The nucleosome consists of approximately equal masses of DNA and histones (including H1). The predicted mass of the nucleosome is 262 kD.

TLS Online TPP Program

#Id: 9019

#Unit 6. System Physiology – Plant

Five pivotal enzymes are regulated by Ferredoxin–thioredoxin Fd-Thrx system

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#Id: 9020

#Unit 6. System Physiology – Plant

Thioredoxins occur in multiple forms and have conserved structures to interact with target enzymes

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#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

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#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