeaarleyda yrtdleelslgprdagtrgrlesaqatfqahrdkyeklrgdvaiklkfleenkikvmhkq lllfhnavsayfagnqkqleqtlqqfniklrppgaekpswleeq
>1i4lB (B:) dlelelqiellretkrkyesvlqlgraltahlysllqtqhalgdafadlsqkspelqeef gynaetqkllckngetllgavnffvssintlvtktmedtlmtvkqyeaarleydayrtdl eelslgprdkyeklrgdvaiklkfleenkikvmhkqlllfhnavsayfagnqkqleqt
>1i4lD (D:) mqaikcvvvgdgavgktcllisyttnafpgeyiptvfdnysanvmvdgkpvnlglwdtag qedydrlrplsypqtdvflicfslvspasfenvrakwypevrhhcpntpiilvgtkldlr ddkdtieklkekkltpitypqglamakeigavkylecsaltqrglktvfdeairavlcpp pvkkrkrkclll
>1i4lD (D:) qaikcvvvgdgavgktcllisyttnafpgeyiptvfdnysanvmvdgkpvnlglwdtagq edydrlrplsypqtdvflicfslvspasfenvrakwypevrhhcpntpiilvgtkldlrd dkdtieklkekkltpitypqglamakeigavkylecsaltqrglktvfdeairavlc