ABM Reagents

<h2>What Is Reverse Transcriptase?</h2>
&nbsp;
Reverse transcriptase is an RNA-dependent DNA polymerase that synthesizes a complementary DNA (cDNA) strand using an RNA template, providing the essential first step for RT-PCR, RT-qPCR, cDNA library construction, and gene expression analysis. Reverse transcriptases differ in thermostability, processivity, RNase H activity, and compatibility with challenging RNA templates. Selecting the appropriate enzyme depends on your RNA quality, transcript length, and downstream application.
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<h2>What you will find:</h2>
&nbsp;
<ul>
<li>Reverse transcriptase-based systems designed to support cDNA synthesis across a range of RNA templates, including workflows involving structured or challenging RNA.</li>
<li>One-step RT-PCR and RT-qPCR kits featuring enzyme systems designed to reduce non-specific amplification through optimized reaction setup and enzyme activation strategies.</li>
<li>High-efficiency reverse transcription and RT-PCR chemistries suitable for low-abundance RNA inputs and sensitive gene expression analysis.</li>
<li>cDNA synthesis and RT-PCR systems supporting a range of transcript lengths depending on enzyme selection and reaction conditions.</li>
<li>Thermostable and high-performance reverse transcription systems designed to improve cDNA yield and workflow reliability across RNA applications.</li>
</ul>
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<h2>How to Choose a Reverse Transcriptase</h2>
&nbsp;
Enzyme Selection
Reverse transcriptases differ in thermostability, RNase H activity, processivity, and compatibility with different RNA templates. Select an enzyme that matches your RNA quality, transcript length, and downstream application requirements.
RNase H Activity
Reverse transcriptases with reduced RNase H activity minimize RNA template degradation during cDNA synthesis, helping improve the yield of longer cDNA products for applications such as full-length transcript analysis and cDNA library preparation.
Thermostability
Thermostable reverse transcriptases can operate at higher reaction temperatures, helping reduce RNA secondary structure and improving cDNA synthesis from GC-rich or highly structured RNA templates.
Template Length and Application
Choose an enzyme validated for your intended transcript length and downstream workflow, whether performing routine RT-PCR, quantitative RT-qPCR, full-length cDNA synthesis, or library preparation.
Workflow Compatibility
Consider whether a stand-alone reverse transcriptase or an integrated one-step RT-PCR system best fits your workflow, throughput requirements, and downstream amplification strategy.
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<h2>Specifications Context</h2>
&nbsp;
Reverse transcriptase enzymes catalyze the synthesis of complementary DNA (cDNA) from RNA templates, enabling downstream PCR- and qPCR-based analysis of gene expression. Modern reverse transcriptases are available with varying levels of thermostability, processivity, and RNase H activity to support applications ranging from routine first-strand cDNA synthesis to amplification of structured or low-abundance RNA targets. Most enzymes are supplied for storage at &minus;20&nbsp;&deg;C, and RNase-free handling practices are recommended throughout RNA workflows to preserve sample integrity and maximize cDNA yield.
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<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP today and get research-grade reverse transcription enzymes for your lab.

Reverse Transcriptase

DataSheet

MSDS

PCR Product Guide

OneScript Plus Reverse Transcriptase

G237 OneScript&reg; Plus Reverse Transcriptase by Applied Biological Materials is a thermostable (50&ndash;55&deg;C), RNase H-deficient M-MLV RT for cDNA synthesis up to 15 kb in 10&ndash;15 minutes, formulated with RNaseOFF inhibitor. Supplied as 100 rxn (100 µl enzyme + 400 µl 5X RT Buffer). ISO 13485:2016 MDSAP certified; store at &minus;20&deg;C.

