accessibility menu, dialog, popup

UserName
New Feature

You can now browse the site in English or Français.

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

category

brands

  • (692)
  • (1)

special programs

  • (1)

Conjugate

  • (1)
  • (1)
  • (48)
  • (642)

For Use With (Application)

  • (3)
  • (388)
  • (16)
  • (1)
  • (2)

Recombinant

  • (359)

Species

  • (9)
  • (9)
  • (158)
  • (20)
  • (16)

Form

  • (2)
1 – 15 of 362 results
1

R&D Systems™ Recombinant Human FGF basic/FGF2/bFGF (146 aa) Protein

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

2

R&D Systems™ Recombinant Human FGF basic/FGF2/bFGF (146 aa) Protein

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

4

R&D Systems™ Recombinant Human FGF basic/FGF2/bFGF (145 aa) Protein

Measured in a cell proliferation assay using NR6R-3T3 mouse fibroblast cells.

Purity or Quality Grade >95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate Unconjugated
Molecular Weight (g/mol) M.W. (theoretical): 16 kDa
Gene Symbol FGF2
Endotoxin Concentration <0.01 EU / 1 μg of the protein by the LAL method.
Storage Requirements Use 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
Protein FGF basic/FGF2/bFGF
Source E. coli-derived human FGF basic/FGF2/bFGF protein Ala144-Ser288
Accession Number NP_001997
Gene ID (Entrez) 2247
Formulation Lyophilized from a 0.2 μm filtered solution in Tris-HCl and NaCl.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
Species Human
5

R&D Systems™ Recombinant Human IL-4 Protein

Carrier Free Recombinant Protein

Purity or Quality Grade >97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Molecular Weight (g/mol) M.W. (Observed): 13 kDa, under reducing conditions., M.W. (Theoretical): 15.1 kDa
Endotoxin Concentration <0.10 EU per 1μg of the protein by the LAL method.
Storage Requirements Use 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.
For Use With (Application) Bioactivity
Protein IL-4
Source E. coli-derived human IL-4 protein His25-Ser153, with an N-terminal Met
Accession Number P05112.1
Gene Alias B cell growth factor 1, BCDF, B-cell stimulatory factor 1, BCGF1, BCGF-1, binetrakin, BSF1, BSF-1, IL4, IL-4B_cell stimulatory factor 1, IL4E12, interleukin 4, interleukin-4, Lymphocyte stimulatory factor 1, MGC79402, Pitrakinra
Gene ID (Entrez) 3565
Formulation Lyophilized from a 0.2μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute the 10μg size at 100μg/mL in PBS. Reconstitute all other sizes at 500μg/mL in PBS.
Species Human
6

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!

Purity or Quality Grade >97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate Unconjugated
Molecular Weight (g/mol) M.W. theroretical: 20.9 kDa
Gene Symbol IL6
Endotoxin Concentration <0.10 EU / 1 μg of the protein by the LAL method.
Storage Requirements Use 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
Protein IL-6
Source E. coli-derived human IL-6 protein Pro29-Met212
Name IL-6
Accession Number Q75MH2
Gene Alias B-cell differentiation factor, B-cell stimulatory factor 2, BSF2, BSF-2, CDF, CTL differentiation factor, HSF, hybridoma growth factor, IFNB2, IFN-beta-2, IL6, IL-6, Interferon beta-2, interleukin 6 (interferon, beta 2), interleukin BSF-2, interleukin-6, MGI-2A
Gene ID (Entrez) 3569
Formulation Lyophilized from a 0.2 μm filtered solution in PBS and NaCl.
Recombinant Recombinant
7

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!

8

R&D Systems™ Recombinant Human/Mouse/Rat Activin A Protein

CHO derived

Purity or Quality Grade >95%, by SDS-PAGE with silver staining.
Conjugate Unconjugated
Molecular Weight (g/mol) M.W. (Observed): 14 kDa, reducing conditions 24 kDa, non-reducing conditions; M.W. (theoretical): 13 kDa (monomer)
Gene Symbol INHBA
Endotoxin Concentration <0.01 EU / 1 μg of the protein by the LAL method.
Storage Requirements Use 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
Protein Activin A
Source Chinese Hamster Ovary cell line, CHO-derived Activin A protein Gly311-Ser426
Name Activin A
Accession Number P08476
Gene ID (Entrez) 3624
Reconstitution Reconstitute at 100-500 μg/mL in sterile 4 mM HCl.
Structural Form Disulfide-linked homodimer
Recombinant Recombinant
9

R&D Systems™ Recombinant Human TNF-alpha (HEK293-expressed) Protein

Measured in a cytotoxicity assay using L-929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D. ED50 for this effect is 20 to 100 pg/mL.

