Recombinant Proteins

Modified or manipulated proteins encoded by recombinant DNA and suitable for a variety of purposes including the modification of gene sequences, mass protein production, and the manufacture of commercial products.

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1 – 15 of 9,910 results

R&D Systems™ Recombinant Human Betacellulin Protein, Animal-Free

Pricing & Availability
Specifications

Accession Number	P35070.1
Purity or Quality Grade	>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate	Unconjugated
Gene Alias	betacellulin, BTC, probetacellulin
Gene ID (Entrez)	685
Formulation	Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution	Reconstitute at 100-500 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.
Protein	Betacellulin/BTC
Source	E. coli-derived human Betacellulin/BTC protein Asp32-Gln118, with an N-terminal Met Produced using non-animal reagents in an animal-free laboratory.

R&D Systems™ Recombinant Human Noggin, Animal-Free Protein

Pricing & Availability
Specifications

Accession Number	Q13253.1
Conjugate	Unconjugated
Gene Alias	noggin, SYM1, symphalangism 1 (proximal), synostoses (multiple) syndrome 1, SYNS1
Molecular Weight (g/mol)	M.W. (Observed): Oligomeric human Noggin protein only, M.W. (Theroretical): 46 kDa (dimer)
Gene ID (Entrez)	9241
Formulation	Lyophilized from acetonitrile/TFA
Reconstitution	Resuspend in 10 mM HCl at >100 μg/mL, prepare single use aliquots, add carrier protein if desired.
Endotoxin Concentration	<0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements	Store lyophilized protein between -20°C to -80°C until the date of expiry. Avoid freeze-thaw cycles.
For Use With (Application)	Bioactivity
Protein	Noggin
Source	E. coli-derived human Noggin protein

R&D Systems™ Recombinant Human LIF, Animal-Free Protein

Pricing & Availability
Specifications

Accession Number	P15018.1
Conjugate	Unconjugated
Gene Alias	CDF, D factor, DIA, differentiation inhibitory activity, differentiation stimulating factor, Differentiation-stimulating factor, Emfilermin, HILDAcholinergic differentiation factor, leukemia inhibitory factor, leukemia inhibitory factor (cholinergic differentiation factor), Melanoma-derived LPL inhibitor, MLPLI
Molecular Weight (g/mol)	M.W. (Observed): Monomeric human LIF protein only, M.W. (Theroretical): 17 kDa
Gene ID (Entrez)	3976
Formulation	Lyophilized from acetonitrile/TFA
Reconstitution	Resuspend in 10 mM HCl at >100 μg/mL, prepare single use aliquots, add carrier protein if desired.
Endotoxin Concentration	<0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements	Store lyophilized protein between -20°C to -80°C until the date of expiry. Avoid freeze-thaw cycles.
For Use With (Application)	Bioactivity
Protein	LIF
Source	E. coli-derived human LIF protein

R&D Systems™ Recombinant Human GDNF, Animal Free Protein

Pricing & Availability
Specifications

Accession Number	P39905.1
Conjugate	Unconjugated
Gene Alias	Astrocyte-derived trophic factor, ATF, ATF1, ATF2, glial cell derived neurotrophic factor, glial cell line derived neurotrophic factor, glial cell line-derived neurotrophic factor, HFB1-GDNF, hGDNF, HSCR3
Molecular Weight (g/mol)	M.W. (Observed): Dimeric GDNF protein only, M.W. (Theroretical): 30.4 kDa (dimer), 15 kDa (monomer)
Gene ID (Entrez)	2668
Formulation	Lyophilized from acetonitrile/TFA
Reconstitution	Resuspend in water at >100 μg/mL, prepare single use aliquots, add carrier protein if desired.
Endotoxin Concentration	<0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements	Store lyophilized protein between -20°C to -80°C until the date of expiry. Avoid freeze-thaw cycles.
For Use With (Application)	Bioactivity
Protein	GDNF
Source	E. coli-derived human GDNF protein

R&D Systems™ Recombinant Mouse LIF, Animal-Free Protein

Pricing & Availability
Specifications

Accession Number	P09056.1
Conjugate	Unconjugated
Gene Alias	CDF, D factor, DIA, differentiation inhibitory activity, differentiation stimulating factor, Differentiation-stimulating factor, Emfilermin, HILDAcholinergic differentiation factor, leukemia inhibitory factor, leukemia inhibitory factor (cholinergic differentiation factor), Melanoma-derived LPL inhibitor, MLPLI
Molecular Weight (g/mol)	M.W. (Observed): Monomeric mouse LIF protein only, M.W. (Theroretical): 20 kDa
Gene ID (Entrez)	3976
Formulation	Lyophilized from acetonitrile/TFA
Reconstitution	Resuspend in 10 mM HCl at >100 μg/mL, prepare single use aliquots, add carrier protein if desired.
Endotoxin Concentration	<0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements	Store lyophilized protein between -20°C to -80°C until the date of expiry. Avoid freeze-thaw cycles.
For Use With (Application)	Bioactivity
Protein	LIF
Source	E. coli-derived mouse LIF protein

