Chains and heterogens:
PDB Chain Sequences:
>1q7lA (A:) mtskgpeeehpsvtlfrqylrirtvqpkpdygaavaffeetarqlglgcqkvevapgyvv tvltwpgtnptlssillnshtdvvpvfkehwshdpfeafkdsegyiyargaqdmkcvsiq yleavrrlkveghrfprtihmtfvpdeevgghqgmelfvqrpefhalragfaldegianp tdaftvfyserspwwvrv
>1q7lA (A:) eeehpsvtlfrqylrirtvqpkpdygaavaffeetarqlglgcqkvevapgyvvtvltwp gtnptlssillnshtdvvpvfkehwshdpfeafkdsegyiyargaqdmkcvsiqyleavr rlkveghrfprtihmtfvpdeevgghqgmelfvqrpefhalragfaldegianptdaftv fyserspwwvrv
>1q7lB (B:) npwwaafsrvckdmnltlepeimpaagdnryiravgvpalgfspmnrtpvllhdhderlh eavflrgvdiytrllpalasvpalpsds
>1q7lC (C:) mtskgpeeehpsvtlfrqylrirtvqpkpdygaavaffeetarqlglgcqkvevapgyvv tvltwpgtnptlssillnshtdvvpvfkehwshdpfeafkdsegyiyargaqdmkcvsiq yleavrrlkveghrfprtihmtfvpdeevgghqgmelfvqrpefhalragfaldegianp tdaftvfyserspwwvrv
>1q7lC (C:) eehpsvtlfrqylrirtvqpkpdygaavaffeetarqlglgcqkvevapgyvvtvltwpg tnptlssillnshtdvvpvfkehwshdpfeafkdsegyiyargaqdmkcvsiqyleavrr lkveghrfprtihmtfvpdeevgghqgmelfvqrpefhalragfaldegianptdaftvf yserspwwvr
>1q7lD (D:) npwwaafsrvckdmnltlepeimpaagdnryiravgvpalgfspmnrtpvllhdhderlh eavflrgvdiytrllpalasvpalpsds
>1q7lD (D:) npwwaafsrvckdmnltlepeimpaagdnryiravgvpalgfspmnrtpvllhdhderlh eavflrgvdiytrllpalasvpalp