Chains and heterogens:
PDB Chain Sequences:
>1pg2A (A:) tqvakkilvtcalpyangsihlghmlehiqadvwvryqrmrghevnficaddahgtpiml kaqqlgitpeqmigemsqehqtdfagfnisydnyhsthseenrqlseliysrlkengfik nrtisqlydpekgmflpdrfvkgtcpkckspdqygdncevcgatyspteliepksvvsga tpvmrdsehfffdlpsfsemlqawtrsgalqeqvankmqewfesglqqwdisrdapyfgf eipnapgkyfyvwldapigymgsfknlcdkrgdsvsfdeywkkdstaelyhfigkdivyf hslfwpamlegsnfrkpsnlfvhgyvtvngakmsksrgtfikastwlnhfdadslryyyt aklssriddidlnledfvqrvnadivnkvvnlasrnagfinkrfdgvlaseladpqlykt ftdaaevigeawesrefgkavreimaladlanryvdeqapwvvakqegrdadlqaicsmg inlfrvlmtylkpvlpklteraeaflnteltwdgiqqpllghkvnpfkalynridmrqve alveaskeevk
>1pg2A (A:) akkilvtcalpyangsihlghmlehiqadvwvryqrmrghevnficaddahgtpimlkaq qlgitpeqmigemsqehqtdfagfnisydnyhsthseenrqlseliysrlkengfiknrt isrdsehfffdlpsfsemlqawtrsgalqeqvankmqewfesglqqwdisrdapyfgfei pnapgkyfyvwldapigymgsfknlcdkrgdsvsfdeywkkdstaelyhfigkdivyfhs lfwpamlegsnfrkpsnlfvhgyvtvngakmsksrgtfikastwlnhfdadslryyytak lssriddidlnledfvqrvnadivnkvvnlasrnagfinkrfdgvlaseladpqlyktft daaevigeawesrefgkavreimaladlanryvdeqapwvvakqegrdadlqaicsmgin lfrvlmtylkpvlpklteraeaflnteltwdgiqqpllghkvnpfkalynridmrqveal veaskeev