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AB89009

Recombinant Human RFK protein (His tag N-Terminus)

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Recombinant Human RFK protein (His tag N-Terminus) is a Human Full Length protein, expressed in Escherichia coli, with >90%, suitable for SDS-PAGE.

View Alternative Names

Riboflavin kinase, ATP:riboflavin 5'-phosphotransferase, Flavokinase, RFK

1 Images
SDS-PAGE - Recombinant Human RFK protein (His tag N-Terminus) (AB89009)
  • SDS-PAGE

Unknown

SDS-PAGE - Recombinant Human RFK protein (His tag N-Terminus) (AB89009)

15% SDS-PAGE analysis of 3μg ab89009.

Key facts

Purity

>90% SDS-PAGE

Expression system

Escherichia coli

Tags

His tag N-Terminus

Applications

SDS-PAGE

applications

Biologically active

No

Accession

Q969G6

Animal free

No

Carrier free

No

Species

Human

Storage buffer

pH: 8 Constituents: 10% Glycerol (glycerin, glycerine), 0.316% Tris HCl

storage-buffer

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "SDS-PAGE": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

Sequence info

[{"sequence":"MGSSHHHHHHSSGLVPRGSHMPRADCIMRHLPYFCRGQVVRGFGRGSKQLGIPTANFPEQVVDNLPADISTGIYYGWASVGSGDVHKMVVSIGWNPYYKNTKKSMETHIMHTFKEDFYGEILNVAIVGYLRPEKNFDSLESLISAIQGDIEEAKKRLELPEHLKIKEDNFFQVSKSKIMNGH","proteinLength":"Full Length","predictedMolecularWeight":null,"actualMolecularWeight":null,"aminoAcidEnd":0,"aminoAcidStart":0,"nature":"Recombinant","expressionSystem":"Escherichia coli","accessionNumber":"Q969G6","tags":[{"tag":"His","terminus":"N-Terminus"}]}]

Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
-20°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
False

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Riboflavin kinase (RFK) also known as flavokinase catalyzes the phosphorylation of riboflavin to form flavin mononucleotide (FMN). This ATP-dependent process plays an important role in flavin metabolism. RFK exhibits a molecular mass of approximately 15 kDa. Expression of RFK occurs broadly in human tissues with notable levels in the liver reflecting its essential role in maintaining cellular flavin pools.
Biological function summary

Riboflavin kinase impacts amino acid lipid and carbohydrate metabolism by regulating flavoprotein activity. These flavoproteins many of which require FMN as a cofactor participate in fundamental cellular processes. RFK itself does not form part of a larger multi-protein complex; however its activity and presence are strategically important in producing cofactors for such complexes enabling varied biochemical pathways.

Pathways

Riboflavin kinase contributes significantly to the maintenance of cellular redox balance and energy production. RFK functions in the riboflavin metabolism pathway where it produces FMN which acts as a precursor for flavin adenine dinucleotide (FAD) synthesis. The presence of FMN and FAD supports key enzymatic reactions implicating RFK in the broader context of the electron transport chain. It interacts functionally with proteins such as NADH dehydrogenase that also require FMN or FAD as cofactors.

Riboflavin kinase alterations have implications for pathologies such as riboflavin transporter deficiency and certain metabolic syndromes. RFK dysfunction can lead to insufficient FMN and FAD levels disrupting energy metabolism and contributing to these conditions. Links between RFK and enzymes like acyl-CoA dehydrogenase which require FAD further exemplify how deficiencies can disturb lipid metabolism highlighting potential areas for therapeutic focus.

Specifications

Form

Liquid

Additional notes

ab89009 is purified using conventional chromatography techniques.

General info

Function

Catalyzes the phosphorylation of riboflavin (vitamin B2) to form flavin-mononucleotide (FMN), hence rate-limiting enzyme in the synthesis of FAD. Essential for TNF-induced reactive oxygen species (ROS) production. Through its interaction with both TNFRSF1A and CYBA, physically and functionally couples TNFRSF1A to NADPH oxidase. TNF-activation of RFK may enhance the incorporation of FAD in NADPH oxidase, a critical step for the assembly and activation of NADPH oxidase.

Product protocols

Target data

Catalyzes the phosphorylation of riboflavin (vitamin B2) to form flavin-mononucleotide (FMN), hence rate-limiting enzyme in the synthesis of FAD. Essential for TNF-induced reactive oxygen species (ROS) production. Through its interaction with both TNFRSF1A and CYBA, physically and functionally couples TNFRSF1A to NADPH oxidase. TNF-activation of RFK may enhance the incorporation of FAD in NADPH oxidase, a critical step for the assembly and activation of NADPH oxidase.
See full target information RFK

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