Chains and heterogens:
PDB Chain Sequences:
>4c4xA (A:) tscnpsdmshgyvtvkprvrlhfvelgsgpavclchgfpeswyswryqipalaqagyrvl amdmkgygessappeieeycmevlckemvtfldklglsqavfighdwggmlvwymalfyp ervravaslntpfipanpnmsplesikanpvfdyqlyfqepgvaeaeleqnlsrtfkslf rasdesvlsmhkvceagglfvnspeepslsrmvteeeiqfyvqqfkksgfrgplnwyrnm ernwkwackslgrkilipalmvtaekdfvlvpqmsqhmedwiphlkrghiedcghwtqmd kptevnqilikwldsdarnppvvskm
>4c4xA (A:) sdmshgyvtvkprvrlhfvelgsgpavclchgfpeswyswryqipalaqagyrvlamdmk gygessappeieeycmevlckemvtfldklglsqavfighdwggmlvwymalfypervra vaslntpfipanpnmsplesikanpvfdyqlyfqepgvaeaeleqnlsrtfkslfrasde svlsmhkvceagglfvnspeepslsrmvteeeiqfyvqqfkksgfrgplnwyrnmernwk wackslgrkilipalmvtaekdfvlvpqmsqhmedwiphlkrghiedcghwtqmdkptev nqilikwldsdar
>4c4xB (B:) tscnpsdmshgyvtvkprvrlhfvelgsgpavclchgfpeswyswryqipalaqagyrvl amdmkgygessappeieeycmevlckemvtfldklglsqavfighdwggmlvwymalfyp ervravaslntpfipanpnmsplesikanpvfdyqlyfqepgvaeaeleqnlsrtfkslf rasdesvlsmhkvceagglfvnspeepslsrmvteeeiqfyvqqfkksgfrgplnwyrnm ernwkwackslgrkilipalmvtaekdfvlvpqmsqhmedwiphlkrghiedcghwtqmd kptevnqilikwldsdarnppvvskm
>4c4xB (B:) psdmshgyvtvkprvrlhfvelgsgpavclchgfpeswyswryqipalaqagyrvlamdm kgygessappeieeycmevlckemvtfldklglsqavfighdwggmlvwymalfypervr avaslntpfipanpnmsplesikanpvfdyqlyfqepgvaeaeleqnlsrtfkslfrasd esvlsmhkvceagglfvnspeepslsrmvteeeiqfyvqqfkksgfrgplnwyrnmernw kwackslgrkilipalmvtaekdfvlvpqmsqhmedwiphlkrghiedcghwtqmdkpte vnqilikwldsdar