Chains and heterogens:
PDB Chain Sequences:
>2d4hA (A:) mhhhhhhmrgsmaseihmtgpmclientngrlmanpealkilsaitqpmvvvaivglyrt gksylmnklagkkkgfslgstvqshtkgiwmwcvphpkkpghilvlldteglgdvekgdn qndswifalavllsstfvynsigtinqqamdqlyyvtelthrirsksspdenenevedsa dfvsffpdfvwtlrdfsldleadgqpltpdeyltyslklkkgtsqkdetfnlprlcirkf fpkkkcfvfdrpvhrrklaqleklqdeeldpefvqqvadfcsyifsnsktktlsggiqvn gprleslvltyvnaissgdlpcmenavl
>2d4hA (A:) ihmtgpmclientngrlmanpealkilsaitqpmvvvaivglyrtgksylmnklagkkkg fslgstvqkgiwmwcvphpkkpghilvlldteglgdvenqndswifalavllsstfvyns igtinqqamdqlyyvtelthrirsksspdesadfvsffpdfvwtlrdfsldleadgqplt pdeyltyslklkkgtsqkdetfnlprlcirkffpkkkcfvfdrpvhrrklaqleklqdee ldpefvqqvadfcsyifsnsktktlsggiqvngprleslvltyvnaissgdlpcmenav
>2d4hB (B:) mhhhhhhmrgsmaseihmtgpmclientngrlmanpealkilsaitqpmvvvaivglyrt gksylmnklagkkkgfslgstvqshtkgiwmwcvphpkkpghilvlldteglgdvekgdn qndswifalavllsstfvynsigtinqqamdqlyyvtelthrirsksspdenenevedsa dfvsffpdfvwtlrdfsldleadgqpltpdeyltyslklkkgtsqkdetfnlprlcirkf fpkkkcfvfdrpvhrrklaqleklqdeeldpefvqqvadfcsyifsnsktktlsggiqvn gprleslvltyvnaissgdlpcmenavl
>2d4hB (B:) hmtgpmclientngrlmanpealkilsaitqpmvvvaivglyrtgksylmnklagkkkgf slgskgiwmwcvphpkkpghilvlldteglgqndswifalavllsstfvynsigtinqqa mdqlyyvtelthrirskssdsadfvsffpdfvwtlrdfsldleadgqpltpdeyltyslk lkkgtsqkdetfnlprlcirkffpkkkcfvfdrpvhrrklaqleklqdeeldpefvqqva dfcsyifsnsktktlsggiqvngprleslvltyvnaissgdlpc