ASS1 Protein, Human (His)

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ASS1 Protein, Human (His) is a recombinant human Argininosuccinate synthase expressed in E. coli with a His tag. Argininosuccinate synthase is an enzyme that catalyzes the synthesis of argininosuccinate from citrulline and aspartate.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: E. coli
  • Storage:
    Stored at -80°C for 1 year from date of receipt. 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.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • References
  • Help & FAQs

Biological Activity

Description

ASS1 Protein, Human (His) is a recombinant human Argininosuccinate synthase expressed in E. coli with a His tag. Argininosuccinate synthase is an enzyme that catalyzes the synthesis of argininosuccinate from citrulline and aspartate[1].

Background

Arginine is required by all tissues in the human body for protein synthesis, and by some tissues for specialized needs. Any de novo biosynthetic pathway for arginine involves the conversion of citrulline to arginine catalyzed by argininosuccinate synthase and argininosuccinate lyase. Specifically, argininosuccinate synthase catalyzes the condensation of citrulline and aspartate to form argininosuccinate, the immediate precursor of arginine[1].

Verified Bioactivity

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

Technical Parameters

  • Species Human
  • Source E. coli
  • Tag N-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • 6*His
    • ASS1 (M1-K412)
      Accession # P00966
    • C-term
  • Protein Length

    Full Length

  • Synonyms

    ASS1; Epididymis Secretory Sperm Binding Protein; Prev. ASS; Argininosuccinate Synthetase 1; Argininosuccinate Synthase; Argininosuccinate Synthetase; CTLN1; Citrulline-Aspartate Ligase; Citrulline--Aspartate Ligase; Argininosuccinate Synthase 1; Arginino

  • AA Sequence

    MSSKGSVVLAYSGGLDTSCILVWLKEQGYDVIAYLANIGQKEDFEEARKKALKLGAKKVFIEDVSREFVEEFIWPAIQSSALYEDRYLLGTSLARPCIARKQVEIAQREGAKYVSHGATGKGNDQVRFELSCYSLAPQIKVIAPWRMPEFYNRFKGRNDLMEYAKQHGIPIPVTPKNPWSMDENLMHISYEAGILENPKNQAPPGLYTKTQDPAKAPNTPDILEIEFKKGVPVKVTNVKDGTTHQTSLELFMYLNEVAGKHGVGRIDIVENRFIGMKSRGIYETPAGTILYHAHLDIEAFTMDREVRKIKQGLGLKFAELVYTGFWHSPECEFVRHCIAKSQERVEGKVQVSVLKGQVYILGRESPLSLYNEELVSMNVQGDYEPTDATGFININSLRLKEYHRLQSKVTAK

  • Predicted Molecular Mass

    42.8 kDa

  • Molecular Weight

    Approximately 50 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

    ≥ 90%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Solution

Formulation

1.Supplied as a 0.22 μm filtered solution of 20 mM PB, 150 mM NaCl, 50 mM Imidazole, 1 mM DTT, 40% glycerol, pH 7.5.
2.Supplied as a 0.22 μm filtered solution of PBS, 50 mM Imidazole, 1 mM DTT, 40% glycerol, pH 7.5.
Please refer to the lot-specific COA for specific buffer information.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Storage & Stability

Stored at -80°C for 1 year from date of receipt. 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.

References

Calculators

Reconstitution Calculator

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

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

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

Concentration (start) Concentration (start)
×
Volume (start) Volume (start)
=
Concentration (final) Concentration (final)
×
Volume (final) Volume (final)
The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

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

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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