Chains and heterogens:
PDB Chain Sequences:
>1q4kA (A:) kglenplperprekeepvvretgevvdchlsdmlqqlhsvnaskpserglvrqeeaedpa cipifwvskwvdysdkyglgyqlcdnsvgvlfndstrlilyndgdslqyierdgtesylt vsshpnslmkkitllkyfrnymsehllkaganitpregdelarlpylrtwfrtrsaiilh lsngsvqinffqdhtklilcplmaavtyidekrdfrtyrlslleeygcckelasrlryar tmvdkllssrsasnrlkas
>1q4kA (A:) chlsdmlqqlhsvnaskpserglvrqeeaedpacipifwvskwvdysdkyglgyqlcdns vgvlfndstrlilyndgdslqyierdgtesyltvsshpnslmkkitllkyfrnymsehll kaganitpregdelarlpylrtwfrtrsaiilhlsngsvqinffqdhtklilcplmaavt yidekrdfrtyrlslleeygcckelasrlryartmvdkllss
>1q4kB (B:) kglenplperprekeepvvretgevvdchlsdmlqqlhsvnaskpserglvrqeeaedpa cipifwvskwvdysdkyglgyqlcdnsvgvlfndstrlilyndgdslqyierdgtesylt vsshpnslmkkitllkyfrnymsehllkaganitpregdelarlpylrtwfrtrsaiilh lsngsvqinffqdhtklilcplmaavtyidekrdfrtyrlslleeygcckelasrlryar tmvdkllssrsasnrlkas
>1q4kB (B:) dchlsdmlqqlhsvnaskpserglvrqeeaedpacipifwvskwvdysdkyglgyqlcdn svgvlfndstrlilyndgdslqyierdgtesyltvsshpnslmkkitllkyfrnymsehl lkaganitpregdelarlpylrtwfrtrsaiilhlsngsvqinffqdhtklilcplmaav tyidekrdfrtyrlslleeygcckelasrlryartmvdkllssr
>1q4kC (C:) kglenplperprekeepvvretgevvdchlsdmlqqlhsvnaskpserglvrqeeaedpa cipifwvskwvdysdkyglgyqlcdnsvgvlfndstrlilyndgdslqyierdgtesylt vsshpnslmkkitllkyfrnymsehllkaganitpregdelarlpylrtwfrtrsaiilh lsngsvqinffqdhtklilcplmaavtyidekrdfrtyrlslleeygcckelasrlryar tmvdkllssrsasnrlkas
>1q4kC (C:) chlsdmlqqlhsvnaskpserglvrqeeaedpacipifwvskwvdysdkyglgyqlcdns vgvlfndstrlilyndgdslqyierdgtesyltvsshpnslmkkitllkyfrnymsehll kagdelarlpylrtwfrtrsaiilhlsngsvqinffqdhtklilcplmaavtyidekrdf rtyrlslleeygcckelasrlryartmvdkllss