Chains and heterogens:
PDB Chain Sequences:
>4kqqA (A:) mahhhhhhssglevlfqgpdlhvidhdflkgqgdarsvrhiaipahrglitdrngeplav stpvttlwanpkelmtakerwpqlaaalgqdtklfadrieqnaerefiylvrgltpeqge gvialkvpgvysieefrrfypagevvahavgftdvddrgregielafdewlagvpgkrqv lkdrrgrvikdvqvtknakpgktlalsidlrlqylahrelrnallengakagslvimdvk tgeilamtnqptynpnnrrnlqpaamrnramidvfepgstvkpfsmsaalasgrwkpsdi vdvypgtlqigrytirdvsrnsrqldltgilikssnvgiskiafdigaesiysvmqqvgl gqdtglgfpgervgnlpnhrkwpkaetatlaygyglsvtaiqlahayaalandgksvpls mtrvdrvpdgvqvispevastvqgmlqqvveaqggvfraqvpgyhaagksgtarkvsvgt kgyrenayrslfagfapatdpriamvvvidepskagyfgglvsapvfskvmagalrlmnv ppdnlptateqqqvnaapakggrg
>4kqqA (A:) rsvrhiaipahrglitdrngeplavstpvttlwanpkelmtakerwpqlaaalgqdtklf adrieqnaerefiylvrgltpeqgegvialkvpgvysieefrrfypagevvahavgftdv ddrgregielafdewlagvpgkrqvlkdrrgrvikdvqvtknakpgktlalsidlrlqyl ahrelrnallengakagslvimdvktgeilamtnqptynpnnrrnlqpaamrnramidvf epgstvkpfsmsaalasgrwkpsdivdvypgtlqigrytirdvsrnsrqldltgilikss nvgiskiafdigaesiysvmqqvglgqdtglgfpgervgnlpnhrkwpkaetatlaygyg lsvtaiqlahayaalandgksvplsmtrvdrvpdgvqvispevastvqgmlqqvveaqgg vfraqvpgyhaagksgtarkvsvgtkgyrenayrslfagfapatdpriamvvvidepska gyfgglvsapvfskvmagalrlmnvppdnlptateqqqvn
>4kqqB (B:) mahhhhhhssglevlfqgpdlhvidhdflkgqgdarsvrhiaipahrglitdrngeplav stpvttlwanpkelmtakerwpqlaaalgqdtklfadrieqnaerefiylvrgltpeqge gvialkvpgvysieefrrfypagevvahavgftdvddrgregielafdewlagvpgkrqv lkdrrgrvikdvqvtknakpgktlalsidlrlqylahrelrnallengakagslvimdvk tgeilamtnqptynpnnrrnlqpaamrnramidvfepgstvkpfsmsaalasgrwkpsdi vdvypgtlqigrytirdvsrnsrqldltgilikssnvgiskiafdigaesiysvmqqvgl gqdtglgfpgervgnlpnhrkwpkaetatlaygyglsvtaiqlahayaalandgksvpls mtrvdrvpdgvqvispevastvqgmlqqvveaqggvfraqvpgyhaagksgtarkvsvgt kgyrenayrslfagfapatdpriamvvvidepskagyfgglvsapvfskvmagalrlmnv ppdnlptateqqqvnaapakggrg
>4kqqB (B:) aipahrglitdrngeplavstpvttlwanpkelmtakerwpqlaaalgqdtklfadrieq naerefiylvrgltpeqgegvialkvpgvysieefrrfypagevvahavgftdvddrgre gielafdewlagvpgkrvtknakpgktlalsidlrlqylahrelrnallengakagslvi mdvktgeilamtnqptynpnnrrnlqpaamrnramidvfepgstvkpfsmsaalasgrwk psdivdvypgtlqigrytirdvsrnsrqldltgilikssnvgiskiafdigaesiysvmq qvglgqdtglgfpgervgnlpnhrkwpkaetatlaygyglsvtaiqlahayaalandgks vplsmtrvdrvpdgvqvispevastvqgmlqqvveaqggvfraqvpgyhaagksgtarkv svgtkgyrenayrslfagfapatdpriamvvvidepskagyfgglvsapvfskvmagalr lmnvppdnlptateqqqvn