Chains and heterogens:
PDB Chain Sequences:
>1fwnA (A:) mekflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgl eygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgra vnvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakvi ydathsvqlpgglgdksggmrefifpliraavavgcdgvfmethpepekalsdastqlpl sqlegiieaileirevaskyyetipvk
>1fwnA (A:) ekflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgle ygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgrav nvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakviy dathsvqlpggmrefifpliraavavgcdgvfmethpepekalsdastqlplsqlegiie aileirevaskyyeti
>1fwnB (B:) mekflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgl eygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgra vnvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakvi ydathsvqlpgglgdksggmrefifpliraavavgcdgvfmethpepekalsdastqlpl sqlegiieaileirevaskyyetipvk
>1fwnB (B:) ekflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgle ygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgrav nvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakviy dathsvqlpggmrefifpliraavavgcdgvfmethpepekalsdastqlplsqlegiie aileirevaskyyeti