Chains and heterogens:
PDB Chain Sequences:
>1ykjA (A:) mktqvaiigagpsglllgqllhkagidnvilerqtpdyvlgrirggvleqgmvdllreag vdrrmardglvhegveiafagqrrridlkrlsggktvtvygqtevtrdlmeareacgatt vyqaaevrlhdlqgerpyvtferdgerlrldcdyiagcdgfhgisrqsipaerlkvferv ypfgwlglladtppvsheliyanhprgfalcsqrsatrsryyvqvplsekvedwsderfw telkarlpsevaeklvtgpsleksiaplrsfvvepmqhgrlflagdaahivpptgakgln laasdvstlyrlllkayregrgellerysaiclrriwkaerfswwmtsvlhrfpdtdafs qriqqteleyylgseaglatiaenyvglpyeeie
>1ykjB (B:) mktqvaiigagpsglllgqllhkagidnvilerqtpdyvlgrirggvleqgmvdllreag vdrrmardglvhegveiafagqrrridlkrlsggktvtvygqtevtrdlmeareacgatt vyqaaevrlhdlqgerpyvtferdgerlrldcdyiagcdgfhgisrqsipaerlkvferv ypfgwlglladtppvsheliyanhprgfalcsqrsatrsryyvqvplsekvedwsderfw telkarlpsevaeklvtgpsleksiaplrsfvvepmqhgrlflagdaahivpptgakgln laasdvstlyrlllkayregrgellerysaiclrriwkaerfswwmtsvlhrfpdtdafs qriqqteleyylgseaglatiaenyvglpyeeie
>1ykjB (B:) mktqvaiigagpsglllgqllhkagidnvilerqtpdyvlgrirggvleqgmvdllreag vdrrmarlvhegveiafagqrrridlkrlsggktvtvygqtevtrdlmeareacgattvy qaaevrlhdlqgerpyvtferdgerlrldcdyiagcdgfhgisrqsipaerlkvfervyp fgwlglladtppvsheliyanhprgfalcsqrsatrsryyvqvplsekvedwsderfwte lkarlpsevaeklvtgpsleksiaplrsfvvepmqhgrlflagdaahivpptgakglnla asdvstlyrlllkayregrgellerysaiclrriwkaerfswwmtsvlhrfpdtdafsqr iqqteleyylgseaglatiaenyvglpyeeie