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1.14.19.1: stearoyl-CoA 9-desaturase

This is an abbreviated version!
For detailed information about stearoyl-CoA 9-desaturase, go to the full flat file.

Word Map on EC 1.14.19.1

Reaction

stearoyl-CoA
+ 2 ferrocytochrome b5 +
O2
+ 2 H+ =
oleoyl-CoA
+ 2 ferricytochrome b5 + 2 H2O

Synonyms

ACOD4, acyl coenzyme A desaturase, acyl-CoA desaturase, delta-9 desaturase, DELTA9 desaturase, DELTA9 fatty acid desaturase, DELTA9 terminal desaturase, DELTA9-acyl CoA desaturase, DELTA9-desaturase, DELTA9-fatty-acid desaturase, DELTA9D, DesA3, desaturase 9, Dpu-DELTA9-KPSE, EC 1.14.99.5, eicosatrienoyl-CoA desaturase, FAD9, fatty acid 9-desaturase, fatty acid DELTA9-desaturase, fatty acid desaturase, fatty acyl CoA DELTA9-desaturase, fatty acyl DELTA9-desaturase, fatty acyl-CoA desaturase, hSCD1, hSCD5, long-chain fatty acid DELTA9-desaturase, membrane-bound stearoyl-CoA DELTA9 desaturase, NPVE desaturase, palmitoyl CoA desaturase, palmitoyl-CoA desaturase, SCD, SCD-1, SCD-2, SCD-3, SCD-4, SCD1, SCD2, SCD3, SCD4, SCD5, stearoyl CoA desaturase, stearoyl coenzyme A desaturase, stearoyl coenzyme-A desaturase 1, stearoyl-ACP DELTA9 desaturase, stearoyl-CoA (DELTA8) desaturase, stearoyl-CoA desaturase, stearoyl-CoA desaturase 1, stearoyl-CoA desaturase 2, stearoyl-CoA desaturase enzyme-1, stearoyl-CoA desaturase-1, stearoyl-CoA desaturase-2, stearoyl-CoA desaturase-3, stearoyl-CoA desaturase-4, stearoyl-CoA desaturase-5, stearoyl-CoA desaturase1, stearoyl-CoA desaturase2, stearoyl-coenzyme A desaturase, stearoyl-coenzyme A desaturase-1, stearyl coenzyme A desaturase, stearyl-CoA desaturase, TkSCD-1, TkSCD-2

ECTree

     1 Oxidoreductases
         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
             1.14.19 With oxidation of a pair of donors resulting in the reduction of O2 to two molecules of water
                1.14.19.1 stearoyl-CoA 9-desaturase

Engineering

Engineering on EC 1.14.19.1 - stearoyl-CoA 9-desaturase

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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
L146F
-
point mutation in ssi2 gene, causes reduced desaturase activity
C222S
-
with Myc epitope tagged to the C terminus, expressed in HeLa cells, actitivity comparable to that of the wild-type
C233S
-
with Myc epitope tagged to the C terminus, expressed in HeLa cells, actitivity comparable to that of the wild-type
C322S
-
with Myc epitope tagged to the C terminus, expressed in HeLa cells, actitivity comparable to that of the wild-type
C92S
-
with Myc epitope tagged to the C terminus, expressed in HeLa cells, actitivity comparable to that of the wild-type
C92S/C97S/C222S/C322S
-
with Myc epitope tagged to the C terminus, expressed in HeLa cells, actitivity 5fold increased compared with cells transfected with the empty vector, clear ER pattern
C97S
-
with Myc epitope tagged to the C terminus, expressed in HeLa cells, actitivity comparable to that of the wild-type
I112A/E113L
site-directed mutagenesis, the mutation is able to convert isozyme SCD3 from exclusively a 16:0 desaturase into a predominantly 18:0 desaturase
V119A/D281Q/P282S E113L
site-directed mutagenesis, the mutation of the residues which are located away from the end of the substrate tunnel, causes no change in the reaction specificity of isozyme SCD3
additional information