Chains and heterogens:
PDB Chain Sequences:
>1k6jA (A:) maqqkktiavvnatgrqaaslirvaaavghhvraqvhslkgliaeelqaipnvtlfqgpl lnnvplmdtlfegahlafinttsqagdeiaigkdladaakragtiqhyiyssmpdhslyg pwpavpmwapkftvenyvrqlglpstfvyagiynnnftslpyplfqmelmpdgtfewhap fdpdiplpwldaehdvgpallqifkdgpqkwnghrialtfetlspvqvcaafsralnrrv tyvqvpkveikvnipvgyreqleaievvfgehkapyfplpefsrpaagspkglgpangkg agagmmqgpggvisqrvtdearklwsgwrdmeeyarevfpieeeangldwml
>1k6jA (A:) qkktiavvnatgrqaaslirvaaavghhvraqvhslkgliaeelqaipnvtlfqgpllnn vplmdtlfegahlafinttsqagdeiaigkdladaakragtiqhyiyssmpdhslygpwp avpmwapkftvenyvrqlglpstfvyagiynnnftslpyplfqmelmpdgtfewhapfdp diplpwldaehdvgpallqifkdgpqkwnghrialtfetlspvqvcaafsralnrrvtyv qvpkveikvnipvgyreqleaievvfgehkapyfplpefsrpaaqrvtdearklwsgwrd meeyarevfpieeeangldwml
>1k6jB (B:) maqqkktiavvnatgrqaaslirvaaavghhvraqvhslkgliaeelqaipnvtlfqgpl lnnvplmdtlfegahlafinttsqagdeiaigkdladaakragtiqhyiyssmpdhslyg pwpavpmwapkftvenyvrqlglpstfvyagiynnnftslpyplfqmelmpdgtfewhap fdpdiplpwldaehdvgpallqifkdgpqkwnghrialtfetlspvqvcaafsralnrrv tyvqvpkveikvnipvgyreqleaievvfgehkapyfplpefsrpaagspkglgpangkg agagmmqgpggvisqrvtdearklwsgwrdmeeyarevfpieeeangldwml
>1k6jB (B:) aqqkktiavvnatgrqaaslirvaaavghhvraqvhslkgliaeelqaipnvtlfqgpll nnvplmdtlfegahlafinttsqagdeiaigkdladaakragtiqhyiyssmpdhslygp wpavpmwapkftvenyvrqlglpstfvyagiynnnftslpyplfqmelmpdgtfewhapf dpdiplpwldaehdvgpallqifkdgpqkwnghrialtfetlspvqvcaafsralnrrvt yvqvpkveikvnipvgyreqleaievvfgehkapyfplpefsrqrvtdearklwsgwrdm eeyarevfpieeeangldwml