CHT Protein, Human (HEK293, Strep, His)

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CHT Protein, Human (HEK293, Strep, His) is the recombinant human-derived CHT, expressed by HEK293 , with Strep, His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: HEK293
  • 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
  • Help & FAQs

Biological Activity

Description

CHT Protein, Human (HEK293, Strep, His) is the recombinant human-derived CHT, expressed by HEK293 , with Strep, His labeled tag.

Background

CHT is a high-affinity Na(+)-coupled choline transmembrane symporter that functions as an electrogenic, voltage-dependent transporter with variable charge/choline stoichiometry. Choline uptake and choline-induced current are Cl(-)-dependent, where Cl(-) likely acts as a regulatory ion rather than a cotransported ion. It plays a critical role in acetylcholine (ACh) synthesis by transporting choline from the synaptic cleft into presynaptic nerve terminals. SLC5A7/CHT1-mediated high-affinity choline transport in cholinergic neurons is the rate-limiting step for ACh production, facilitating subsequent action potential transmission. CHT is predominantly localized in presynaptic terminal intracellular organelles and translocates to the plasma membrane in its active form in response to neuronal activity.

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag Strep;His
  • Accession
  • Gene ID
  • Protein Length

    Full Length

  • Synonyms

    SLC5A7; Solute Carrier Family 5 (Choline Transporter), Member 7; Solute Carrier Family 5 Member 7; Motor Neuronopathy, Distal Hereditary, Type VIIA; CHT1; Hemicholinium-3-Sensitive Choline Transporter; High Affinity Choline Transporter 1; SLC5A7 Protein;

  • AA Sequence

    MAFHVEGLIAIIVFYLLILLVGIWAAWRTKNSGSAEERSEAIIVGGRDIGLLVGGFTMTATWVGGGYINGTAEAVYVPGYGLAWAQAPIGYSLSLILGGLFFAKPMRSKGYVTMLDPFQQIYGKRMGGLLFIPALMGEMFWAAAIFSALGATISVIIDVDMHISVIISALIATLYTLVGGLYSVAYTDVVQLFCIFVGLWISVPFALSHPAVADIGFTAVHAKYQKPWLGTVDSSEVYSWLDSFLLLMLGGIPWQAYFQRVLSSSSATYAQVLSFLAAFGCLVMAIPAILIGAIGASTDWNQTAYGLPDPKTTEEADMILPIVLQYLCPVYISFFGLGAVSAAVMSSADSSILSASSMFARNIYQLSFRQNASDKEIVWVMRITVFVFGASATAMALLTKTVYGLWYLSSDLVYIVIFPQLLCVLFVKGTNTYGAVAGYVSGLFLRITGGEPYLYLQPLIFYPGYYPDDNGIYNQKFPFKTLAMVTSFLTNICISYLAKYLFESGTLPPKLDVFDAVVARHSEENMDKTILVKNENIKLDELALVKPRQSMTLSSTFTNKEAFLDVDSSPEGSGTEDNLQ

  • Predicted Molecular Mass

    67.6 kDa

  • Molecular Weight

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

  • Glycosylation

    Yes

  • Purity

    ≥ 80%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Solution

Formulation

Supplied as a 0.22 μm filtered solution of 20 mM HEPES, pH 7.5, 150 mM NaCl, 0.004% (w/v) LMNG.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

Please use rapid thawing with running water to thaw the protein.

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.

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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