Gβγ activates Cdc24, a GEF for Cdc42

TLS Online TPP Program

#Id: 9467

#XL - T Zoology

SH2 domain of STAT binds to a specific phosphotyrosine in the cytosolic domain of an activated receptor

TLS Online TPP Program

#Id: 9093

#XL - T Zoology

Ligand binding to GPCRs that activate Gαq, leading to activation of phospholipase C

TLS Online TPP Program

#Id: 9270

#XL - Q Biochemistry

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: 9613

#XL - T Zoology

In the absence of insulin, the extracellular domain adopts a symmetric inverted U-shaped conformation. 

TLS Online TPP Program

#Id: 8883

#XL - R Botany

Once mitotic CDKs are activated at the end of G2 , they phosphorylate specific serine residues in all 3 nuclear lamins.