## Term: SBO:0000186

### Name

maximal velocity### Definition

Limiting maximal velocity of an enzymatic reaction, reached when the substrate is in large excess and all the enzyme is complexed.

### Synonym(s)

- Vmax

### MathML

<math xmlns="http://www.w3.org/1998/Math/MathML"> <lambda> <bvar><ci definitionURL="http://biomodels.net/SBO/#SBO:0000505">Et</ci></bvar> <bvar><ci definitionURL="http://biomodels.net/SBO/#SBO:0000025">kcat</ci></bvar> <apply> <times/> <ci>Et</ci> <ci>kcat</ci> </apply> </lambda> </math>

### Rendered equation

### Comment

The symbol Vmax and the names maximum rate and maximum velocity are in widespread use although under normal circumstances there is no finite substrate concentration at which v = V and hence no maximum in the mathematical sense (Eur. J. Biochem. 128:281-291).

### Parent(s)

- SBO:0000046 zeroth order rate constant (is a)

### Children

- SBO:0000324 forward maximal velocity (is a)
- SBO:0000325 reverse maximal velocity (is a)

### Miscellaneous

Date of creation: 03 August 2006, 17:49

Date of last modification: 03 February 2010, 15:44