1. Recombinant Proteins
  2. Enzymes & Regulators
  3. Hydrolases (EC 3)
  4. Beta-galactosidase/GLB1 Protein, E.coli

Beta-galactosidase/GLB1 Protein, E.coli

Cat. No.: HY-P7859
COA Handling Instructions

Beta-galactosidase/GLB1 protein is a hydrolase with catalytic activity and binding sites of Mg2+, Mn2+ and Na+. Beta-galactosidase/GLB1 protein can be used for research in genetics, molecular biology, and other life sciences. Beta-galactosidase/GLB1 Protein, E.coli is the recombinant E. coli-derived Beta-galactosidase/GLB1 protein, expressed by E. coli , with tag free.

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

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Size Price Stock Quantity
10 μg $70 In-stock
50 μg $190 In-stock
100 μg   Get quote  

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  • Biological Activity

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Description

Beta-galactosidase/GLB1 protein is a hydrolase with catalytic activity and binding sites of Mg2+, Mn2+ and Na+. Beta-galactosidase/GLB1 protein can be used for research in genetics, molecular biology, and other life sciences. Beta-galactosidase/GLB1 Protein, E.coli is the recombinant E. coli-derived Beta-galactosidase/GLB1 protein, expressed by E. coli , with tag free.

Background

Beta-galactosidase is a hydrolase produced by Escherichia coli, which is widely found in natural plants. Beta-galactosidase is a tetrimer of four identical, abnormally long polypeptide chains, consisting of 9-10 subunits, with amino acid composition very different from that of Colithinase. Beta-galactosidase can be combined with Mg2+, Mn2+ and Na+. Beta-galactosidase is inhibited by phenethylthiobeta-d-galactose (PETG), isopropyl thiobeta-d-galactose (IPTG), L-ribose, d-galactolactone, lactose, and 2-amino-d-galactose. Beta-galactosidase has a large molecular weight and is easy to be isolated and purified. Beta-galactosidase can be used in food research[1][2][3][4][5].

Biological Activity

The enzyme activity of this recombinant protein is testing in progress, we cannot offer a guarantee yet.

Species

E.coli

Source

E. coli

Tag

Tag Free

Accession

P00722 (M1-K1024, M443L, C500S, 12-41a.a deletion)

Gene ID

945006  [NCBI]

Molecular Construction
N-term
Beta-gal (M1-K1024, M443L, C500S, 12-41a.a deletion)
Accession # P00722
C-term
Synonyms
rEcoBeta-galactosidase; Beta-galactosidase; Beta-gal; Lactase; lacZ
AA Sequence

MTMITDSLAVVLQRRDWENPGVTQLNRLAAHPPFASWRNSEEARTDRPSQQLRSLNGEWRFAWFPAPEAVPESWLECDLPEADTVVVPSNWQMHGYDAPIYTNVTYPITVNPPFVPTENPTGCYSLTFNVDESWLQEGQTRIIFDGVNSAFHLWCNGRWVGYGQDSRLPSEFDLSAFLRAGENRLAVMVLRWSDGSYLEDQDMWRMSGIFRDVSLLHKPTTQISDFHVATRFNDDFSRAVLEAEVQMCGELRDYLRVTVSLWQGETQVASGTAPFGGEIIDERGGYADRVTLRLNVENPKLWSAEIPNLYRAVVELHTADGTLIEAEACDVGFREVRIENGLLLLNGKPLLIRGVNRHEHHPLHGQVMDEQTMVQDILLMKQNNFNAVRCSHYPNHPLWYTLCDRYGLYVVDEANIETHGMVPMNRLTDDPRWLPAMSERVTRMVQRDRNHPSVIIWSLGNESGHGANHDALYRWIKSVDPSRPVQYEGGGADTTATDIICPMYARVDEDQPFPAVPKWSIKKWLSLPGETRPLILCEYAHAMGNSLGGFAKYWQAFRQYPRLQGGFVWDWVDQSLIKYDENGNPWSAYGGDFGDTPNDRQFCMNGLVFADRTPHPALTEAKHQQQFFQFRLSGQTIEVTSEYLFRHSDNELLHWMVALDGKPLASGEVPLDVAPQGKQLIELPELPQPESAGQLWLTVRVVQPNATAWSEAGHISAWQQWRLAENLSVTLPAASHAIPHLTTSEMDFCIELGNKRWQFNRQSGFLSQMWIGDKKQLLTPLRDQFTRAPLDNDIGVSEATRIDPNAWVERWKAAGHYQAEAALLQCTADTLADAVLITTAHAWQHQGKTLFISRKTYRIDGSGQMAITVDVEVASDTPHPARIGLNCQLAQVAERVNWLGLGPQENYPDRLTAACFDRWDLPLSDMYTPYVFPSENGLRCGTRELNYGPHQWRGDFQFNISRYSQQQLMETSHRHLLHAEEGTWLNIDGFHMGIGGDDSWSPSVSAEFQLSAGRYHYQLVWCQK

Molecular Weight

Approximately 115.0 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,150 mM NaCl, 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

Beta-galactosidase/GLB1 Protein, E.coli 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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Beta-galactosidase/GLB1 Protein, E.coli
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