Unit Quantity

Application

Storage Condition

Shipping Condition

<h2>What are prestained protein ladders?</h2>
&nbsp;
Prestained protein ladders are protein molecular weight standards in which each protein band carries a covalent colored dye, typically coupling most bands in blue with two specifically colored bands, often green around 25 kDa and red around 75 kDa, that serve as easily visible reference anchors for quick orientation. Because the dye is visible without staining, the ladder is used to monitor protein migration in real time during SDS-PAGE and, critically, to verify that protein bands have transferred from the gel to the PVDF, nitrocellulose, or nylon membrane before antibody incubation in western blotting.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">PureView&trade; Prestained Protein Ladder for clear visualization of&nbsp; bands in SDS-PAGE</li>
<li dir="ltr" role="presentation">SmartCheck&trade; Tri-color Extended Range Plus Protein Marker for broad coverage of protein size&nbsp;</li>
<li dir="ltr" role="presentation">Opti-Protein Marker for accurate molecular weight estimation of proteins</li>
<li dir="ltr" role="presentation">Opti-Protein XL Marker for wider range analysis of proteins&nbsp;</li>
<li dir="ltr" role="presentation">Opti-Protein Ultra Marker for efficient protein separation workflows</li>
</ul>
&nbsp;
<h2>How to use prestained protein ladders</h2>
&nbsp;
Load prestained ladders directly from the tube without preparation
Most modern prestained protein ladders are supplied in gel loading buffer and are ready to load directly without heating, dilution, or addition of reducing agent, since modifying the formulation can cause dye dissociation or protein aggregation. Following the manufacturer's specific note about preparation avoids introducing variability.
Confirm the ladder's kDa range brackets your target protein's expected molecular weight
Match your target protein's expected size to the ladder's coverage: a mid-range ladder (10&ndash;180 kDa) suits most antibody targets in typical western blot experiments, while a broad-range (10&ndash;245 kDa) or extra-broad (3.5&ndash;260 kDa) ladder is needed when the target protein is very large.
Use the colored reference bands for quick gel and blot orientation
Colored reference bands at fixed kDa positions, typically green at 25 kDa and red at 75 kDa, allow you to orient the ladder pattern on the gel or membrane at a glance without counting all bands from the well, making it fast to identify the bands bracketing your target protein.
Check the manufacturer's MW table calibrated for your specific SDS-PAGE buffer system
Pre-stained ladder proteins have apparent molecular weights that differ depending on the SDS-PAGE buffer system used, such as Tris-Glycine versus Bis-Tris MOPS or MES, because the buffer's pH and composition affect SDS binding and protein charge. Using the manufacturer's annotated molecular weight values calibrated for your specific buffer gives more accurate sizing than a generic table.
Verify western blot transfer by confirming the prestained bands are visible on the membrane
After transfer, all or most prestained ladder bands should be visible on the blot membrane; missing or faint bands in a particular region indicate incomplete transfer in that molecular weight zone, guiding troubleshooting before antibody incubation and detection.
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<h2>Specifications context</h2>
&nbsp;
Prestained protein ladders are loaded at approximately 3&ndash;5 &micro;l per lane for gel visualization during SDS-PAGE, or at 1.5&ndash;2.5 &micro;l per lane for western blot transfer, since less ladder per lane is needed for adequate band visibility on the membrane than for gel visualization. As of 2026, ready-to-load prestained protein ladder formats supplied pre-formulated in SDS-PAGE loading buffer that require no heating, dilution, or reducing agent remain the dominant format for routine SDS-PAGE and western blotting, since preparation-free direct loading eliminates one class of user handling errors.
<a href="https://mbpinc.net/contact-us">Contact the helpful team at Molecular Biology Products Inc. (MBP)</a> and find the best prestained protein ladders for your next experiment.

Prestained Protein Ladders

Protein Markers

Opti-Protein Marker

Opti-Protein Marker G252 (ABM) — pre-stained protein molecular weight standard for SDS-PAGE and Western blot. Ready to load (5–10 µl/lane). Visible during electrophoresis for real-time migration monitoring and transfer verification. Store at −20 °C.

Shipping condition

Opti-Protein Ultra Marker

Opti-Protein Ultra Marker (G623) by Applied Biological Materials is a ready-to-use pre-stained protein ladder (10 bands, 6.5–270 kDa, 500 µl/100 loads) with three color-coded reference bands (orange at 270 &amp; 30 kDa, green at 52 kDa) for SDS-PAGE sizing and Western blot transfer monitoring. Load 5 µl. Store at 4°C (3 months) or –20°C (24 months). Updated version of G252.

