Stereoisomers that are mirror images of each other are called enantiomers

TLS Online TPP Program

#Id: 9021

#Unit 6. System Physiology – Plant

There are Seven different types of thioredoxin in cells, Trx f, m, x, y, and z are located in the chloroplasts, o in mitochondria, and h in the cytosol, endoplasmic reticulum, and plasma membrane.

TLS Online TPP Program

#Id: 9022

#Unit 6. System Physiology – Plant

Trx proteins are characterized by a canonical disulfide active site consisting of Cys‐Gly‐Pro‐ Cys

TLS Online TPP Program

#Id: 9023

#Unit 6. System Physiology – Plant

Trx have common tertiary structure called the thioredoxin fold, which consists of five antiparallel beta sheets sandwiched between three alpha helices.

TLS Online TPP Program

#Id: 9024

#Unit 6. System Physiology – Plant

Trx is regulated by PSII & PSI

TLS Online TPP Program

#Id: 9025

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 9026

#Unit 6. System Physiology – Plant

Trx regulates plastid phosphoribulokinase (PRK) and NADP–glyceraldehyde-3‐phosphate dehydrogenase (NADP–GAPD) by noncovalent associations with the nuclear‐encoded chloroplast protein CP12 (an ≈8.5‐kDa protein)