1.14.19.2: stearoyl-[acyl-carrier-protein] 9-desaturase

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For detailed information about stearoyl-[acyl-carrier-protein] 9-desaturase, go to the full flat file.

Reaction

Synonyms

acyl-ACP-desaturase, acyl-[acyl-carrier-protein] desaturase, ahSAD3A, ahSAD3B, AtSAD1, CrFAB2, CSAD, DELTA9 desaturase, DELTA9-stearoyl-ACP-desaturase-C, DesA1, DesA2, desaturase, acyl-[acyl carrier protein], EC 1.14.99.6, FAB, FAB2, Gmsacpd-c, NbSACPD-A, NbSACPD-B, NbSACPD-C, OeSAD2, OeSAD3, OsSAD1, OsSAD2, OsSAD3, PpSAD, PtSAD, S-ACP-DES, S-ACP-DES1, S-ACP-DES2, S-ACP-DES3, S-ACP-DES4, S-ACP-DES5, S-ACP-DES6, SACPD, SACPD-C, SAD, SAD1, SAD2, SAD3, SAD4, SAD6, SAD7, SAD8, SLL1, SSI2 desaturase, SSI2/FAB2, stearoyl-ACP desaturase, stearoyl-acyl carrier protein (ACP) desaturase, stearoyl-acyl carrier protein desaturase, stearoyl-acyl carrier protein desaturase 3, stearoyl-acyl carrier protein desaturase-1, stearoyl-acyl carrier protein fatty acid desaturase, stearoyl-[acyl carrier protein] desaturase, stearyl acyl carrier protein desaturase, stearyl-ACP desaturase, stearyl-acyl carrier protein desaturase, Tc01g009910, Tc04g005590, Tc04g017510, Tc04g017520, Tc04g017540, Tc05g012840, Tc08g012550, Tc09g024040, TcSAD1, TcSAD2, TcSAD3, TcSAD4, TcSAD5, TcSAD6, TcSAD7, TcSAD8, XsSAD, ZmSAD1

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

                1.14.19.2 stearoyl-[acyl-carrier-protein] 9-desaturase

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Results	in table
5	Activating Compound
786	AA Sequence
3	Application
1	CAS Registry Number
48	Cloned(Commentary)
46	Cofactor
3	Crystallization (Commentary)
9	Expression
33	General Information
1	General Stability
13	Inhibitors
23	KM Value [mM]
24	Localization
12	Metals/Ions
23	Molecular Weight [Da]
21	Natural Substrates/ Products (Substrates)
85	Organism
7	Pathway
31	PDB ID
2	pH Optimum
1	pH Range
12	pI Value
23	Protein Variants
14	Purification (Commentary)
5	Reaction
7	Reaction Type
65	Reference
82	Source Tissue
16	Specific Activity [micromol/min/mg]
5	Storage Stability
77	Substrates and Products (Substrate)
24	Subunits
152	Synonyms
1	Systematic Name
2	Temperature Optimum [°C]
1	Temperature Stability [°C]
19	Turnover Number [1/s]

Expression

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Expression on EC 1.14.19.2 - stearoyl-[acyl-carrier-protein] 9-desaturase

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EXPRESSION

ORGANISM

UNIPROT

LITERATURE

12-24 h after cold stress the enzyme expression is strongly increased and decreases thereafter

Chlamydomonas reinhardtii

A8IQB8

728451

ahSAD3 is expressed exclusively during seed development

Arachis hypogaea

-

713289

at lower temperatures plants and microalgae upregulate the expression of the SAD gene to produce more unsaturated fatty acids to maintain membrane fluidity at lower temperatures

2 entries

exposure to HL (0.4 mM photons m-2 s-1) significantly increases the enzyme's mRNA level. Nitrogen deficiency also markedly up-regulates the expression of the enzyme. mRNA levels of the enzyme are drastically upregulated, reaching their maximum at 48 h after glucose induction

2 entries

seed-specific down-regulation of endogenous AtSAD genes in Arabidopsis significantly increases the content of stearic and long-chain saturated fatty acids and the ratio of saturated to unsaturated fatty acids, whereas it significantly decreases the oleic acid content. Composition of fatty acids in the Arabidopsis seeds harbouring the exogenous ZmSAD1, anti-ZmSAD1, or ZmSAD1 RNAi constructs, overview

Arabidopsis thaliana

Q9LF04

744605

the stearoyl-ACP desaturase gene PtSAD is slightly downregulated within the first four hours of heat stress at 35°C and upregulated whereafter, and reaches a peak level 48 h later

Pinellia ternata

I3RQI7

746099

at lower temperatures plants and microalgae upregulate the expression of the SAD gene to produce more unsaturated fatty acids to maintain membrane fluidity at lower temperatures

Chlamydomonas reinhardtii

A8IQB8

744520

at lower temperatures plants and microalgae upregulate the expression of the SAD gene to produce more unsaturated fatty acids to maintain membrane fluidity at lower temperatures

Chlamydomonas reinhardtii 330

-

-

exposure to HL (0.4 mM photons m-2 s-1) significantly increases the enzyme's mRNA level. Nitrogen deficiency also markedly up-regulates the expression of the enzyme. mRNA levels of the enzyme are drastically upregulated, reaching their maximum at 48 h after glucose induction

Chromochloris zofingiensis

D0V0B8

728537

exposure to HL (0.4 mM photons m-2 s-1) significantly increases the enzyme's mRNA level. Nitrogen deficiency also markedly up-regulates the expression of the enzyme. mRNA levels of the enzyme are drastically upregulated, reaching their maximum at 48 h after glucose induction

Chromochloris zofingiensis ATCC 30412

-

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