![](https://cdn.rcsb.org/pdb101/motm/263/6vz8_homepage-tn.png) |
Acetohydroxyacid Synthase
In plants, AHAS performs the first step in synthesis of three essential amino acids, making it an effective target for herbicides.
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![](https://cdn.rcsb.org/pdb101/motm/110/2p1p-tn.jpg) |
Auxin and TIR1 Ubiquitin Ligase
The plant hormone auxin controls growth and response to light and gravity
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![](https://cdn.rcsb.org/pdb101/motm/27/1fbb-twoviews-tn.gif) |
Bacteriorhodopsin
Bacteriorhodopsin pumps protons powered by green sunlight
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![](https://cdn.rcsb.org/pdb101/motm/49/carbonic-anhydrases-tn.gif) |
Carbonic Anhydrase
Carbonic anhydrase solubilizes carbon dioxide gas so we can breathe it out
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![](https://cdn.rcsb.org/pdb101/motm/66/2biw-composite-tn.gif) |
Carotenoid Oxygenase
Light-sensing retinal molecules are built from colorful carotenoids in our diet
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![](https://cdn.rcsb.org/pdb101/motm/254/254-Cellulose_Synthase-6wlb_homepage-tn.png) |
Cellulose Synthase
Plants build tough cellulose strands one sugar at a time.
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![](https://cdn.rcsb.org/pdb101/motm/124/1cvn-tn.jpg) |
Concanavalin A and Circular Permutation
For some proteins, clipped and reassembled sequences can produce the same 3D shape
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![](https://cdn.rcsb.org/pdb101/motm/137/137-Cytochromebc1_3h1j-tn.jpg) |
Cytochrome bc1
A flow of electrons powers proton pumps in cellular respiration and photosynthesis
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![](https://cdn.rcsb.org/pdb101/motm/218/218-EPSP_Synthase_and_Weedkillers-2gg4_2gga-tn.jpg) |
EPSP Synthase and Weedkillers
The weedkiller Roundup attacks a key enzyme involved in the construction of aromatic compounds.
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![](https://cdn.rcsb.org/pdb101/motm/90/90_fas-tn.jpg) |
Fatty Acid Synthase
Fatty acids are constructed in many sequential steps by a large protein complex
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![](https://cdn.rcsb.org/pdb101/motm/42/1gfl-tn.gif) |
Green Fluorescent Protein (GFP)
A tiny fluorescent protein from jellyfish has revolutionized cell biology
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![](https://cdn.rcsb.org/pdb101/motm/201/201-Isoprene_Synthase-3n0g-tn.jpg) |
Isoprene Synthase
Plants release a billion metric tons of isoprene and other organic gases every year.
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![](https://cdn.rcsb.org/pdb101/motm/199/199-Monellin-SuperSweet-tn.jpg) |
Monellin
Monellin and other supersweet proteins trick our taste receptors.
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![](https://cdn.rcsb.org/pdb101/motm/26/1n2c-tn.gif) |
Nitrogenase
Nitrogenase uses an exotic cluster of metals to fix atmospheric nitrogen into bioavailable ammonia
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![](https://cdn.rcsb.org/pdb101/motm/244/244-Photosynthetic_Supercomplexes-5xnl_homepage-tn.png) |
Photosynthetic Supercomplexes
Light is captured by huge supercomplexes of photosystems and antenna systems.
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![](https://cdn.rcsb.org/pdb101/motm/22/1jb0-tn.gif) |
Photosystem I
Photosystem I captures the energy in sunlight
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![](https://cdn.rcsb.org/pdb101/motm/59/1s5l-membrane-tn.gif) |
Photosystem II
Photosystem II captures the energy from sunlight and uses it to extract electrons from water molecules
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![](https://cdn.rcsb.org/pdb101/motm/183/183-Phototropin_phototropin-tn.jpg) |
Phototropin
Phototrophins sense the level of blue light, allowing plants to respond to changing environmental conditions
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![](https://cdn.rcsb.org/pdb101/motm/274/5hzg_homepage-tn.png) |
Phytohormone Receptor DWARF14
Some phytohormones mobilize the cell’s protein degradation machinery to regulate plant growth and development.
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![](https://cdn.rcsb.org/pdb101/motm/248/248-Phytosulfokine_Receptor-4z64_homepage-tn.png) |
Phytosulfokine Receptor
Phytosulfokine and other small peptides deliver signals about growth and development in plants.
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![](https://cdn.rcsb.org/pdb101/motm/161/161-Ricin_2aai-tn.jpg) |
Ricin
The structure of ricin reveals how it kills cells and how vaccines can produce immunity against ricin poisoning
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![](https://cdn.rcsb.org/pdb101/motm/11/1rcx-tn.gif) |
Rubisco
Rubisco fixes atmospheric carbon dioxide into bioavailable sugar molecules
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![](https://cdn.rcsb.org/pdb101/motm/180/180-TALEffectors_3ugm-tn.jpg) |
TAL Effectors
TAL-effectors are modular, DNA-reading proteins that can be used to edit DNA in living cells
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![](https://cdn.rcsb.org/pdb101/motm/287/6j5t_homepage-tn.png) |
ZAR1 Resistosome
Plants protect themselves from infection with immune system machines such as the resistosome
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