Extended Data Fig. 4: Stereo views of interdomain junctions within the Arabidopsis PhyA dimer. | Nature Plants

Extended Data Fig. 4: Stereo views of interdomain junctions within the Arabidopsis PhyA dimer.

From: The structure of Arabidopsis phytochrome A reveals topological and functional diversification among the plant photoreceptor isoforms

Extended Data Fig. 4

The intricate interconnectivities of domains within the PSM are shown in the top three views. The fourth and fifth views highlight the modulator loop (Mod)/PHY domain connection, which provides an intra-protomer structural link with the PSM, and their connectivity to the hairpin, helical spine, and PAS2 domain features. The sixth view shows one half of the dimeric interface of the HKRD involving the DHp and CA domain α-helices. Key residues are indicated; prime designations indicate those from protomer B.

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