Chains and heterogens:
PDB Chain Sequences:
>2ff1A (A:) mrgsphhhhhhgsaknvvldhdgnlddfvamvllasntekvrligalctdadcfvengfn vtgkimclmhnnmnlplfpigksaatavnpfpkewrclaknmddmpilnipenvelwdki kaenekyegqqlladlvmnseekvticvtgplsnvawcidkygekftskveecvimggav dvrgnvflpstdgtaewniywdpasaktvfgcpglrrimfsldstntvpvrspyvqrfge qtnfllsilvgtmwamcthcellrdgdgyyawdaltaayvvdqkvanvdpvpidvvvdkq pnegatvrtdaenypltfvarnpeaeffldmllrsarac
>2ff1A (A:) saknvvldhdgnlddfvamvllasntekvrligalctdadcfvengfnvtgkimclmhnn mnlplfpigksaatavnpfpkewrclaknmddmpilnipenvelwdkikaenekyegqql ladlvmnseekvticvtgplsnvawcidkygekftskveecvimggavdvrgnvflpstd gtaewniywdpasaktvfgcpglrrimfsldstntvpvrspyvqrfgeqtnfllsilvgt mwamyawdaltaayvvdqkvanvdpvpidvvvdkqpnegatvrtdaenypltfvarnpea effldmllrsarac
>2ff1B (B:) mrgsphhhhhhgsaknvvldhdgnlddfvamvllasntekvrligalctdadcfvengfn vtgkimclmhnnmnlplfpigksaatavnpfpkewrclaknmddmpilnipenvelwdki kaenekyegqqlladlvmnseekvticvtgplsnvawcidkygekftskveecvimggav dvrgnvflpstdgtaewniywdpasaktvfgcpglrrimfsldstntvpvrspyvqrfge qtnfllsilvgtmwamcthcellrdgdgyyawdaltaayvvdqkvanvdpvpidvvvdkq pnegatvrtdaenypltfvarnpeaeffldmllrsarac
>2ff1B (B:) saknvvldhdgnlddfvamvllasntekvrligalctdadcfvengfnvtgkimclmhnn mnlplfpigksaatavnpfpkewrclaknmddmpilnipenvelwdkikaenekyegqql ladlvmnseekvticvtgplsnvawcidkygekftskveecvimggavdvrgnvflpstd gtaewniywdpasaktvfgcpglrrimfsldstntvpvrspyvqrfgeqtnfllsilvgt mwamgyyawdaltaayvvdqkvanvdpvpidvvvdkqpnegatvrtdaenypltfvarnp eaeffldmllrsarac