Chains and heterogens:
PDB Chain Sequences:
>1gyqA (A:) apikvgingfgrigrmvfqaicdqgligteidvvavvdmstnaeyfayqmkhdtvhgrpk ytveavksspsvetadvlvvnghrikcvkaqrnpadlpwgklgvdyviestglftdklka eghikggakkvvisapasggaktivmgvnqheyspashhvvsnascttnclapivhvltk enfgietglmttihsytatqktvdgvslkdwrggraaavniipsttgaakavgmvipstk gkltgmsfrvptpdvsvvdltfratrdtsiqeidkaikkaaqtymkgilgftdeelvsad findnrssvydskatlqnnlpgekrffkvvswydnewayshrvvdlvrymaakdaass
>1gyqB (B:) apikvgingfgrigrmvfqaicdqgligteidvvavvdmstnaeyfayqmkhdtvhgrpk ytveavksspsvetadvlvvnghrikcvkaqrnpadlpwgklgvdyviestglftdklka eghikggakkvvisapasggaktivmgvnqheyspashhvvsnascttnclapivhvltk enfgietglmttihsytatqktvdgvslkdwrggraaavniipsttgaakavgmvipstk gkltgmsfrvptpdvsvvdltfratrdtsiqeidkaikkaaqtymkgilgftdeelvsad findnrssvydskatlqnnlpgekrffkvvswydnewayshrvvdlvrymaakdaass
>1gyqC (C:) apikvgingfgrigrmvfqaicdqgligteidvvavvdmstnaeyfayqmkhdtvhgrpk ytveavksspsvetadvlvvnghrikcvkaqrnpadlpwgklgvdyviestglftdklka eghikggakkvvisapasggaktivmgvnqheyspashhvvsnascttnclapivhvltk enfgietglmttihsytatqktvdgvslkdwrggraaavniipsttgaakavgmvipstk gkltgmsfrvptpdvsvvdltfratrdtsiqeidkaikkaaqtymkgilgftdeelvsad findnrssvydskatlqnnlpgekrffkvvswydnewayshrvvdlvrymaakdaass
>1gyqD (D:) apikvgingfgrigrmvfqaicdqgligteidvvavvdmstnaeyfayqmkhdtvhgrpk ytveavksspsvetadvlvvnghrikcvkaqrnpadlpwgklgvdyviestglftdklka eghikggakkvvisapasggaktivmgvnqheyspashhvvsnascttnclapivhvltk enfgietglmttihsytatqktvdgvslkdwrggraaavniipsttgaakavgmvipstk gkltgmsfrvptpdvsvvdltfratrdtsiqeidkaikkaaqtymkgilgftdeelvsad findnrssvydskatlqnnlpgekrffkvvswydnewayshrvvdlvrymaakdaass