Chains and heterogens:
PDB Chain Sequences:
>1khyA (A:) drltnkfqlaladaqslalghdnqfieplhlmsallnqeggsvsplltsaginagqlrtd inqalnrlpqvegtggdvqpsqdlvrvlnlcdklaqkrgdnfisselfvlaalesrgtla dilkaagattanitqaieq
>1khyA (A:) drltnkfqlaladaqslalghdnqfieplhlmsallnqeggsvsplltsaginagqlrtd inqalnrlpqvqpsqdlvrvlnlcdklaqkrgdnfisselfvlaalesrgtladilkaag attanitqaieq
>1khyB (B:) ldrltnkfqlaladaqslalghdnqfieplhlmsallnqeggsvsplltsaginagqlrt dinqalnrlpqvegtggdvqpsqdlvrvlnlcdklaqkrgdnfisselfvlaalesrgtl adilkaagattanitqaieq
>1khyB (B:) ldrltnkfqlaladaqslalghdnqfieplhlmsallnqeggsvsplltsaginagqlrt dinqalnrlpqvqpsqdlvrvlnlcdklaqkrgdnfisselfvlaalesrgtladilkaa gattanitqaieq
>1khyC (C:) drltnkfqlaladaqslalghdnqfieplhlmsallnqeggsvsplltsaginagqlrtd inqalnrlpqvegtggdvqpsqdlvrvlnlcdklaqkrgdnfisselfvlaalesrgtla dilkaagattanitqaieqm
>1khyC (C:) drltnkfqlaladaqslalghdnqfieplhlmsallnqeggsvsplltsaginagqlrtd inqalnrlpqvdvqpsqdlvrvlnlcdklaqkrgdnfisselfvlaalesrgtladilka agattanitqaieqm
>1khyD (D:) drltnkfqlaladaqslalghdnqfieplhlmsallnqeggsvsplltsaginagqlrtd inqalnrlpqvegtggdvqpsqdlvrvlnlcdklaqkrgdnfisselfvlaalesrgtla dilkaagattanitqaieqm