R&D Systems

R&D Systems
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Recombinant and Natural Bioactive Proteins

Recombinant and Natural Bioactive Proteins

  • Tested with relevant bioassays to demonstrate biological activity
  • Refolded properly
  • Confirrmed high purity
  • Consistent from lot-to-lot
  • Contain low endotoxin levels
  • Also available as Animal-Free and GMP-grade
Application Qualified Antibodies

Application Qualified Antibodies

  • Raised against mature, full-length, and biologically-active proteins
  • Manufactured in R&D Systems laboratories
  • Validated by R&D Systems scientists for up to ten applications
  • Conjugated to an extensive selection of fluorochromes and non-fluorescent labels
Quantikine™ ELISAs

Quantikine™ ELISAs

  • The most referenced ELISAs
  • Tested extensively for cross-reactivity
  • Provides accuracy, sensitivity and specificity
  • Consistent from lot-to-lot
  • Manufactured at R&D Systems for full-control over development and quality control
Luminex™ Performance and Screening Assays

Luminex™ Performance and Screening Assays

Performance Assay:

  • All analytes in a given panel are optimized and tested together to ensure maximum performance for the entire panel
  • Kits undergo similar validation testing and are correlated with the Quantikine ELISA

Screening Assay:

  • Up to 100 human and 40 mouse analytes can be simultaneously profiled for ultimate flexibility
  • The most cost-effective assay for profiling multiple markers
  • The menu of analytes is rapidly expanding
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1 – 15of48,807results
1

R&D Systems™ Mouse/Rat IGF-I/IGF-1 Quantikine ELISA Kit

Mouse/Rat IGF-I/IGF-1 Quantikine ELISA Kit from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

EDGE
2

R&D Systems™ DuoSet ELISA Ancillary Reagent Kit 2

Product TypeSolid Phase Sandwich ELISA
Storage RequirementsStore the unopened product at 2°C to 8°C. Do not use past expiration date.
For Use With (Application)ELISA
3

R&D Systems™ Polystyrene Microplates

high-binding, flat-bottom polystyrene microplates

Array8 x 12
No. of Wells96
FormatStandard
MaterialPolystyrene
For Use With (Application)ELISA
Well ShapeFlat Bottom (F-well)
4

R&D Systems™ Stop Solution 2N Sulfuric Acid

For stopping the action of HRP on the substrate, tetramethylbenzidine

5

R&D Systems™ Recombinant Human IL-6/IL-6R alpha Protein Chimera

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility.

6

R&D Systems™ Recombinant Human IFN-gamma Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Purity or Quality Grade97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
ConjugateUnconjugated
Molecular Weight (g/mol)16.9 kDa
Gene ID (Entrez)3458
Quantity100 μg
Storage RequirementsUse a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
SourceE. coli-derived human IFN-gamma protein Gln24-Gln166 with an N-terminal Met
RecombinantRecombinant
NameIFN-gamma
7

R&D Systems™ Human IFN-gamma Quantikine ELISA Kit

solid phase ELISA designed to measure human IFN-gamma levels in cell culture supernates, serum, and plasma.

TargetIFN-gamma
SpecificityNatural and Recombinant Human IFN-gamma
Target SpeciesHuman
Gene ID (Entrez)3458
Sample TypeCell Culture Supernatant,Plasma (EDTA),Heparin Plasma,Serum
SynonymIFG, IFI, IFNG, IFNgamma, IFN-gamma, Immune interferon, interferon gamma, interferon, gamma
Assay Sensitivity5.69 pg/mL
Storage RequirementsStore the unopened product at 2°C to 8°C. Do not use past expiration date.
Assay Range15.60 to 1000 pg/mL
For Use With (Application)ELISA
8

