1DJ7: Crystal Structure Of Ferredoxin Thioredoxin Reductase

Light generates reducing equivalents in chloroplasts that are used not only for carbon reduction, but also for the regulation of the activity of chloroplast enzymes by reduction of regulatory disulfides via the ferredoxin:thioredoxin reductase (FTR) system. FTR, the key electron/thiol transducer enzyme in this pathway, is unique in that it can reduce disulfides by an iron-sulfur cluster, a property that is explained by the tight contact of its active-site disulfide and the iron-sulfur center. The thin, flat FTR molecule makes the two-electron reduction possible by forming on one side a mixed disulfide with thioredoxin and by providing on the opposite side access to ferredoxin for delivering electrons.
PDB ID: 1DJ7Download
MMDB ID: 12744
PDB Deposition Date: 1999/12/2
Updated in MMDB: 2017/11
Experimental Method:
x-ray diffraction
Resolution: 1.6  Å
Source Organism:
Similar Structures:
Biological Unit for 1DJ7: dimeric; determined by author and by software (PISA)
Molecular Components in 1DJ7
Label Count Molecule
Proteins (2 molecules)
Ferredoxin Thioredoxin Reductase: Catalytic Chain
Molecule annotation
Ferredoxin Thioredoxin Reductase: Variable Chain
Molecule annotation
Chemicals (2 molecules)
* Click molecule labels to explore molecular sequence information.

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