Chains and heterogens:
PDB Chain Sequences:
>1qkcA (A:) esawgpaatiaarqsatgtktdtpiqkvpqsisvvtaeemalhqpksvkealsytpgvsv gtrgasntydhliirgfaaegqsqnnylnglklqgnfyndavidpymleraeimrgpvsv lygksspggllnmvskrptteplkevqfkagtdslfqtgfdfsdsldddgvysyrltgla rsanaqqkgseeqryaiapaftwrpddktnftflsyfqnepetgyygwlpkegtveplpn gkrlptdfnegaknntysrnekmvgysfdhefndtftvrqnlrfaenktsqnsvygygvc sdpanayskqcaalapadkghylarkyvvddeklqnfsvdtqlqskfatgdidhtlltgv dfmrmrndinawfgyddsvpllnlynpsshhhhhhgssvntdfdfnakdpansgpyriln kqkqtgvyvqdqaqwdkvlvtlggrydwadqeslnrvagttdkrddkqftwrggvnylfd ngvtpyfsysesfepssqvgkdgnifapskgkqyevgvkyvpedrpivvtgavynltktn nlmadpegsffsveggeirargveieakaalsasvnvvgsytytdaeyttdttykgntpa qvpkhmaslwadytffdgplsgltlgtggrytgssygdpansfkvgsytvvdalvrydla rvgmagsnvalhvnnlfdreyvascfntygcfwgaerqvvatatfrf