Chains and heterogens:
PDB Chain Sequences:
>3hbqA (A:) apsypeytreevgrhrspeervwvthgtdvfdvtdfvelhpggpdkillaaggalepfwa lyavhgephvlellqqykvgelspdeapaapdaqdpfagdpprhpglrvnsqkpfnaepp aellaerfltpnelfftrnhlpvpavepssyrlrvdgpgggtlslslaelrsrfpkhevt atlqaagnrrsemsrvrpvkglpwdigaistarwggarlrdvllhagfpeelqgewhvcf egldadpggapygasipygralspaadvllayemngtelprdhgfpvrvvvpgvvgarsv kwlrrvavspdespshwqqndykgfspcvdwdtvdyrtapaiqelpvqsavtqprpgaav ppgeltvkgyawsgggrevvrvdvsldggrtwkvarlmgdkappgrawawalweltvpve agteleivckavdssynvqpdsvapiwnlrgvlstawhrvrvsvqd
>3hbqA (A:) qdpfagdpprhpglrvnsqkpfnaeppaellaerfltpnelfftrnhlpvpavepssyrl rvdgpgggtlslslaelrsrfpkhevtatlqaagnrrsemsrvrpvkglpwdigaistar wggarlrdvllhagfpeelqgewhvcfegldadpggapygasipygralspaadvllaye mngtelprdhgfpvrvvvpgvvgarsvkwlrrvavspdespshwqqndykgfspcvdwdt vdyrtapaiqelpvqsavtqprpgaavppgeltvkgyawsgggrevvrvdvsldggrtwk varlmgdkappgrawawalweltvpveagteleivckavdssynvqpdsvapiwnlrgvl stawhrvrvsvqd