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AB222427

Recombinant rat Lactate Dehydrogenase protein (Active) (His tag C-Terminus)

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Recombinant rat Lactate Dehydrogenase protein (Active) (His tag C-Terminus) is a Rat Full Length protein, in the 1 to 332 aa range, expressed in Baculovirus infected insect cells, with >95%, < 1 EU/µg endotoxin level, suitable for SDS-PAGE, FuncS.

View Alternative Names

Ldh-1, Ldh1, Ldha, L-lactate dehydrogenase A chain, LDH-A, LDH muscle subunit, LDH-M

1 Images
SDS-PAGE - Recombinant rat Lactate Dehydrogenase protein (Active) (His tag C-Terminus) (AB222427)
  • SDS-PAGE

Supplier Data

SDS-PAGE - Recombinant rat Lactate Dehydrogenase protein (Active) (His tag C-Terminus) (AB222427)

SDS-PAGE - Recombinant rat Lactate Dehydrogenase protein (Active) (ab222427 at 3 μg)

Key facts

Purity

>95% SDS-PAGE

Endotoxin level

< 1 EU/µg

Expression system

Baculovirus infected insect cells

Tags

His tag C-Terminus

Applications

SDS-PAGE, FuncS

applications

Biologically active

Yes

Biological activity

Specific activity is > 200 units/mg, in which one unit will convert 1.0 umole of pyruvate to L-lactate and beta-NAD per minute at pH 7.5 at 37°C.

Accession

P04642

Animal free

No

Carrier free

No

Species

Rat

Storage buffer

pH: 7.4 Constituents: PBS, 20% Glycerol (glycerin, glycerine), 0.03% (R*,R*)-1,4-Dimercaptobutan-2,3-diol

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>" }, "FuncS": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

Sequence info

[{"sequence":"MAALKDQLIVNLLKEEQVPQNKITVVGVGAVGMACAISILMKDLADELALVDVIEDKLKGEMMDLQHGSLFLKTPKIVSSKDYSVTANSKLVIITAGARQQEGESRLNLVQRNVNIFKFIIPNVVKYSPQCKLLIVSNPVDILTYVAWKISGFPKNRVIGSGCNLDSARFRYLMGERLGVHPLSCHGWVLGEHGDSSVPVWSGVNVAGVSLKSLNPQLGTDADKEQWKDVHKQVVDSAYEVIKLKGYTSWAIGLSVADLAESIMKNLRRVHPISTMIKGLYGIKEDVFLSVPCILGQNGISDVVKVTLTPDEEARLKKSADTLWGIQKELQFLEHHHHHH","proteinLength":"Full Length","predictedMolecularWeight":"37.5 kDa","actualMolecularWeight":null,"aminoAcidEnd":332,"aminoAcidStart":1,"nature":"Recombinant","expressionSystem":"Baculovirus infected insect cells","accessionNumber":"P04642","tags":[{"tag":"His","terminus":"C-Terminus"}]}]

Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
True

Supplementary information

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

Lactate dehydrogenase (LDH) is an enzyme that catalyzes the interconversion of pyruvate and lactate along with the conversion of NADH to NAD+. LDH is known by other names such as lactic acid dehydrogenase and LDH-5. The enzyme has a molecular weight of approximately 36 kDa. LDH exists in almost all tissues having multiple isoforms that are expressed differently depending on the tissue type. It shows high expression in muscle tissue liver and heart indicating its extensive role in energy metabolism.
Biological function summary

Lactate dehydrogenase plays a critical role in anaerobic glycolysis. The enzyme helps in regenerating NAD+ from NADH allowing glycolysis to continue in the absence of oxygen. LDH is not a part of any larger protein complex working independently to fulfill its function in the glycolytic pathway. It serves in rapid energy production especially under hypoxic or exertional conditions where oxygen supply is limited.

Pathways

LDH is significantly involved in the glycolysis and gluconeogenesis pathways. Within glycolysis LDH helps facilitate the conversion of pyruvate to lactate during anaerobic conditions a step important for ATP production when oxygen is scarce. The enzyme is tied closely to phosphofructokinase-1 (PFK-1) in glycolysis given that both enzymes are central to maintaining the glycolytic flow. In gluconeogenesis though functionally reversed from its role in glycolysis LDH helps to manage lactate removal an important step for glucose synthesis from non-carbohydrate sources.

Lactate dehydrogenase levels often act as a biomarker for tissue damage or certain cancers as its release into the bloodstream signals cellular injury or death. Elevated LDH levels are associated with conditions like myocardial infarction and certain forms of anemia. In cancer such as lymphoma or leukemia LDH correlates with the progression of the disease and acts as a prognostic marker. LDH's connection to these conditions often leads to insights into disease severity and progression due to its association with proteins like p53 and HIF-1 which play roles in cellular metabolism and hypoxia response.

Specifications

Form

Liquid

Additional notes

Affinity purified

General info

Function

Interconverts simultaneously and stereospecifically pyruvate and lactate with concomitant interconversion of NADH and NAD(+).

Sequence similarities

Belongs to the LDH/MDH superfamily. LDH family.

Post-translational modifications

ISGylated.

Product protocols

Target data

Interconverts simultaneously and stereospecifically pyruvate and lactate with concomitant interconversion of NADH and NAD(+).
See full target information Ldha

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