Chains and heterogens:
PDB Chain Sequences:
>3na1A (A:) strsprpfneipspgdngwlnlyhfwretgthkvhlhhvqnfqkygpiyreklgnvesvy vidpedvallfksegpnperflippwvayhqyyqrpigvllkksaawkkdrvalnqevma peatknflplldavsrdfvsvlhrrikkagsgnysgdisddlfrfafesitnvifgerqg mleevvnpeaqrfidaiyqmfhtsvpmlnlppdlfrlfrtktwkdhvaawdvifskadiy tqnfywelrqkgsvhhdyrgilyrllgdskmsfedikanvtemlaggvdttsmtlqwhly emarnlkvqdmlraevlaarhqaqgdmatmlqlvpllkasiketlrlhpisvtlqrylvn dlvlrdymipaktlvqvaiyalgreptfffdpenfdptrwlskdknityfrnlgfgwgvr qclgrriaelemtiflinmlenfrveiqhlsdvgttfnlilmpekpisftfwpfnqeatq qhhhhhh
>3na1A (A:) sprpfneipspgdngwlnlyhfwretgthkvhlhhvqnfqkygpiyreklgnvesvyvid pedvallfksegpnperflippwvayhqyyqrpigvllkksaawkkdrvalnqevmapea tknflplldavsrdfvsvlhrrikkagsgnysgdisddlfrfafesitnvifgerqgmle evvnpeaqrfidaiyqmfhtsvpmlnlppdlfrlfrtktwkdhvaawdvifskadiytqn fywelrqkgsvhhdyrgilyrllgdskmsfedikanvtemlaggvdttsmtlqwhlyema rnlkvqdmlraevlaarhqaqgdmatmlqlvpllkasiketlrlhpisvtlqrylvndlv lrdymipaktlvqvaiyalgreptfffdpenfdptrwlskdknityfrnlgfgwgvrqcl grriaelemtiflinmlenfrveiqhlsdvgttfnlilmpekpisftfwpfn
>3na1B (B:) strsprpfneipspgdngwlnlyhfwretgthkvhlhhvqnfqkygpiyreklgnvesvy vidpedvallfksegpnperflippwvayhqyyqrpigvllkksaawkkdrvalnqevma peatknflplldavsrdfvsvlhrrikkagsgnysgdisddlfrfafesitnvifgerqg mleevvnpeaqrfidaiyqmfhtsvpmlnlppdlfrlfrtktwkdhvaawdvifskadiy tqnfywelrqkgsvhhdyrgilyrllgdskmsfedikanvtemlaggvdttsmtlqwhly emarnlkvqdmlraevlaarhqaqgdmatmlqlvpllkasiketlrlhpisvtlqrylvn dlvlrdymipaktlvqvaiyalgreptfffdpenfdptrwlskdknityfrnlgfgwgvr qclgrriaelemtiflinmlenfrveiqhlsdvgttfnlilmpekpisftfwpfnqeatq qhhhhhh
>3na1B (B:) prpfneipspgdngwlnlyhfwretgthkvhlhhvqnfqkygpiyreklgnvesvyvidp edvallfksegpnperflippwvayhqyyqrpigvllkksaawkkdrvalnqevmapeat knflplldavsrdfvsvlhrrikkagsgnysgdisddlfrfafesitnvifgerqgmlee vvnpeaqrfidaiyqmfhtsvpmlnlppdlfrlfrtktwkdhvaawdvifskadiytqnf ywelrqkgsvhhdyrgilyrllgdskmsfedikanvtemlaggvdttsmtlqwhlyemar nlkvqdmlraevlaarhqaqgdmatmlqlvpllkasiketlrlhpisvtlqrylvndlvl rdymipaktlvqvaiyalgreptfffdpenfdptrwlskdknityfrnlgfgwgvrqclg rriaelemtiflinmlenfrveiqhlsdvgttfnlilmpekpisftfwpfn
>3na1C (C:) ssedkitvhfinrdgetlttkgkvgdslldvvvennldidgfgacegtlacstchlifed hiyekldaitdeendmldlaygltdrsrlgcqicltksmdnmtvrvpetvadarqsidvg kts
>3na1C (C:) gacegtlacstcdeendmldlalgcq
>3na1D (D:) ssedkitvhfinrdgetlttkgkvgdslldvvvennldidgfgacegtlacstchlifed hiyekldaitdeendmldlaygltdrsrlgcqicltksmdnmtvrvpetvadarqsidvg kts
>3na1D (D:) acegtlacstceendmldlalgcq