Chains and heterogens:
PDB Chain Sequences:
>1fwwA (A:) mekflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgl eygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgra vnvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakvi ydathsvqlpgglgdksggmrefifpliraavavgcdgvfmethpepekalsdastqlpl sqlegiieaileirevaskyyetipvk
>1fwwA (A:) ekflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgle ygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgrav nvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakviy dathsvqlpgglgdksggmrefifpliraavavgcdgvfmethpepekalsdastqlpls qlegiieaileirevaskyyeti
>1fwwB (B:) mekflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgl eygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgra vnvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakvi ydathsvqlpgglgdksggmrefifpliraavavgcdgvfmethpepekalsdastqlpl sqlegiieaileirevaskyyetipvk
>1fwwB (B:) kflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgley gvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgravn vkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakviyd athsvqlpggmrefifpliraavavgcdgvfmethpepekalsdastqlplsqlegiiea ileirevaskyyeti