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. 2015 Nov 2;54(46):6896–6908. doi: 10.1021/acs.biochem.5b01002

Figure 1.

Figure 1

Helix capping by histidine. (A) i-to-i+3 N–H···Nδ1 H-bond in Synechococcus GlbN (PDB entry 4MAX).20 (B) Bifurcated i-to-i+3 N–H···Nδ1···H–Oγ interaction in the consensus AR (PDB entry 2BKG).21 (C) i-to-i–2 N–H···Nδ1 H-bond in rat mitochondrial cytochrome b5 (PDB entry 4HIL).