Chains and heterogens:
PDB Chain Sequences:
>1griA (A:) meaiakydfkataddelsfkrgdilkvlneecdqnwykaelngkdgfipknyiemkphpw ffgkiprakaeemlskqrhdgafliresesapgdfslsvkfgndvqhfkvlrdgagkyfl wvvkfnslnelvdyhrstsvsrnqqiflrdieqvpqqptyvqalfdfdpqedgelgfrrg dfihvmdnsdpnwwkgachgqtgmfprnyvtpvnrnv
>1griA (A:) meaiakydfkataddelsfkrgdilkvqnwykaelngkdgfipknyiemkphpwffgkip rakaeemlskqrhdgafliresesapgdfslsvkfgndvqhfkvlrdgagkyflwvvkfn slnelvdyhrstsvsrnqqiflrdieqvpqqptyvqalfdfdpqedgelgfrrgdfihvm dnsdpnwwkgachgqtgmfprnyvtpvnrnv
>1griB (B:) meaiakydfkataddelsfkrgdilkvlneecdqnwykaelngkdgfipknyiemkphpw ffgkiprakaeemlskqrhdgafliresesapgdfslsvkfgndvqhfkvlrdgagkyfl wvvkfnslnelvdyhrstsvsrnqqiflrdieqvpqqptyvqalfdfdpqedgelgfrrg dfihvmdnsdpnwwkgachgqtgmfprnyvtpvnrnv
>1griB (B:) meaiakydfkataddelsfkrgdilkvqnwykaelngkdgfipknyiemkphpwffgkip rakaeemlskqrhdgafliresesapgdfslsvkfgndvqhfkvlrdgagkyflwvvkfn slnelvdyhrstsvsrnqqiflrdieqvpqqptyvqalfdfdpqedgelgfrrgdfihvm dnsdpnwwkgachgqtgmfprnyvtpvnrnv