Opti-Protein XL Marker

Opti-Protein XL Marker G266 (ABM) — pre-stained high-molecular-weight protein ladder for SDS-PAGE and Western blot. Ready to load (5–10 µl/lane). Visible during electrophoresis for real-time migration monitoring of large proteins. Store at −20 °C.

<h2 dir="ltr">What Are Specialized Cloning Vectors &amp; Viral Tools?</h2>
 Standard lentiviral and retroviral expression vectors meet the needs of most overexpression and knockdown workflows, but many cell biology and translational research questions demand purpose-engineered constructs with specialised functions &mdash; subcellular localisation, multi-gene co-expression, or conditional activation. Select the format best suited to your experimental requirements.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/reagents/dna/cloning-services-products/specialized-cloning-vectors/-virus/organelle-labeling-viruses">Organelle Labeling Viruses: </a>for live-cell visualization and functional pathway analysis of cellular structures in mammalian systems
</li>
<li dir="ltr" aria-level="1">
Targeted fluorescent labeling of specific cellular structures using viral delivery.
</li>
<li dir="ltr" aria-level="1">
Stable expression of organelle-specific markers for long-term live-cell imaging.
</li>
<li dir="ltr" aria-level="1">
Compatible with fluorescence microscopy for dynamic cellular imaging applications.
</li>
<li data-section-id="8k7pm2" data-start="506" data-end="603" data-is-last-node="">Suitable for studying organelle organization, transport, and cellular function in living cells.</li>
</ul>
<h2 dir="ltr"> How to Choose Specialized Cloning Vectors</h2>
 Subcellular Targeting Needs Organelle-targeted fluorescent labeling lentiviral particles deliver fluorescent protein constructs targeting mitochondria, endoplasmic reticulum, nucleus, Golgi, lysosome, peroxisome, plasma membrane, autophagosome, and cytoskeleton &mdash; providing a stable alternative to chemical dyes for live-cell imaging. Multi-Gene Co-Expression Bicistronic vectors using IRES or 2A self-cleaving peptide sequences enable co-expression of two genes (e.g., a gene of interest and a fluorescent marker) from a single transcript or vector. Conditional Expression Requirements Conditional DIO/FLEX vectors restrict transgene expression to Cre-expressing cells, essential for circuit-specific neuroscience research and in vivo conditional gene expression studies. Temporal Control Needs Inducible constructs (Tet-On/Tet-Off systems) provide doxycycline-regulated transgene activation for experiments requiring temporal control over expression timing. Delivery Format Most specialised constructs are available as lentiviral particles for stable, long-term expression in both dividing and non-dividing cell types, including primary cells and in vivo models. 
<h2 dir="ltr"> Specifications Context</h2>
&nbsp;
Traditional subcellular organelle imaging relies on chemical dyes (e.g., MitoTracker, LysoTracker, ER-Tracker) or antibody-based immunofluorescence in fixed cells; however, chemical dyes are transient and may exhibit cytotoxicity at working concentrations, while antibody-based methods are limited to endpoint imaging. Viral organelle-targeted fluorescent expression systems enable stable, genetically encoded labeling for long-term live-cell imaging and dynamic subcellular tracking. These constructs are supplied in plasmid DNA and pre-packaged viral formats and support applications including organelle dynamics, trafficking studies, and multicolor imaging workflows. Specialized cloning vectors and viral tools are sourced from established manufacturers, including Applied Biological Materials (ABM), and product availability reflects MBP&rsquo;s catalogue as of mid-2026.
&nbsp;
<a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Contact the MBP team </a>today and get specialized cloning vectors for your lab.

Specialized Cloning Vectors/ Viruses

Specialized Cloning Vectors/ Virus

p3XFlag-CMV-10-CALCOCO2

AX0010008 p3XFlag-CMV-10-CALCOCO2 by Applied Biological Materials is a CMV-driven mammalian expression plasmid encoding 3&times;FLAG-tagged CALCOCO2 (NDP52) for overexpression and FLAG-based co-immunoprecipitation studies of this selective autophagy receptor in xenophagy, mitophagy, and aggrephagy. Store at &minus;20&deg;C or below.

