CRIPT Protein, Human (His)

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CRIPT is a key member of the small spliceosome and plays a crucial role in U12-type intron splicing, contributing to the complexity of RNA splicing. CRIPT Protein, Human (His) is the recombinant human-derived CRIPT protein, expressed by E. coli , with N-His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: E. coli
  • Storage:
    Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

CRIPT is a key member of the small spliceosome and plays a crucial role in U12-type intron splicing, contributing to the complexity of RNA splicing. CRIPT Protein, Human (His) is the recombinant human-derived CRIPT protein, expressed by E. coli , with N-His labeled tag.

Background

CRIPT, a crucial participant in the minor spliceosome, plays a significant role in the splicing of U12-type introns in pre-mRNAs, contributing to the intricate process of RNA splicing. Beyond its role in splicing, CRIPT is involved in the cytoskeletal anchoring of DLG4 within excitatory synapses. As a component of the minor spliceosome complex, CRIPT engages in interactions with key partners such as RNF113A, SF3B1/SF3b155, SF3B2/SF3b145, and PHF5A/SF3b14b. It also exhibits a strong interaction with the PDZ3 domain of DLG4 family members, emphasizing its role in synaptic function. Additionally, CRIPT associates with microtubules, indicating its involvement in cytoskeletal dynamics. The intricate interplay of CRIPT with various molecular partners underscores its multifaceted contributions to splicing and synaptic organization.

Technical Parameters

  • Species Human
  • Source E. coli
  • Tag N-His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • His
    • CRIPT (M1-V101)
      Accession # Q9P021
    • C-term
  • Protein Length

    Full Length

  • Synonyms

    Cysteine-rich PDZ-binding protein; CRIPT; HSPC139

  • AA Sequence

    MVCEKCEKKLGTVITPDTWKDGARNTTESGGRKLNENKALTSKKARFDPYGKNKFSTCRICKSSVHQPGSHYCQGCAYKKGICAMCGKKVLDTKNYKQTSV

  • Molecular Weight

    Approximately 17 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of 50 mM Tris, 300 mM NaCl, 5% trehalose, 5% mannitol and 0.01% Tween 80, pH 7.4.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.

Storage & Stability

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

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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