Buffer Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Accession Number P01375
Purity or Quality Grade >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Molecular Weight (g/mol) 17 kDa
Gene ID (Entrez) 7124
Endotoxin Level <0.10 EU per 1 μg of the protein by the LAL method.
Reconstitution Reconstitute at 500 μg/mL in PBS.
Storage Requirements Use 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.
For Use With (Application) Bioactivity
Species Human
Source Human embryonic kidney cell, HEK293-derived human TNF-alpha protein Val77-Leu233
Name APC1 protein, Cachectin, Cachetin, DIF, TNF, TNF, monocyte-derived, TNF-a, TNFA, TNFalpha, TNF-alphacachectin, TNFATNF, macrophage-derived, TNFG1F, TNFSF1A, TNFSF2, TNFSF2TNF superfamily, member 2, tumor necrosis factor, tumor necrosis factor (TNF superfamily, member 2), tumor necrosis factor alpha, Tumor necrosis factor ligand superfamily member 2, tumor necrosis factor-alpha
10

R&D Systems™ Recombinant Human IL-2 Protein

Contains the Cysteine to Serine substitution found in Proleukin™ (aldesleukin)

Accession Number P60568.1
Purity or Quality Grade >97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Gene Alias aldesleukin, IL2, IL-2, IL-2 lymphokine, interleukin 2, interleukin-2, involved in regulation of T-cell clonal expansion, Proleukin, T cell growth factor, T-cell growth factor, TCGF
Molecular Weight (g/mol) M.W.-observed: 13 kDa, under reducing conditions., M.W.-theroretical: 15.5 kDa
Gene ID (Entrez) 3558
Formulation Lyophilized from a 0.2 μm filtered solution in Sodium Acetate with Trehalose.
Reconstitution Reconstitute the 10 μg size at 100 μg/mL in sterile deionized water. Reconstitute all other sizes (at 500 μg/mL in sterile deionized water.)
Endotoxin Concentration <0.01 EU / 1 μg of the protein by the LAL method.
Storage Requirements Use 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
Protein IL-2
Source E. coli-derived human IL-2 protein Ala21-Thr153 (Cys145Ser), with and without an N-terminal Met
11

R&D Systems™ Recombinant Human IL-23 (CHO Expressed) Protein

Analyzed by SEC-MALS

Purity or Quality Grade >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Gene Alias IL23, IL-23, IL-23 p19/IL-12 p40, IL-23 A, IL-23-A, IL-23p19, IL-23p19/IL-12p40, IL23P19P19, interleukin 23 p19 subunit, interleukin 23, alpha subunit p19, interleukin-23 subunit alpha, Interleukin-23 subunit p19, JKA3 induced upon T-cell activation, MGC79388, SGRF, SGRFIL-23 subunit alpha
Molecular Weight (g/mol) MolecularWeight-observed: 59-68 kDa, 46-52 kDa & 28-33 kDa, under reducing conditions., MolecularWeight-theroretical: 55 kDa (IL-23 single chain), 37 kDa (p40) & 19 kDa (p19)
Gene ID (Entrez) 51561
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute 10 μg size at 100 μg/mL in PBS. Reconstitute all the other sizes (at 500 μg/mL in PBS.)
Endotoxin Concentration <0.10 EU / 1 μg of the protein by the LAL method.
Storage Requirements Use 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
Protein IL-23 A/IL-23 P19
Source Chinese Hamster Ovary cell line, CHO-derived human IL-23 protein Human IL-23 p40 (Ile23-Ser328) Accession # P29460.1 GSGSSRGGSGSGGSGGGGSKL Human IL-23 p19 (Arg20-Pro189) Accession # AAG37232.1 (C-terminus)
12

R&D Systems™ Recombinant Human M-CSF 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.
Conjugate Unconjugated
Molecular Weight (g/mol) 18.5 kDa (monomer)
Gene Symbol CSF1
Endotoxin Concentration <1.0 EU per 1 μg of the protein by the LAL method.
For Use With (Application) Bioactivity
Source <EM>E. coli</EM>-derived human M-CSF protein Glu33-Ser190, with an N-terminal Met
Accession Number NP_757350
Regulatory Status RUO
Gene ID (Entrez) 1435
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Reconstitution Reconstitute at 50-500 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
Cross Reactivity M-CSF
Species Human
13

R&D Systems™ Recombinant Human Noggin Fc Chimera Protein

A New and Improved Noggin is Now Available! The new protein has ∼2 fold better activity, higher purity, and no tag! Earn double rewards for reviews

Conjugate Unconjugated
Molecular Weight (g/mol) 49.6 kDa (monomer)
Gene ID (Entrez) 9241
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&DSystems™ Recombinant Human FGF basic Heat Stable Protein, CF

Recombinant Protein

Accession Number NP_001997.5
Conjugate Unconjugated
Gene Alias Basic fibroblast growth factor, basic fibroblast growth factor bFGF, bFGF, FGF2, FGF-2, FGFBprostatropin, fibroblast growth factor 2 (basic), HBGF-2, heparin-binding growth factor 2, Prostatropin
Molecular Weight (g/mol) M.W.-observed: 16-19 kDa, under reducing conditions., M.W.-theroretical: 17 kDa
Gene ID (Entrez) 2247
Formulation Lyophilized from a 0.2 μm filtered solution in HEPES and Sodium Sulfate with Trehalose.
Reconstitution Reconstitute 10 μg size at 100 μg/mL in sterile deionized water. Reconstitute all the other sizes at 500 μg/mL in sterile deionized water.
Endotoxin Concentration <0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements Use 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.
For Use With (Application) Bioactivity
Protein FGF basic/FGF2/bFGF
Source E. coli-derived human FGF basic/FGF2/bFGF protein Ala135-Ser288 (with modifications)