Chains and heterogens:
PDB Chain Sequences:
>2a9aA (A:) dpfagdpprhpglrvnsqkpfnaeppaellaerfltpnelfftrnhlpvpavepssyrlr vdgpgggtlslslaelrsrfpkhevtatlqcagnrrsemsrvrpvkglpwdigaistarw ggarlrdvllhagfpeelqgewhvcfegldadpggapygasipygralspaadvllayem ngtelprdhgfpvrvvvpgvvgarsvkwlrrvavspdespshwqqndykgfspcvdwdtv dyrtapaiqelpvqsavtqprpgaavppgeltvkgyawsgggrevvrvdvsldggrtwkv arlmgdkappgrawawalweltvpveagteleivckavdssynvqpdsvapiwnlrgvls tawhrvrvsvqd
>2a9aA (A:) pfagdpprhpglrvnsqkpfnaeppaellaerfltpnelfftrnhlpvpavepssyrlrv dgpgggtlslslaelrsrfpkhevtatlqcagnrrsemsrvrpvkglpwdigaistarwg garlrdvllhagfpeelqgewhvcfegldadpggapygasipygralspaadvllayemn gtelprdhgfpvrvvvpgvvgarsvkwlrrvavspdespshwqqndykgfspcvdwdtvd yrtapaiqelpvqsavtqprpgaavppgeltvkgyawsgggrevvrvdvsldggrtwkva rlmgdkappgrawawalweltvpveagteleivckavdssynvqpdsvapiwnlrgvlst awhrvrvsvqd
>2a9aB (B:) dpfagdpprhpglrvnsqkpfnaeppaellaerfltpnelfftrnhlpvpavepssyrlr vdgpgggtlslslaelrsrfpkhevtatlqcagnrrsemsrvrpvkglpwdigaistarw ggarlrdvllhagfpeelqgewhvcfegldadpggapygasipygralspaadvllayem ngtelprdhgfpvrvvvpgvvgarsvkwlrrvavspdespshwqqndykgfspcvdwdtv dyrtapaiqelpvqsavtqprpgaavppgeltvkgyawsgggrevvrvdvsldggrtwkv arlmgdkappgrawawalweltvpveagteleivckavdssynvqpdsvapiwnlrgvls tawhrvrvsvqd
>2a9aB (B:) rvnsqkpfnaeppaellaerfltpnelfftrnhlpvpavepssyrlrvdgpgggtlslsl aelrsrfpkhevtatlqcagnrrsemsrvrpvkglpwdigaistarwggarlrdvllhag fpeelqgewhvcfegldadpggapygasipygralspaadvllayemngtelprdhgfpv rvvvpgvvgarsvkwlrrvavspdespshwqqndykgfspcvdwdtvdyrtapaiqelpv qsavtqprpgaavppgeltvkgyawsgggrevvrvdvsldggrtwkvarlmgdkappgra wawalweltvpveagteleivckavdssynvqpdsvapiwnlrgvlstawhrvrvsvqd