OXT Protein, Human (P.pastoris, His)

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OXT, or oxytocin, induces physiological effects by binding to neurophysin 1 and interacting with the oxytocin receptor (OXTR). This interaction results in smooth muscle contraction in the uterus and mammary gland, crucial for labor and breastfeeding, respectively, by modulating OXTR activity. OXT Protein, Human (P.pastoris, His) is the recombinant human-derived OXT protein, expressed by P. pastoris , with N-6*His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: P. pastoris
  • 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

OXT, or oxytocin, induces physiological effects by binding to neurophysin 1 and interacting with the oxytocin receptor (OXTR). This interaction results in smooth muscle contraction in the uterus and mammary gland, crucial for labor and breastfeeding, respectively, by modulating OXTR activity. OXT Protein, Human (P.pastoris, His) is the recombinant human-derived OXT protein, expressed by P. pastoris , with N-6*His labeled tag.

Background

OXT, or oxytocin, exerts its physiological effects through binding to neurophysin 1 and subsequently interacting with the oxytocin receptor (OXTR). This interaction leads to the contraction of smooth muscles in both the uterus and mammary gland. Oxytocin plays a crucial role in mediating uterine contractions during labor and facilitating milk ejection during breastfeeding by modulating the activity of the OXTR.

Technical Parameters

  • Species Human
  • Source P. pastoris
  • Tag N-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • 6*His
    • OXT (A32-R125)
      Accession # P01178
    • C-term
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    OXT; Oxytocin, Prepro- (Neurophysin I); Prev. OT; Neurophysin I; OT-NPI; Oxytocin-Neurophysin I, Preproprotein; Oxytocin-Neurophysin 1; Oxytocin; OXT-NPI; Oxytocin/Neurophysin I Prepropeptide; Oxytocin, Prepropeptide

  • AA Sequence

    AAPDLDVRKCLPCGPGGKGRCFGPNICCAEELGCFVGTAEALRCQEENYLPSPCQSGQKACGSGGRCAVLGLCCSPDGCHADPACDAEATFSQR

  • Predicted Molecular Mass

    11.6 kDa

  • Molecular Weight

    Approximately 16 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

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

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of PBS, 6% Trehalose, pH 7.4 or 20 mM Tris-HC1, 0.5 M NaCl, 6% Trehalose, pH 8.0.
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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