Excreted S1P provokes many different cell and tissue effects, among them inflammation in allergic reactions, cell proliferation, angiogenesis, malignant transformation, and movement and migration of certain cells.

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#Id: 8115

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Excreted S1P provokes many different cell and tissue effects, among them inflammation in allergic reactions, cell proliferation, angiogenesis, malignant transformation, and movement and migration of certain cells.

TLS Online TPP Program

#Id: 9268

#XL - R Botany

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.

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#Id: 9269

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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-).

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#Id: 9270

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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

#XL - R Botany

TLS Online TPP Program

#Id: 9272

#XL - R Botany

TLS Online TPP Program

#Id: 9273

#XL - R Botany