Human Aconitase 1/ACO1 Baculovirus-Insect cells Overexpression Lysate: Product Information
This Human Aconitase 1/ACO1 overexpression lysate was created in Baculovirus-Insect cells and intented for use as a Western blot (WB) positive control. Purification of Aconitase 1/ACO1 protein (Cat: 10966-H07B) from the overexpression lysate was verified.
A DNA sequence encoding the human ACO1 (P21399) (Met 1-Lys 889) was expressed, with a polyhistidine tag at the N-terminus.
The recombinant human ACO1 consists of 908 amino acids and has a calculated molecular mass of 101 kDa. It migrates as an approximately 90 kDa band in SDS-PAGE under reducing conditions.
Human Aconitase 1/ACO1 Baculovirus-Insect cells Overexpression Lysate: Usage Guide
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors (Sigma). Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (Bio-Rad protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50 mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.
2. Re-dissolve the pellet using 200μL pure water and boil for 2-5 min.
1 X Sample Buffer (1 X modified RIPA buffer+1 X SDS loading buffer).
Stability & Storage
Store at 4℃ for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80℃ for up to twelve months. Avoid repeated freeze-thaw cycles.
Western Blot (WB) Optimal dilutions/concentrations should be determined by the end user.
Human Aconitase 1/ACO1 Baculovirus-Insect cells Overexpression Lysate: Synonyms
Human ACONS Overexpression Lysate; Human HEL60 Overexpression Lysate; Human IREB1 Overexpression Lysate; Human IREBP Overexpression Lysate; Human IREBP1 Overexpression Lysate; Human IRP1 Overexpression Lysate
Aconitase 1/ACO1 Background Information
Aconitase 1(ACO1) or IRP1 is one member of the aconitase family that contains a diverse group of iron-sulphur(Fe-S) isomerases and two types of iron regulatory protein. Aconitase exits in two forms: one is soluble and the other is mitochondrial. ACO1 is the soluble existing form, and the mitochondrial form is ACO2. Residues from all three N-terminal domains and the larger C-terminal domain contribute to the active site region. When the enzyme is activated, it gains an additional iron atom. ACO1 can assume two different functions in cells, depending on different conditions. During iron scarcity or oxidative stress, ACO1 binds to mRNA stem-loop structures called iron responsive elements to modulate the translation of iron metabolism genes. In iron-rich conditions, ACO1 binds an iron-sulfur cluster to function as a cytosolic aconitase.
aconitase 1, soluble
Robbins AH, et al. (1989) The structure of aconitase. Proteins: Structure, Function, and Bioinformatics. 5 (4): 289-312.
Volz K. (2008) The functional duality of iron regulatory protein 1. Curr Opin Struct Biol. 18 (1): 106-11.
Gruer MJ, et al. (1997) The aconitase family: three structural variations on a common theme. Trends Biochem Sci. 22 (1): 3-6.
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