Vector

p3XFlag-CMV-10-C-CALCOCO2

AX0010009 p3XFlag-CMV-10-C-CALCOCO2 by Applied Biological Materials is a CMV-driven mammalian expression plasmid encoding the 3&times;FLAG-tagged C-terminal domain of CALCOCO2 (NDP52), containing the LIR (LC3-interacting) motif and UBZ (ubiquitin-binding) domain for autophagy receptor domain studies and C-terminal co-IP. Part of a three-construct set with AX0010008 (full-length) and AX0010010 (N-terminal). Store at &minus;20&deg;C or below.

p3XFlag-CMV-10-N-CALCOCO2

AX0010010 p3XFlag-CMV-10-N-CALCOCO2 by Applied Biological Materials is a CMV-driven mammalian expression plasmid encoding the 3&times;FLAG-tagged N-terminal domain of CALCOCO2 (NDP52) for domain mapping, dominant-negative, and FLAG co-IP studies. Part of a three-construct set with AX0010008 (full-length) and AX0010009 (C-terminal domain). Store at &minus;20&deg;C or below.

<h2 dir="ltr">What Are AAV Control &amp; Reporter Constructs?</h2>
 Establishing reliable experimental controls is critical in AAV research because transduction efficiency varies substantially by serotype, cell type, multiplicity of infection (MOI), and batch-to-batch variation in viral preparation quality. Matched AAV control and reporter constructs provide the reference point for interpreting experimental results.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Promoter-Specific Blank Vectors used for baseline control, utilize neuron-specific hSyn promoters and high-purity plasmids&nbsp;
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Serotype-Matched Blank Viruses for precise tissue-targeting validation. Available pre-packaged in serotypes 1 through 11
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Bioluminescent Reporter Systems for sensitive measurement of viral delivery.&nbsp; And gene expression featuring luciferase and SV40-luc markers
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Fluorescent Control Constructs carry circ-GFP, GFP, and CBh-gcGFP, for real-time transduction tracking.
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Circular RNA Control Plasmids for advanced non-coding RNA research.&nbsp;
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Cloning-Ready Expression Backbones for selected gene insertion and viral packaging workflows using ampicillin-resistant blank vectors
</li>
</ul>
<h2 dir="ltr"> How to Choose AAV Control &amp; Reporter Constructs </h2>
 Serotype and Backbone Matching The control construct should use the same AAV serotype, ITR configuration, and promoter as the experimental construct, ensuring transduction efficiency differences reflect the transgene rather than vector or serotype variation. Fluorescent Reporter Choice GFP and mCherry reporters allow confirmation of transduction by fluorescence microscopy or flow cytometry, with mCherry offering a red-channel option for multiplexed experiments. Luciferase and Dual-Reporter Options Firefly luciferase provides quantitative bioluminescent transduction confirmation; dual reporter systems (e.g., fluorescent + luciferase) allow both visual and quantitative readouts from the same construct. Empty Vector Baseline An empty AAV vector &mdash; same ITRs, serotype, and promoter, no transgene &mdash; establishes the baseline effect of AAV capsid delivery and innate immune activation, independent of the gene of interest. Batch-to-Batch Variation Controls Because AAV preparation quality can vary between batches, including a transduction-efficiency control (e.g., GFP reporter) alongside each new batch of experimental AAV helps confirm comparable functional titer. 
<h2 dir="ltr"> Specifications Context</h2>
 AAV transduction can activate innate immune sensing pathways and, at high vector doses, induce cellular stress responses independently of the transgene. A matched empty vector or reporter control sharing the same serotype and promoter as the experimental construct helps distinguish vector-related effects from genuine transgene-specific phenotypes. Because AAV infectivity can vary between preparations, reporter-based transduction assessments are commonly used to verify functional performance before experimental studies. For in vivo applications, pilot reporter studies can help confirm tissue targeting and delivery efficiency before larger cohorts are committed. Product availability reflects MBP's catalogue as of mid-2026. 
&nbsp;
<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP today to get high-quality control/reporter vectors for your lab.

