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. 2001 Mar 27;98(8):4437–4442. doi: 10.1073/pnas.081078898

Figure 2.

Figure 2

Sequence alignment of PsaA and PsaB in the region of the n/n′ helix. Asterisks indicate the position of the residues mutated in this work. Conservation profile is color coded for identity (black, 100%; dark gray, 80%; light gray, 60%).