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TLS Online TPP Program

#Id: 7962

Hac1 activates transcription of genes encoding several protein-folding catalysts.

#Section 3: Genetics, Cellular and Molecular Biology #Endoplasmic Reticulum #Part B Pointers
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TLS Online TPP Program

#Id: 9268

#Section 2: General Biology

Nitrogenase is a complex consisting of the MoFe protein (dinitrogenase or component I) a heterotetramer, and the Fe protein (dinitrogenase reductase or component II) a homodimer.
TLS Online TPP Program

#Id: 9269

#Section 2: General Biology

Fe protein 
contains 2 identical subunits (dimer) – nif H
Each subunit has MW of 30 ~ 72 kD.
Each subunit contains an Fe-S cluster (4Fe and 4S2-).
TLS Online TPP Program

#Id: 9270

#Section 2: General Biology

MoFe protein 
2 pairs of identical subunits (tetramer, nif D & nif K)
A total of MW 180 ~ 235kD
Each subunit has 2 Mo-Fe-S clusters.
Both Fe proteins and MoFe proteins are sensitive to O2. 
TLS Online TPP Program

#Id: 9271

#Section 2: General Biology

TLS Online TPP Program

#Id: 9272

#Section 2: General Biology

TLS Online TPP Program

#Id: 9273

#Section 2: General Biology