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AcLys-PABC-VC-Aur0101

Cat No.:V32850 Purity: ≥98%
AcLys-PABC-VC-Aur0101 is part of an antibody-conjugated active molecule (anti-CXCR4 ADC).
AcLys-PABC-VC-Aur0101
AcLys-PABC-VC-Aur0101 Chemical Structure CAS No.: 1438851-17-2
Product category: New2
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
Other Sizes
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Product Description
AcLys-PABC-VC-Aur0101 is part of an antibody-conjugated active molecule (anti-CXCR4 ADC). It is composed of Aur0101 (an auristatin microtubule inhibitor) and the degradable linker AcLys-PABC-VC.
AcLys-PABC-VC-Aur0101 is a drug-linker conjugate for antibody-drug conjugate (ADC) applications, specifically for anti-CXCR4 ADC. It comprises the auristatin microtubule inhibitor Aur0101 linked via the cleavable linker AcLys-PABC-VC. The conjugate has potent antitumor activity by delivering cytotoxic agents directly to cancer cells.
Biological Activity I Assay Protocols (From Reference)
Targets
AcLys-PABC-VC-Aur0101 targets CXCR4, a chemokine receptor overexpressed in many cancers. The compound is a drug-linker conjugate designed for anti-CXCR4 ADC applications. The auristatin payload (Aur0101) targets microtubules, inhibiting tubulin polymerization and causing cell cycle arrest and apoptosis.
ln Vitro
In vitro, AcLys-PABC-VC-Aur0101 demonstrates potent antitumor activity as a drug-linker conjugate for ADC applications. The auristatin microtubule inhibitor Aur0101 causes cell death in cancer cells. Detailed IC₅0 values against specific cancer cell lines are not extensively documented in the available literature.
ln Vivo
In vivo activity data for AcLys-PABC-VC-Aur0101 are not extensively documented. As an ADC drug-linker conjugate targeting CXCR4, the compound is expected to show antitumor efficacy in xenograft models expressing CXCR4. The targeted delivery approach aims to minimize damage to healthy tissues while increasing chemotherapy efficacy.
Enzyme Assay
The in vitro cytotoxicity assay for AcLys-PABC-VC-Aur0101 uses CXCR4-expressing cancer cell lines. Cells are cultured and treated with varying concentrations of the conjugate. Cell viability is measured using MTT, CellTiter-Glo, or other proliferation assays. IC₅0 values are calculated from dose-response curves. The potency of the auristatin payload is assessed by comparing to free Aur0101.
Cell Assay
For in vitro cell-based assays, cancer cell lines expressing CXCR4 are cultured and treated with AcLys-PABC-VC-Aur0101 at various concentrations. Cell viability is measured using standard proliferation assays. Microtubule disruption may be assessed by immunofluorescence staining of tubulin. Apoptosis is assessed by caspase activity or Annexin V staining. Experiments are typically performed in triplicate under standard culture conditions.
Animal Protocol
In vivo animal studies for AcLys-PABC-VC-Aur0101 would typically involve xenograft mouse models using CXCR4-expressing cancer cell lines. Tumor-bearing mice are administered the ADC conjugate intravenously at various doses. Tumor volume is measured periodically using calipers, and tumor growth inhibition is assessed relative to vehicle or control ADC-treated groups. At study termination, tumors are harvested for histopathological and molecular analysis.
ADME/Pharmacokinetics
Pharmacokinetic properties of AcLys-PABC-VC-Aur0101 are not extensively documented. The compound has molecular formula C₆₆H103N13O13S. It is a drug-linker conjugate designed for ADC applications. The cleavable linker AcLys-PABC-VC allows for payload release in target cells. Further detailed PK parameters would require dedicated studies.
Toxicity/Toxicokinetics
Toxicological data for AcLys-PABC-VC-Aur0101 are not well characterized. As a research compound, standard safety precautions should be observed. The compound is for laboratory use only and not intended for human therapeutic applications. Auristatin-based ADCs as a class may have potential toxicities including peripheral neuropathy and myelosuppression. Comprehensive toxicity profiling would be required for therapeutic development.
References

[1]. Optimal design, anti-tumour efficacy and tolerability of anti-CXCR4 antibody drug conjugates. Sci Rep. 2019 Feb 21;9(1):2443.

