Chains and heterogens:
PDB Chain Sequences:
>5k3sA (A:) tfisrfapdqprkgadilvealerqgvetvfaypggasmeihqaltrsssirnvlprheq ggvfaaegyarssgkpgiciatsgpgatnlvsgladalldsvplvaitgqvprrmigtda fqetpivevtrsitkhnylvmdvedipriieeafflatsgrpgpvlvdvpkdiqqqlaip nweqamrlpgymsrmpkppedshleqivrliseskkpvlyvgggclnssdelgrfveltg ipvastlmglgsypcddelslhmlgmhgtvyanyavehsdlllafgvrfddrvtgkleaf asrakivhididsaeigknktphvsvcgdvklalqgmnkvlenraeelkldfgvwrneln vqkqkfplsfktfgeaippqyaikvldeltdgkaiistgvgqhqmwaaqfynykkprqwl ssgglgamgfglpaaigasvanpdaivvdidgdgsfimnvqelatirvenlpvkvlllnn qhlgmvmqwedrfykanrahtflgdpaqedeifpnmllfaaacgipaarvtkkadlreai qtmldtpgpylldvicphqehvlpmipsggtfndvitegdgrlehhhhhh
>5k3sA (A:) tfisrfapdqprkgadilvealerqgvetvfaypggasmeihqaltrsssirnvlprheq ggvfaaegyarssgkpgiciatsgpgatnlvsgladalldsvplvaitgqvprrmigtda fqetpivevtrsitkhnylvmdvedipriieeafflatsgrpgpvlvdvpkdiqqqlaip nweqamrlpgymsrmpkppedshleqivrliseskkpvlyvgggclnssdelgrfveltg ipvastlmglgsypcddelslhmlgmhgtvyanyavehsdlllafgvrfddrvtgkleaf asrakivhididsaeigknktphvsvcgdvklalqgmnkvlenraeelkldfgvwrneln vqkqkfplsfktfgeaippqyaikvldeltdgkaiistgvgqhqmwaaqfynykkprqwl ssgglgamgfglpaaigasvanpdaivvdidgdgsfimnvqelatirvenlpvkvlllnn qhlgmvmqwedrfykanrahtflgdpaqedeifpnmllfaaacgipaarvtkkadlreai qtmldtpgpylldvicphqehvlpmipsggtfndvitegdgrl