Chains and heterogens:
PDB Chain Sequences:
>1pe1A (A:) mekflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgl eygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgra vnvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakvi ydathsvqlpgglgdksggmrefifpliraavavgcdgvfmethpepekalsdastqlpl sqlegiieaileirevaskyyetipvk
>1pe1A (A:) mekflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgl eygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgra vnvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakvi ydathsvqlpgggmrefifpliraavavgcdgvfmethpepekalsdastqlplsqlegi ieaileirevaskyyeti
>1pe1B (B:) mekflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgl eygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgra vnvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakvi ydathsvqlpgglgdksggmrefifpliraavavgcdgvfmethpepekalsdastqlpl sqlegiieaileirevaskyyetipvk
>1pe1B (B:) ekflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgle ygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgrav nvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakviy dathsvqlpggmrefifpliraavavgcdgvfmethpepekalsdastqlplsqlegiie aileirevaskyyeti