Additional Infomation
AcLys-PABC-VC-Aur0101 (CAS# 1438851-17-2) is a drug-linker conjugate for anti-CXCR4 ADC applications. It comprises the auristatin microtubule inhibitor Aur0101 linked via the cleavable linker AcLys-PABC-VC. The conjugate has potent antitumor activity and is used in ADC research.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C66H103N13O13S
Molecular Weight
1318.66833519936
Exact Mass
1317.751
CAS #
1438851-17-2
PubChem CID
89582479
Appearance
White to off-white solid powder
LogP
4.5
Hydrogen Bond Donor Count
10
Hydrogen Bond Acceptor Count
16
Rotatable Bond Count
39
Heavy Atom Count
93
Complexity
2410
Defined Atom Stereocenter Count
11
SMILES
S1C=CN=C1[C@H](CC1C=CC=CC=1)NC([C@H](C)[C@H]([C@@H]1CCCN1C(C[C@H]([C@H]([C@@H](C)CC)N(C)C([C@H](C(C)C)NC(C(C)(C)NC(=O)OCC1C=CC(=CC=1)NC([C@H](CCCNC(N)=O)NC([C@H](C(C)C)NC([C@H](CCCCN)NC(C)=O)=O)=O)=O)=O)=O)OC)=O)OC)=O
InChi Key
CSFABFFIYKWJFE-SDBMIVFWSA-N
InChi Code
InChI=1S/C66H103N13O13S/c1-14-41(6)55(51(90-12)37-52(81)79-34-21-26-50(79)56(91-13)42(7)57(82)74-49(61-69-33-35-93-61)36-44-22-16-15-17-23-44)78(11)62(86)54(40(4)5)76-63(87)66(9,10)77-65(89)92-38-45-27-29-46(30-28-45)72-58(83)48(25-20-32-70-64(68)88)73-60(85)53(39(2)3)75-59(84)47(71-43(8)80)24-18-19-31-67/h15-17,22-23,27-30,33,35,39-42,47-51,53-56H,14,18-21,24-26,31-32,34,36-38,67H2,1-13H3,(H,71,80)(H,72,83)(H,73,85)(H,74,82)(H,75,84)(H,76,87)(H,77,89)(H3,68,70,88)/t41-,42+,47-,48-,49-,50-,51+,53-,54-,55-,56+/m0/s1
Chemical Name
[4-[[(2S)-2-[[(2S)-2-[[(2S)-2-acetamido-6-aminohexanoyl]amino]-3-methylbutanoyl]amino]-5-(carbamoylamino)pentanoyl]amino]phenyl]methyl N-[1-[[(2S)-1-[[(3R,4S,5S)-3-methoxy-1-[(2S)-2-[(1R,2R)-1-methoxy-2-methyl-3-oxo-3-[[(1S)-2-phenyl-1-(1,3-thiazol-2-yl)ethyl]amino]propyl]pyrrolidin-1-yl]-5-methyl-1-oxoheptan-4-yl]-methylamino]-3-methyl-1-oxobutan-2-yl]amino]-2-methyl-1-oxopropan-2-yl]carbamate
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: (1). This product requires protection from light (avoid light exposure) during transportation and storage.  (2). Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~100 mg/mL (~75.83 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (1.90 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (1.90 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (1.90 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 0.7583 mL 3.7917 mL 7.5834 mL
5 mM 0.1517 mL 0.7583 mL 1.5167 mL
10 mM 0.0758 mL 0.3792 mL 0.7583 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

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What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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