The enzyme that catalyzes the oxidation of succinate and ubiquinone to fumarate and ubiquinol; involved in aerobic respiration, repressed in anaerobic respiration.

Catalysis of the reaction: stearoyl-CoA + 2 ferrocytochrome b5 + O2 + 2 H+ = oleoyl-CoA + 2 ferricytochrome b5 + H2O.

Catalysis of the reaction: a 3-oxo-delta(5)-steroid = a 3-oxo-delta(4)-steroid.

The complex that catalyzes the phosphorylation of ADP to ATP during oxidative phosphorylation; it catalyzes the hydrolysis of ATP to ADP and orthophosphate.

Increases the rate of GTP hydrolysis by the GTPase ARF.

Catalysis of the reaction: D-ribulose 5-phosphate = D-xylulose 5-phosphate.

Interacting selectively with chitin, a linear polysaccharide consisting of P-1,4-linked N-acetyl-D-glucosamine residues.

Catalysis of the reaction: D-ribose 5-phosphate = D-ribulose 5-phosphate.

A multimeric complex which consists of flavoprotein (subunit A ; INTERPRO:003952), iron-sulfur protein (subunit B) and membrane-bound cytochrome b560 (subunit C; INTERPRO:000701). In some Archaea, the membrane-bound subunits (C or C and D) do not necessarily contain heme. Membrane-bound subunits can bind or react with quinones.

The timing of the emergence of the adult fly from its pupal case, which usually occurs at dawn.

The series of molecular signals initiated by binding of a ligand to an extracellular ligand to the Toll receptor on the surface of the target cell.

A membrane-bound flavoenzyme complex consisting of four subunits, A, B, C, and D. A and B comprise the membrane-extrinsic catalytic domain and C (INTERPRO:003510; INTERPRO:004224) and D (INTERPRO:003418) link the catalytic centers to the electron-transport chain. This family consists of the 13 kDa hydrophobic subunit D. This component may be required to anchor the catalytic components of the fumarate reductase complex to the cytoplasmic membrane. Fumarate reductase couples the reduction of fumarate to succinate to the oxidation of quinol to quinone, in a reaction opposite to that catalyzed by the related complex II of the respiratory chain (succinate dehydrogenase-(ubiquinone)).