Control/Reporter

Lentiviral Vector Amplification Protocol

AAV Infection Guideline

AAV Packaging Protocol

Selection-Drug Killing Curve

Lentivector Packaging Protocol

Lentivirus Infection Protocol

pAAV-CMV-circ-Control

pAAV-CMV-circ-Control (G2002) by Applied Biological Materials is a 1.0 µg insert-empty AAV plasmid with CMV promoter, designed as a negative control for AAV-mediated circRNA expression experiments. Store at –20°C or below.

System

Note

Caution

pAAV-mir-GFP-hGH-amp-Blank Control Vector

pAAV-mir-GFP-hGH-amp-Blank Control Vector (Am00100a) by Applied Biological Materials is a 1.0 µg insert-empty AAV miRNA backbone plasmid with GFP reporter, hGH polyA signal, and Amp selection, for use as a matched negative control in AAV-based miRNA expression experiments. Retains full vector architecture without miRNA insert. Store at –20°C or below.

Description

Vector Map

<h2 dir="ltr">What Are AAV miRNA Negative Controls?</h2>
 MicroRNA (miRNA) research requires matched controls that enter the same delivery pathway as experimental constructs. AAV-delivered miRNA controls are particularly important for experiments in primary cells and in vivo models, where conventional transfection-based controls would not reflect the same delivery-related effects. The right miRNA control ensures accurate interpretation of miRNA-mediated effects. Choose a control matched to your expression and analysis workflow.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Serotype-Specific AAV miRNA Controls as blank control viruses used for precise tissue tropism matching.
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
GFP-Tagged miRNA Control Viruses use fluorescent protein markers for successful transduction verification.
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
pAAV-mir-GFP-hGH-amp Plasmids used for reliable cloning and feature ampicillin resistance and hGH polyadenylation&nbsp;
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
miRNA-OFF Blank Control Vectors used to validate miRNA inhibition specificity&nbsp;
</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
Ready-to-Use Control Virions used in comparative gene silencing for immediate use.
</li>
</ul>
<h2 dir="ltr"> How to Choose an AAV miRNA Negative Control</h2>
 Delivery Pathway Matching When miRNA is delivered via AAV, the control must also be AAV-delivered &mdash; to account for capsid-mediated innate immune activation and viral DNA sensing effects that alter cellular transcription independently of the miRNA sequence itself. Mimic vs. Inhibitor Format Non-targeting miRNA mimic controls (gain-of-function studies) and non-targeting miRNA inhibitor controls (loss-of-function studies) require different control designs matching the experimental approach. Serotype and Promoter Matching The AAV miRNA control should share the same serotype and promoter as the experimental AAV-delivered miRNA construct to ensure comparable tissue tropism and expression timing. In Vivo vs. In Vitro Application AAV-delivered miRNA controls are particularly relevant for in vivo gain-of-function or loss-of-function studies, where AAV's broad tissue tropism and long-term expression make it the delivery method of choice. Validation of Off-Target Effects As with other RNAi-pathway controls, non-targeting designs should be validated to have minimal homology to known miRNA targets in the relevant species. 
<h2 dir="ltr"> Specifications Context</h2>
&nbsp;
When miRNA is delivered via AAV, the control should also be AAV-delivered to account for vector-related effects such as capsid interactions and cellular responses to the viral genome. This distinguishes AAV-based controls from transfection-derived controls, which do not capture AAV-specific delivery effects. Matching the serotype and promoter configuration of the control vector to the experimental construct helps ensure that observed phenotypes are attributable to the miRNA rather than differences in vector design. Researchers planning in vivo studies should obtain control and experimental AAV preparations with comparable production and quality metrics where possible, as differences in titer or purity can introduce unwanted variability. Including both an AAV-delivered control and, where appropriate, an untreated cohort can further aid interpretation of miRNA-specific effects. Product availability reflects MBP's catalogue as of mid-2026. 
&nbsp;
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP Inc. to discuss the most suitable AAV miRNA control constructs for your study and request a quote tailored to your research requirements.

miRNA Control

pAAV-mir-GFP-hGH-amp-Blank Control Virus (Serotype 2)

pAAV-mir-GFP-hGH-amp-Blank Control Virus (Serotype 2) (Am00102a) by Applied Biological Materials is a 1.0 µg pAAV-mir blank plasmid with GFP reporter, hGH polyA, and Amp selection — no miRNA insert — for plasmid-level transfection controls or custom AAV2 packaging of the miRNA blank backbone. Store at –20°C or below.

