Chains and heterogens:
PDB Chain Sequences:
>4kqrA (A:) mahhhhhhssglevlfqgpdlhvidhdflkgqgdarsvrhiaipahrglitdrngeplav stpvttlwanpkelmtakerwpqlaaalgqdtklfadrieqnaerefiylvrgltpeqge gvialkvpgvysieefrrfypagevvahavgftdvddrgregielafdewlagvpgkrqv lkdrrgrvikdvqvtknakpgktlalsidlrlqylahrelrnallengakagslvimdvk tgeilamtnqptynpnnrrnlqpaamrnramidvfepgstvkpfsmsaalasgrwkpsdi vdvypgtlqigrytirdvsrnsrqldltgilikssnvgiskiafdigaesiysvmqqvgl gqdtglgfpgervgnlpnhrkwpkaetatlaygyglsvtaiqlahayaalandgksvpls mtrvdrvpdgvqvispevastvqgmlqqvveaqggvfraqvpgyhaagksgtarkvsvgt kgyrenayrslfagfapatdpriamvvvidepskagyfgglvsapvfskvmagalrlmnv ppdnlptateqqqvnaapakggrg
>4kqrA (A:) rsvrhiaipahrglitdrngeplavstpvttlwanpkelmtakerwpqlaaalgqdtklf adrieqnaerefiylvrgltpeqgegvialkvpgvysieefrrfypagevvahavgftdv ddrgregielafdewlagvpgkrqvlkdrrgrvikdvqvtknakpgktlalsidlrlqyl ahrelrnallengakagslvimdvktgeilamtnqptynpnnrrnlqpaamrnramidvf epgstvkpfsmsaalasgrwkpsdivdvypgtlqigrytirdvsrnsrqldltgilikss nvgiskiafdigaesiysvmqqvglgqdtglgfpgervgnlpnhrkwpkaetatlaygyg lsvtaiqlahayaalandgksvplsmtrvdrvpdgvqvispevastvqgmlqqvveaqgg vfraqvpgyhaagksgtarkvsvgtkgyrenayrslfagfapatdpriamvvvidepska gyfgglvsapvfskvmagalrlmnvppdnlptateqqqvn
>4kqrB (B:) mahhhhhhssglevlfqgpdlhvidhdflkgqgdarsvrhiaipahrglitdrngeplav stpvttlwanpkelmtakerwpqlaaalgqdtklfadrieqnaerefiylvrgltpeqge gvialkvpgvysieefrrfypagevvahavgftdvddrgregielafdewlagvpgkrqv lkdrrgrvikdvqvtknakpgktlalsidlrlqylahrelrnallengakagslvimdvk tgeilamtnqptynpnnrrnlqpaamrnramidvfepgstvkpfsmsaalasgrwkpsdi vdvypgtlqigrytirdvsrnsrqldltgilikssnvgiskiafdigaesiysvmqqvgl gqdtglgfpgervgnlpnhrkwpkaetatlaygyglsvtaiqlahayaalandgksvpls mtrvdrvpdgvqvispevastvqgmlqqvveaqggvfraqvpgyhaagksgtarkvsvgt kgyrenayrslfagfapatdpriamvvvidepskagyfgglvsapvfskvmagalrlmnv ppdnlptateqqqvnaapakggrg
>4kqrB (B:) vrhiaipahrglitdrngeplavstpvttlwanpkelmtakerwpqlaaalgqdtklfad rieqnaerefiylvrgltpeqgegvialkvpgvysieefrrfypagevvahavgftdvdd rgregielafdewlagvpgkrqvlkdrrgrvikdvqvtknakpgktlalsidlrlqylah relrnallengakagslvimdvktgeilamtnqptynpnnrrnlqpaamrnramidvfep gstvkpfsmsaalasgrwkpsdivdvypgtlqigrytirdvsrnsrqldltgilikssnv giskiafdigaesiysvmqqvglgqdtglgfpgervgnlpnhrkwpkaetatlaygygls vtaiqlahayaalandgksvplsmtrvdrvpdgvqvispevastvqgmlqqvveaqggvf raqvpgyhaagksgtarkvsvgtkgyrenayrslfagfapatdpriamvvvidepskagy fgglvsapvfskvmagalrlmnvppdnlptateqqqvn