Chains and heterogens:
PDB Chain Sequences:
>1aq0A (A:) igvcygmsannlpaastvvsmfksngiksmrlyapnqaalqavggtginvvvgapndvls nlaaspaaaaswvksniqaypkvsfryvcvgnevaggatrnlvpamknvhgalvaaglgh ikvttsvsqailgvfsppsagsftgeaaafmgpvvqflartnaplmaniypylawaynps amdmgyalfnasgtvvrdgaygyqnlfdttvdafytamgkhggssvklvvsesgwpsggg taatpanarfynqhlinhvgrgtprhpgaietyifamfnenqkdsgveqnwglfypnmqh vypinf
>1aq0B (B:) igvcygmsannlpaastvvsmfksngiksmrlyapnqaalqavggtginvvvgapndvls nlaaspaaaaswvksniqaypkvsfryvcvgnevaggatrnlvpamknvhgalvaaglgh ikvttsvsqailgvfsppsagsftgeaaafmgpvvqflartnaplmaniypylawaynps amdmgyalfnasgtvvrdgaygyqnlfdttvdafytamgkhggssvklvvsesgwpsggg taatpanarfynqhlinhvgrgtprhpgaietyifamfnenqkdsgveqnwglfypnmqh vypinf