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Literature summary for 7.4.2.5 extracted from

  • Yu, L.; Yang, H.; Tai, P.C.
    Expression and purification of Pseudomonas aeruginosa SecA N-terminal domain: stimulation of ATPase activity of the SecAL43P mutant protein (2006), Protein Expr. Purif., 47, 629-633.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
the DNA fragment encoding the N-terminal 236 amino acid residues is cloned into the pET20b vector for expression in Escherichia coli BL21.19 cells Pseudomonas aeruginosa

Protein Variants

Protein Variants Comment Organism
PaSecAL43P mutant Pseudomonas aeruginosa
PaSecAN236 N-terminal 236 amino acids of PaSecA Pseudomonas aeruginosa

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasmic membrane
-
Pseudomonas aeruginosa
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
27000
-
mutant PaSecAN236, determined by SDS-PAGE Pseudomonas aeruginosa
102000
-
monomer Pseudomonas aeruginosa

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + H2O Pseudomonas aeruginosa
-
ADP + phosphate
-
ir

Organism

Organism UniProt Comment Textmining
Pseudomonas aeruginosa Q9LCT3
-
-

Purification (Commentary)

Purification (Comment) Organism
using osmotic shock, a SP-Sepharose 26/10 packed cation-exchange column, and a Sephacryl-200 HR 16/90 packed column Pseudomonas aeruginosa

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.001
-
PaSecAN236, liposome Pseudomonas aeruginosa
0.0036
-
PaSecAL43P Pseudomonas aeruginosa
0.0065
-
PaSecAL43P, liposome Pseudomonas aeruginosa
0.0065
-
PaSecAN236, PaSecAL43P Pseudomonas aeruginosa
0.052
-
PaSecAN236, PaSecAL43P, liposome Pseudomonas aeruginosa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + H2O
-
Pseudomonas aeruginosa ADP + phosphate
-
ir

Subunits

Subunits Comment Organism
homodimer
-
Pseudomonas aeruginosa

Synonyms

Synonyms Comment Organism
PaSecA
-
Pseudomonas aeruginosa
SecA
-
Pseudomonas aeruginosa
SecA ATPase
-
Pseudomonas aeruginosa

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
ATPase activity assay Pseudomonas aeruginosa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.6
-
ATPase activity assay Pseudomonas aeruginosa