Chains and heterogens:
PDB Chain Sequences:
>4xi2A (A:) telkkvvalydympmnandlqlrkgeeyfileesnlpwwrardkngqegyipsnyiteae dsiemyewyskhmtrsqaeqllkqegkeggfivrdsskagkytvsvfakstgepqgvirh yvvcstpqsqyylaekhlfstipelinyhqhnsaglisrlkypvskqnknapstaglgyg sweidpkdltflkelgtgqfgvvkygkwrgqydvaikmiregsmsedefieeakvmmnls heklvqlygvctkqrpifiiteymangcllnylremrhrfqtqqllemckdvceameyle skqflhrdlaarnclvndqgvvkvsdfglsryvlddeytssvgskfpvrwsppevlmysk fssksdiwafgvlmweiyslgkmpyerftnsetaehiaqglrlyrphlaservytimysc whekaderpsfkillsnildvmdees
>4xi2A (A:) telkkvvalydympmnandlqlrkgeeyfileesnlpwwrardkngqegyipsnyiteae dsiemyewyskhmtrsqaeqlleggfivrdytvsvfakgvirhyvvcyylaekhlfstip elinyhqhnsaglisrlkypvskqnknapstaglgygsweidpkdltflkelgtgqfgvv kygkwrgqydvaikmiregsmsedefieeakvmmnlsheklvqlygvctkqrpifiitey mangcllnylremrhrfqtqqllemckdvceameyleskqflhrdlaarnclvndqgvvk vsdfglsryvlddeytssvgskfpvrwsppevlmyskfssksdiwafgvlmweiyslgkm pyerftnsetaehiaqglrlyrphlaservytimyscwhekaderpsfkillsnildvmd e