Cloned (Comment) | Organism |
---|---|
expression in the yeast Saccharomyces cerevisiae. The yeast cells acquire functional DELTA5-desaturase activity and are capable of synthesizing arachidonic acid from the substrate di-homo-gamma-linolenic acid | Mortierella alpina |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
56000 | - |
x * 56000, SDS-PAGE | Mortierella alpina |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
an (8Z,11Z,14Z)-icosa-8,11,14-trienoyl-[glycerolipid] + 2 ferrocytochrome b5 + O2 + 2 H+ | Mortierella alpina | - |
a (5Z,8Z,11Z,14Z)-icosatetra-5,8,11,14-tetraenoyl-[glycerolipid] + ferricytochrome b5 + 2 H2O | - |
? | |
an (8Z,11Z,14Z)-icosa-8,11,14-trienoyl-[glycerolipid] + 2 ferrocytochrome b5 + O2 + 2 H+ | Mortierella alpina CBS 210.32 | - |
a (5Z,8Z,11Z,14Z)-icosatetra-5,8,11,14-tetraenoyl-[glycerolipid] + ferricytochrome b5 + 2 H2O | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Mortierella alpina | O74212 | - |
- |
Mortierella alpina CBS 210.32 | O74212 | - |
- |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
an (8Z,11Z,14Z)-icosa-8,11,14-trienoyl-[glycerolipid] + 2 ferrocytochrome b5 + O2 + 2 H+ = a (5Z,8Z,11Z,14Z)-icosatetra-5,8,11,14-tetraenoyl-[glycerolipid] + ferricytochrome b5 + 2 H2O | (1) | Mortierella alpina | |
an (8Z,11Z,14Z,17Z)-icosa-8,11,14,17-tetraenoyl-[glycerolipid] + 2 ferrocytochrome b5 + O2 + 2 H+ = a (5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoyl-[glycerolipid] + ferricytochrome b5 + 2 H2O | (2) | Mortierella alpina |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
an (8Z,11Z,14Z)-icosa-8,11,14-trienoyl-[glycerolipid] + 2 ferrocytochrome b5 + O2 + 2 H+ | - |
Mortierella alpina | a (5Z,8Z,11Z,14Z)-icosatetra-5,8,11,14-tetraenoyl-[glycerolipid] + ferricytochrome b5 + 2 H2O | - |
? | |
an (8Z,11Z,14Z)-icosa-8,11,14-trienoyl-[glycerolipid] + 2 ferrocytochrome b5 + O2 + 2 H+ | (8Z,11Z,14Z)-icosa-8,11,14-trienoate i.e. di-homo-gamma-linolenate. The enzyme contains a cytochrome b5 domain that acts as the direct electron donor to the active site of the desaturase, and does not require an external cytochrome | Mortierella alpina | a (5Z,8Z,11Z,14Z)-icosatetra-5,8,11,14-tetraenoyl-[glycerolipid] + ferricytochrome b5 + 2 H2O | (5Z,8Z,11Z,14Z)-icosatetra-5,8,11,14-tetraenoate i.e. arachidonate | ? | |
an (8Z,11Z,14Z)-icosa-8,11,14-trienoyl-[glycerolipid] + 2 ferrocytochrome b5 + O2 + 2 H+ | - |
Mortierella alpina CBS 210.32 | a (5Z,8Z,11Z,14Z)-icosatetra-5,8,11,14-tetraenoyl-[glycerolipid] + ferricytochrome b5 + 2 H2O | - |
? | |
an (8Z,11Z,14Z)-icosa-8,11,14-trienoyl-[glycerolipid] + 2 ferrocytochrome b5 + O2 + 2 H+ | (8Z,11Z,14Z)-icosa-8,11,14-trienoate i.e. di-homo-gamma-linolenate. The enzyme contains a cytochrome b5 domain that acts as the direct electron donor to the active site of the desaturase, and does not require an external cytochrome | Mortierella alpina CBS 210.32 | a (5Z,8Z,11Z,14Z)-icosatetra-5,8,11,14-tetraenoyl-[glycerolipid] + ferricytochrome b5 + 2 H2O | (5Z,8Z,11Z,14Z)-icosatetra-5,8,11,14-tetraenoate i.e. arachidonate | ? |
Subunits | Comment | Organism |
---|---|---|
? | x * 56000, SDS-PAGE | Mortierella alpina |
Synonyms | Comment | Organism |
---|---|---|
acyl-lipid 5-desaturase | - |
Mortierella alpina |
D5des | - |
Mortierella alpina |
DELTA5-fatty-acid desaturase | - |
Mortierella alpina |
DES5 | - |
Mortierella alpina |