Chains and heterogens:
PDB Chain Sequences:
>1kwfA (A:) agvpfntkypygptsiadnqsevtamlkaewedwkskritsngaggykrvqrdastnydt vsqgmgyglllavcfneqalfddlyryvkshfngnglmhwhidannnvtshdggdgaatd adedialalifadklwgssgainygqeartlinnlynhcvehgsyvlkpgdrwggssvtn psyfapawykvyaqytgdtrwnqvadkcyqiveevkkynngtglvpdwctasgtpasgqs ydykydatrygwrtavdyswfgdqrakancdmltkffardgakgivdgytiqgskisnnh nasfigpvaaasmtgydlnfakelyretvavkdseyygyygnslrlltllyitgnfpnpl sdl