Chains and heterogens:
PDB Chain Sequences:
>1fgrA (A:) hkikgtvvlmpknelevnpdgsavdnlnaflgrsvslqlisatkadahgkgkvgkdtfle gintslptlgagesafnihfewdgsmgipgafyiknymqvefflksltleaisnqgtirf vcnswvyntklyksvriffanhtyvpsetpaplvsyreeelkslrgngtgerkeydriyd ydvyndlgnpdkseklarpvlggsstfpyprrgrtgrgptvtdpntekqgevfyvprden lghlkskdaleigtkslsqivqpafesafdlkstpiefhsfqdvhdlyeggiklprdvis tiiplpvikelyrtdgqhilkfpqphvvqvsqsawmtdeefaremiagvnpcvirgleef ppksnldpaiygdqsskitadsldldgytmdealgsrrlfmldyhdifmpyvrqinqlns aktyatrtilflredgtlkpvaielslphsagdlsaavsqvvlpakegvestiwllakay vivndscyhqlmshwlnthaamepfviathrhlsvlhpiyklltphyrnnmninalarqs linangiiettflpskysvemssavyknwvftdqalpadlikrgvaikdpstphgvrlli edypyaadgleiwaaiktwvqeyvplyyardddvkndselqhwwkeavekghgdlkdkpw wpklqtledlvevcliiiwiasalhaavnfgeypygglimnrptasrrllpekgtpeyee minnhekaylrtitsklptlislsvieilsthasdevylgqrdnphwtsdskalqafqkf gnklkeieeklvrrnndpslqgnrlgpvqlpytllypsseegltfrgipnsisi
>1fgrA (A:) hkikgtvvlmpknelenlnaflgrsvslqlisatkadahgkgkvgkdtflegintslptl gagesafnihfewdgsmgipgafyiknymqvefflksltleaitirfvcnswvyntklyk svriffanhtyvpsetpaplvsyreeelkslrgngtgerkeydriydydvyndlgnpdks eklarpvlggsstfpyprrgrtgrgptvtdpntekqgevfyvprdenlghlkskdaleig tkslsqivqpafesafdlkstpiefhsfqdvhdlyeggiklprdvistiiplpvikelyr tdgqhilkfpqphvvqvsqsawmtdeefaremiagvnpcvirgleefppksnldpaiygd qsskitadsldldgytmdealgsrrlfmldyhdifmpyvrqinqlnsaktyatrtilflr edgtlkpvaielslphsagdlsaavsqvvlpakegvestiwllakayvivndscyhqlms hwlnthaamepfviathrhlsvlhpiyklltphyrnnmninalarqslinangiiettfl pskysvemssavyknwvftdqalpadlikrgvaikdpstphgvrlliedypyaadgleiw aaiktwvqeyvplyyardddvkndselqhwwkeavekghgdlkdkpwwpklqtledlvev cliiiwiasalhaavnfgeypygglimnrptasrrllpekgtpeyeeminnhekaylrti tsklptlislsvieilsthasdevylgqrdnphwtsdskalqafqkfgnklkeieeklvr rnndpslqgnrlgpvqlpytllypsseegltfrgipnsisi