Recombinant Pelodictyon phaeoclathratiforme NADH-quinone oxidoreductase subunit A (nuoA)

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Description

General Function of NADH-quinone Oxidoreductase Subunit A

NADH-quinone oxidoreductase subunit A, encoded by the nuoA gene, is a component of the NADH dehydrogenase complex (Complex I) in bacteria. This complex is responsible for transferring electrons from NADH to quinones in the respiratory chain, generating a proton gradient across the membrane that drives ATP synthesis . The subunit A is typically embedded in the inner membrane and contributes to the proton pumping activity of the complex.

Characteristics of Pelodictyon phaeoclathratiforme

Pelodictyon phaeoclathratiforme is a brown-colored member of the Chlorobiaceae family, characterized by its net-like colonies and the presence of gas vacuoles. It is strictly anaerobic and phototrophic, using sulfide, sulfur, and thiosulfate as electron donors during anaerobic phototrophic growth . While there is no specific information on the recombinant nuoA from this species, understanding its native metabolism can provide insights into potential applications of recombinant proteins.

Table: Comparison of NADH-quinone Oxidoreductase Subunit A Functions

FeatureGeneral Function in BacteriaSpecific to Pelodictyon phaeoclathratiforme
Electron TransferTransfers electrons from NADH to quinonesLimited specific data available
Proton PumpingGenerates proton gradient across the membraneNot specifically studied in P. phaeoclathratiforme
Metabolic RoleEssential for respiratory chain functionImportant in anaerobic phototrophic metabolism
Expression and PurificationTypically expressed in host organisms like E. coliNot reported for recombinant nuoA from P. phaeoclathratiforme

Product Specs

Form
Lyophilized powder
Note: While we prioritize shipping the format currently in stock, please specify your format preference during order placement for customized preparation.
Lead Time
Delivery times vary depending on the purchasing method and location. Please contact your local distributor for precise delivery estimates.
Note: Standard shipping includes blue ice packs. Dry ice shipping requires prior arrangement and incurs additional charges.
Notes
Avoid repeated freeze-thaw cycles. Store working aliquots at 4°C for up to one week.
Reconstitution
Centrifuge the vial briefly before opening to collect the contents. Reconstitute the protein in sterile, deionized water to a concentration of 0.1-1.0 mg/mL. We recommend adding 5-50% glycerol (final concentration) and aliquoting for long-term storage at -20°C/-80°C. Our standard glycerol concentration is 50%, which can serve as a guideline.
Shelf Life
Shelf life depends on various factors including storage conditions, buffer composition, temperature, and protein stability. Generally, liquid formulations have a 6-month shelf life at -20°C/-80°C, while lyophilized forms have a 12-month shelf life at -20°C/-80°C.
Storage Condition
Upon receipt, store at -20°C/-80°C. Aliquoting is essential for multiple uses. Avoid repeated freeze-thaw cycles.
Tag Info
Tag type is determined during manufacturing.
The tag type is determined during the production process. If you require a specific tag, please inform us, and we will prioritize its development.
Synonyms
nuoA; Ppha_1873; NADH-quinone oxidoreductase subunit A; NADH dehydrogenase I subunit A; NDH-1 subunit A; NUO1
Buffer Before Lyophilization
Tris/PBS-based buffer, 6% Trehalose.
Datasheet
Please contact us to get it.
Expression Region
1-143
Protein Length
full length protein
Species
Pelodictyon phaeoclathratiforme (strain DSM 5477 / BU-1)
Target Names
nuoA
Target Protein Sequence
MDQTLSNFGNVFAFLALGVVFVAGGYLTARMLRPSRPNPAKNSTYECGEEAVGSAWVKFN IRFYVVALIFIIFDVEVVFLYPWATVFKQLGEFALIEALVFAGILVLGLAYAWVKGDLDW VRPTPNIPKMPEMPSGKSGALRG
Uniprot No.

Target Background

Function
Pelodictyon phaeoclathratiforme NADH-quinone oxidoreductase subunit A (nuoA) is a vital component of the respiratory chain. It facilitates electron transfer from NADH to quinones via FMN and iron-sulfur (Fe-S) centers. In this organism, the primary electron acceptor is believed to be a menaquinone. This process couples the redox reaction with proton translocation, translocating four hydrogen ions across the cytoplasmic membrane for every two electrons transferred, thereby conserving energy in a proton gradient.
Database Links
Protein Families
Complex I subunit 3 family
Subcellular Location
Cell inner membrane; Multi-pass membrane protein.

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