Chains and heterogens:
PDB Chain Sequences:
>2ygxA (A:) mgsshhhhhhssglvprgshmtsaepraypfndvhgltlagrygelqetepvsrvrppyg eeawlvtryedvravlgdgrfvrgpsmtrdeprtrpemvkggllsmdppehsrlrrlvvk aftarraeslrprareiahelvdqmaatgqpadlvamfarqlpvrvicellgvpsadhdr ftrwsgaflstaevtaeemqeaaeqayaymgdlidrrrkeptddlvsalvqardqqdsls eqelldlaigllvagyestttqiadfvyllmtrpelrrqlldrpelipsaveeltrwvpl gvgtafpryavedvtlrgvtiragepvlastgaanrdqaqfpdadridvdrtpnqhlgfg hgvhhclgaplarvelqvalevllqrlpgirlgipetqlrwsegmllrgplelpvvw
>2ygxA (A:) epraypfndvhgltlagrygelqetepvsrvrppygeeawlvtryedvravlgdgrfvrg psmtrdeprtrpemvkggllsmdppehsrlrrlvvkaftarraeslrprareiahelvdq maatgqpadlvamfarqlpvrvicellgvpsadhdrftrwsgaflstaevtaeemqeaae qayaymgdlidrrrkeptddlvsalvqardqqdslseqelldlaigllvagyestttqia dfvyllmtrpelrrqlldrpelipsaveeltrwvplgvgtafpryavedvtlrgvtirag epvlastgaanrdqaqfpdadridvdrtpnqhlgfghgvhhclgaplarvelqvalevll qrlpgirlgipetqlrwsegmllrgplelpvvw
>2ygxB (B:) mgsshhhhhhssglvprgshmtsaepraypfndvhgltlagrygelqetepvsrvrppyg eeawlvtryedvravlgdgrfvrgpsmtrdeprtrpemvkggllsmdppehsrlrrlvvk aftarraeslrprareiahelvdqmaatgqpadlvamfarqlpvrvicellgvpsadhdr ftrwsgaflstaevtaeemqeaaeqayaymgdlidrrrkeptddlvsalvqardqqdsls eqelldlaigllvagyestttqiadfvyllmtrpelrrqlldrpelipsaveeltrwvpl gvgtafpryavedvtlrgvtiragepvlastgaanrdqaqfpdadridvdrtpnqhlgfg hgvhhclgaplarvelqvalevllqrlpgirlgipetqlrwsegmllrgplelpvvw
>2ygxB (B:) epraypfndvhgltlagrygelqetepvsrvrppygeeawlvtryedvravlgdgrfvrg psmtrdeprtrpemvkggllsmdppehsrlrrlvvkaftarraeslrprareiahelvdq maatgqpadlvamfarqlpvrvicellgvpsadhdrftrwsgaflstaevtaeemqeaae qayaymgdlidrrrkeptddlvsalvqardqqdslseqelldlaigllvagyestttqia dfvyllmtrpelrrqlldrpelipsaveeltrwvplgvgtafpryavedvtlrgvtirag epvlastgaanrdqaqfpdadridvdrtpnqhlgfghgvhhclgaplarvelqvalevll qrlpgirlgipetqlrwsegmllrgplelpvvw
>2ygxC (C:) mgsshhhhhhssglvprgshmtsaepraypfndvhgltlagrygelqetepvsrvrppyg eeawlvtryedvravlgdgrfvrgpsmtrdeprtrpemvkggllsmdppehsrlrrlvvk aftarraeslrprareiahelvdqmaatgqpadlvamfarqlpvrvicellgvpsadhdr ftrwsgaflstaevtaeemqeaaeqayaymgdlidrrrkeptddlvsalvqardqqdsls eqelldlaigllvagyestttqiadfvyllmtrpelrrqlldrpelipsaveeltrwvpl gvgtafpryavedvtlrgvtiragepvlastgaanrdqaqfpdadridvdrtpnqhlgfg hgvhhclgaplarvelqvalevllqrlpgirlgipetqlrwsegmllrgplelpvvw
>2ygxC (C:) epraypfndvhgltlagrygelqetepvsrvrppygeeawlvtryedvravlgdgrfvrg psmtrdeprtrpemvkggllsmdppehsrlrrlvvkaftarraeslrprareiahelvdq maatgqpadlvamfarqlpvrvicellgvpsadhdrftrwsgaflstaevtaeemqeaae qayaymgdlidrrrkeptddlvsalvqardqqdslseqelldlaigllvagyestttqia dfvyllmtrpelrrqlldrpelipsaveeltrwvplgvgtafpryavedvtlrgvtirag epvlastgaanrdqaqfpdadridvdrtpnqhlgfghgvhhclgaplarvelqvalevll qrlpgirlgipetqlrwsegmllrgplelpvvw
>2ygxD (D:) mgsshhhhhhssglvprgshmtsaepraypfndvhgltlagrygelqetepvsrvrppyg eeawlvtryedvravlgdgrfvrgpsmtrdeprtrpemvkggllsmdppehsrlrrlvvk aftarraeslrprareiahelvdqmaatgqpadlvamfarqlpvrvicellgvpsadhdr ftrwsgaflstaevtaeemqeaaeqayaymgdlidrrrkeptddlvsalvqardqqdsls eqelldlaigllvagyestttqiadfvyllmtrpelrrqlldrpelipsaveeltrwvpl gvgtafpryavedvtlrgvtiragepvlastgaanrdqaqfpdadridvdrtpnqhlgfg hgvhhclgaplarvelqvalevllqrlpgirlgipetqlrwsegmllrgplelpvvw
>2ygxD (D:) epraypfndvhgltlagrygelqetepvsrvrppygeeawlvtryedvravlgdgrfvrg psmtrdeprtrpemvkggllsmdppehsrlrrlvvkaftarraeslrprareiahelvdq maatgqpadlvamfarqlpvrvicellgvpsadhdrftrwsgaflstaevtaeemqeaae qayaymgdlidrrrkeptddlvsalvqardqqdslseqelldlaigllvagyestttqia dfvyllmtrpelrrqlldrpelipsaveeltrwvplgvgtafpryavedvtlrgvtirag epvlastgaanrdqaqfpdadridvdrtpnqhlgfghgvhhclgaplarvelqvalevll qrlpgirlgipetqlrwsegmllrgplelpvvw