Chains and heterogens:
PDB Chain Sequences:
>2i4iA (A:) smveatgnncpphiesfsdvemgeiimgnieltrytrptpvqkhaipiikekrdlmacaq tgsgktaafllpilsqiysdgpgealramkengrygrrkqypislvlaptrelavqiyee arkfsyrsrvrpcvvyggadigqqirdlergchllvatpgrlvdmmergkigldfckylv ldeadrmldmgfepqirriveqdtmppkgvrhtmmfsatfpkeiqmlardfldeyiflav grvgstsenitqkvvwveesdkrsflldllnatgkdsltlvfvetkkgadsledflyheg yactsihgdrsqrdreealhqfrsgkspilvatavaargldisnvkhvinfdlpsdieey vhrigrtgrvgnlglatsffnerninitkdlldllveakqevpswlenmayehhykg
>2i4iA (A:) mveatgnncpphiesfsdvemgeiimgnieltrytrptpvqkhaipiikekrdlmacaqt gsgktaafllpilsqiysdgpgealramkengrygrrkqypislvlaptrelavqiyeea rkfsyrsrvrpcvvyggadigqqirdlergchllvatpgrlvdmmergkigldfckylvl deadrmldmgfepqirriveqdtmppkgvrhtmmfsatfpkeiqmlardfldeyiflavg tsenitqkvvwveesdkrsflldllnatgkdsltlvfvetkkgadsledflyhegyacts ihgdrsqrdreealhqfrsgkspilvatavaargldisnvkhvinfdlpsdieeyvhrig rtgrnlglatsffnerninitkdlldllveakqevpswlenmayehhy