R&D Systems™ Recombinant Human SCF Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Purity or Quality Grade97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
ConjugateUnconjugated
Gene Aliasc-kit Ligand, DCUA, DFNA69, DKFZp686F2250, familial progressive hyperpigmentation 2, FPH2, FPHH, KIT ligand, Kitl, KITLG, KL-1, Mast cell growth factor, MGF, MGFSHEP7, SCFStem cell factor, SFc-Kit ligand, SHEP7, SLF, steel factor
Molecular Weight (g/mol)M.W. (theroretical): 19 kDa
Gene ID (Entrez)4254
Storage RequirementsUse a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
SourceE. coli-derived human SCF/c-kit Ligand protein Glu26-Ala189,with an N-terminal Met
RecombinantRecombinant
NameSCF/c-kit Ligand
9

R&D Systems™ Recombinant Human EGF Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Purity or Quality Grade>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
ConjugateUnconjugated
Molecular Weight (g/mol)M.W. (Observed): 6 kDa, reducing conditions; M.W. (theoretical): 6 kDa
Gene SymbolEGF
Endotoxin Concentration<0.10 EU / 1 μg of the protein by the LAL method.
Storage RequirementsUse a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution.
For Use With (Application)Bioactivity
ProteinEGF
SourceE. coli-derived human EGF protein Asn971-Arg1023, with an N-terminal Met
NameEGF
Accession NumberP01133
Gene ID (Entrez)1950
FormulationLyophilized from a 0.2 μm filtered solution in PBS.
ReconstitutionReconstitute at 500 μg/mL in sterile PBS.
RecombinantRecombinant
10

R&D Systems™ Quantikine ELISA Wash Buffer 1

Quantikine ELISA Wash Buffer 1 from the most referenced ELISA manufacturer. Highly validated for accurate quantitation and long-term reproducibility.

11

R&D Systems™ Recombinant Human IL-6 Protein

A New rh IL-6 is Available! The new protein has ∼2 fold better activity and is HEK293 expressed!

12

R&D Systems™ Reagent Diluent Concentrate 2

10X Concentrated 10% BSA Solution for DuoSets

13

R&D Systems™ Recombinant Human Wnt-3a Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Purity or Quality Grade75%, by SDS-PAGE with silver staining.
ConjugateUnconjugated
Molecular Weight (g/mol)37.4 kDa
Gene ID (Entrez)89780
SourceChinese Hamster Ovary cell line,CHO-derived human Wnt-3a protein Ser19-Lys352
RecombinantRecombinant
NameWnt-3a
14

R&D Systems™ Recombinant Human IL-6 Protein

A New rh IL-6 is Available! The new protein has ∼2 fold better activity and is HEK293 expressed!

15

R&D Systems™ Recombinant Human IL-2 Protein

Version with mutation found in aldesleukin Available!

Accession NumberP60568
Purity or Quality Grade>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
ConjugateUnconjugated
Molecular Weight (g/mol)13 kDa, under reducing conditions.
Gene ID (Entrez)3558
Gene SymbolIL2
Endotoxin Concentration<0.10 EU / 1 μg of the protein by the LAL method.
Storage RequirementsUse a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution.
For Use With (Application)Bioactivity
ProteinIL-2
SourceE. coli-derived human IL-2 protein Ala21-Thr153, with an N-terminal Met
RecombinantRecombinant
NameIL-2
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About R&D Systems

A leading supplier of cell biology reagents with over 25 years of experience servicing the research community, R&D Systems develops and manufactures more than 95% of their products. All materials are controlled to ensure that R&D Systems meets the standards vital to delivering the highest quality products.

Tocris

Tocris is a high-quality provider of biologically active, small molecules. They offer a unique collection of over 3,000 life science biological research products with strengths in neuroscience and cell signaling. The product range comprises small molecule and peptide agonists, antagonists and inhibitors, as well as controlled substances, toxins, caged compounds, fluorescent probes, screening libraries and ligand sets useful in many research areas.

Boston Biochem

Boston Biochem, Inc. is the leading global producer of ubiquitin-related research products. Boston Biochem specializes in several related product lines for ubiquitin and ubiquitin-like (UBL) proteins (e.g. Apg8, FAT10, ISG15, NEDD8, SUMO, UFM1) and associated enzymes, substrates, inhibitors and kits.