1. Recombinant Proteins
  2. Enzymes & Regulators
  3. Oxidoreductases (EC 1)
  4. LDHA Protein, Human (His)

LDHA Protein, Human (His)

Cat. No.: HY-P70225
COA Handling Instructions

LDHA protein catalyzes the stereospecific interconversion of pyruvate and lactate, concomitantly exchanging NADH and NAD(+). LDHA Protein, Human (His) is the recombinant human-derived LDHA protein, expressed by E. coli , with N-6*His labeled tag. The total length of LDHA Protein, Human (His) is 332 a.a., with molecular weight of ~38.0 kDa.

For research use only. We do not sell to patients.

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  • Biological Activity

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Description

LDHA protein catalyzes the stereospecific interconversion of pyruvate and lactate, concomitantly exchanging NADH and NAD(+). LDHA Protein, Human (His) is the recombinant human-derived LDHA protein, expressed by E. coli , with N-6*His labeled tag. The total length of LDHA Protein, Human (His) is 332 a.a., with molecular weight of ~38.0 kDa.

Background

LDHA protein catalyzes the simultaneous and stereospecific interconversion of pyruvate and lactate, accompanied by the reciprocal interconversion of NADH and NAD(+).

Biological Activity

Measured by its ability to reduce pyruvate to lactate. The specific activity is > 70000 pmol/min/μg, as measured under the described conditions.

Species

Human

Source

E. coli

Tag

N-6*His

Accession

P00338 (M1-F332)

Gene ID
Molecular Construction
N-term
6*His
LDHA (M1-F332)
Accession # P00338
C-term
Synonyms
rHuL-lactate dehydrogenase A chain/LDH-A, His; L-Lactate Dehydrogenase A Chain; LDH-A; Cell Proliferation-Inducing Gene 19 Protein; LDH Muscle Subunit; LDH-M; Renal Carcinoma Antigen NY-REN-59; LDHA
AA Sequence

MATLKDQLIYNLLKEEQTPQNKITVVGVGAVGMACAISILMKDLADELALVDVIEDKLKGEMMDLQHGSLFLRTPKIVSGKDYNVTANSKLVIITAGARQQEGESRLNLVQRNVNIFKFIIPNVVKYSPNCKLLIVSNPVDILTYVAWKISGFPKNRVIGSGCNLDSARFRYLMGERLGVHPLSCHGWVLGEHGDSSVPVWSGMNVAGVSLKTLHPDLGTDKDKEQWKEVHKQVVESAYEVIKLKGYTSWAIGLSVADLAESIMKNLRRVHPVSTMIKGLYGIKDDVFLSVPCILGQNGISDLVKVTLTSEEEARLKKSADTLWGIQKELQF

Molecular Weight

Approximately 38.0 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE.

Appearance

Solution.

Formulation

Supplied as a 0.2 μm filtered solution of 20 mM Tris-HCl, 500 mM NaCl, 5% Trehalose, 5% Mannitol, 0.01% Tween80, 1 mM EDTA, 50% Glycerol, pH 8.0.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Storage & Stability

Stored at -80°C for 1 year. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.

Shipping

Shipping with dry ice.

Documentation

LDHA Protein, Human (His) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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LDHA Protein, Human (His)
Cat. No.:
HY-P70225
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