Titer

pAAV-mir-OFF-hGH-amp-Blank Control Vector

pAAV-mir-OFF-hGH-amp-Blank Control Vector (Am00700a) by Applied Biological Materials is a 1.0 µg insert-empty AAV miRNA inhibitor (mir-OFF) backbone plasmid with hGH polyA signal and Amp selection — no miRNA inhibitor insert — for use as a matched negative control in AAV-based miRNA inhibition (antagomir/sponge) experiments. Store at –20°C or below.

Serotype

<h2 dir="ltr">What Are Retroviral Cloning Vectors?</h2>
 The transfer plasmid defines the cargo, promoter, and selection strategy of a retroviral vector system. Selecting the right cloning vector backbone determines transgene expression level, integration stability across cell types, and compatibility with available packaging cell lines. Efficient vector development starts with the right cloning backbone. Choose a retroviral vector that supports your research needs.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="po69uo" data-start="658" data-end="756">Retro-Combo Mix vectors for streamlined retroviral construct assembly and expression workflows</li>
<li data-section-id="5ibmf5" data-start="757" data-end="857">pRetro-E1 and pRetro-E2 plasmid backbones for retroviral vector construction and gene expression</li>
<li data-section-id="1y6pp3s" data-start="858" data-end="961">pRetro-E1-HA and pRetro-E2-His tagged vectors for protein detection and downstream characterization</li>
<li data-section-id="gs2x4g" data-start="962" data-end="1091">Retro-Easy1, Retro-Easy2, Retro-Easy-HA, and Retro-Easy-His systems for flexible construct design and expression optimization</li>
<li data-section-id="fzbhcl" data-start="1092" data-end="1178">Pack-Easy Cells for efficient retroviral packaging and vector production workflows</li>
</ul>
<h2 dir="ltr"> How to Choose a Retroviral Cloning Vector</h2>
&nbsp;
Backbone and Expression Architecture
Retroviral cloning vectors in the Retro-Easy and pRetro-E systems utilize CMV-driven expression cassettes for transgene expression following genomic integration. Backbone configuration influences expression consistency, cloning flexibility, and compatibility with downstream packaging workflows.
Promoter Configuration
CMV-based internal promoters provide strong, constitutive expression across a wide range of mammalian cell types. Expression levels may vary depending on the integration site and chromatin environment following retroviral integration.
Packaging Workflow Compatibility
Retroviral cloning vectors are designed for use in standard replication-incompetent packaging systems, where transfer plasmids are supplied alongside packaging components to generate infectious retroviral particles for transduction of dividing cells.
Selection and Tag Options
Vector variants include antibiotic selection markers and epitope-tagged formats (HA, His) to support downstream detection, purification, or functional validation of expressed proteins.
Insert Size Considerations
Gamma-retroviral transfer vectors generally support moderate-sized inserts suitable for most cDNA and reporter constructs, with efficiency influenced by insert length and sequence composition. 
&nbsp;
<h2 dir="ltr">Specifications Context</h2>
&nbsp;
Retro-Easy and pRetro-E vector systems are based on CMV-driven retroviral transfer backbones designed for stable gene delivery in actively dividing mammalian cells. Following packaging, replication-incompetent retroviral particles mediate genomic integration of the transgene, enabling stable expression across cell divisions. Available formats include untagged, HA-tagged, and His-tagged expression vectors, as well as modular backbone variants for flexible construct design. Pack-Easy Cells provide a dedicated packaging platform for efficient retroviral particle production and consistent vector output. These systems support applications in gene expression analysis, functional studies, and stable cell line generation.
&nbsp;
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP and find the right Retrovirus Cloning Vectors for your lab.

Cloning Vectors

Pack-Easy Cells

E-511 by Applied Biological Materials is a cryopreserved vial of Pack-Easy retroviral packaging cells designed for use with abm's Retro-Easy™ systems (E-512 / E-513) for high-titer retroviral production. Compatible with pRetro-E1 (E-514) and pRetroG-CMV vectors. Includes access to Drug Selection Killing Curve protocol for post-transduction stable cell line selection.