R&D Systems™ Recombinant Human BDNF Protein, Animal-Free

Recombinant Protein

Pricing & Availability
Specifications

Accession Number	P23560.1
Purity or Quality Grade	>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie« Blue Staining.
Conjugate	Unconjugated
Gene Alias	abrineurin, ANON2, brain-derived neurotrophic factor, BULN2, MGC34632, neurotrophin
Molecular Weight (g/mol)	M.W.-observed: 12 kDa, under reducing conditions., M.W.-theroretical: 13.1 kDa
Gene ID (Entrez)	627
Formulation	Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution	Reconstitute the 25μg size at 250μg/mL in PBS. Reconstitute all other sizes at 500μg/mL in PBS.
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	BDNF
Source	E. coli-derived human BDNF protein Arg134-Arg247, with an N-terminal Met Produced using non-animal reagents in an animal-free laboratory.

R&D Systems™ Recombinant Human IL-21 Protein, Animal-Free

Pricing & Availability
Specifications

Accession Number	Q9HBE4.3
Conjugate	Unconjugated
Gene Alias	CVID11, IL21, IL-21Za11interleukin-21, interleukin 21, interleukin-21 isoform, Za11
Molecular Weight (g/mol)	M.W.-observed: 15-17 kDa, under reducing conditions., M.W.-theroretical: 15 kDa
Gene ID (Entrez)	59067
Formulation	Supplied as a 0.2 μm filtered solution in PBS.
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. 6 months from date of receipt, ≤ -65 °C as supplied. 1 month, 2 to 8 °C under sterile conditions after opening. 3 months, -20 to -70 °C under sterile conditions after opening.
For Use With (Application)	Bioactivity
Protein	IL-21
Source	E. coli-derived human IL-21 protein Gln32-Ser162 with a N-terminal Met Produced using non-animal reagents in an animal-free laboratory.

R&D Systems™ Recombinant Human IL-21 Protein, Animal-Free

Pricing & Availability
Specifications

Accession Number	Q9HBE4.3
Conjugate	Unconjugated
Gene Alias	CVID11, IL21, IL-21Za11interleukin-21, interleukin 21, interleukin-21 isoform, Za11
Molecular Weight (g/mol)	M.W.-observed: 15-17 kDa, under reducing conditions., M.W.-theroretical: 15 kDa
Gene ID (Entrez)	59067
Formulation	Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution	Reconstitute 25 μg size at 250 μg/mL in PBS and all the other sizes at 500 μg/mL in PBS.
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	IL-21
Source	E. coli-derived human IL-21 protein Gln32-Ser162 with a N-terminal Met Produced using non-animal reagents in an animal-free laboratory.

R&D Systems™ Recombinant Human FGF-9, Animal-Free Protein

Pricing & Availability
Specifications

Accession Number	P31371.3
Conjugate	Unconjugated
Gene Alias	FGF9, FGF-9, Fibroblast growth factor 9, fibroblast growth factor 9 (glia-activating factor), GAF, glia-activating factor, HBFG-9, HBGF-9, Heparin-binding growth factor 9, MGC119914, MGC119915, SYNS3
Molecular Weight (g/mol)	M.W.-observed: Monomeric FGF-9 protein only, M.W.-theroretical: 23 kDa
Gene ID (Entrez)	2254
Formulation	Lyophilized from HEPES/NaCl
Reconstitution	Resuspend in water at >100 μg/ml, prepare single use aliquots, add carrier protein if desired.
Endotoxin Concentration	<0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements	Store lyophilized protein between -20 and -80 °C until the date of expiry. Avoid freeze-thaw cycles.
For Use With (Application)	Bioactivity
Protein	FGF-9
Source	E. coli-derived human FGF-9 protein

R&D Systems™ Recombinant Human Thrombopoietin/TPO Protein, Animal-Free

Recombinant Protein

Pricing & Availability
Specifications

Accession Number	NP_000451.1
Purity or Quality Grade	Antigen Affinity-purified
Conjugate	Unconjugated
Gene Alias	Megakaryocyte colony-stimulating factor, Megakaryocyte growth and development factor, megakaryocyte stimulating factor, MGDF, MGDFC-mpl ligand, MKCSF, MK-CSF, ML, MPL ligand, MPLLG, MPLLGMGC163194, Myeloproliferative leukemia virus oncogene ligand, THCYT1, THPO, thrombopoietin, thrombopoietin nirs variant 1, Tpo, TPOMKCSF
Molecular Weight (g/mol)	M.W.-observed: 18-19 kDa, under reducing conditions., M.W.-theroretical: 19 kDa
Gene ID (Entrez)	7066
Formulation	Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with Trehalose.
Reconstitution	Reconstitute at 500 μg/mL in 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	Thrombopoietin/THPO
Source	E. coli-derived human Thrombopoietin/Tpo protein Ser22-Leu195 Produced using non-animal reagents in an animal-free laboratory.

R&D Systems™ Recombinant Human IL-2 Protein, Animal-Free

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

Pricing & Availability
Specifications

Accession Number	P60568.1
Purity or Quality Grade	>97%, by SDS-PAGE with quantitative densitometry by Coomassie™ Blue Staining.
Conjugate	Unconjugated
Gene Alias	aldesleukin, IL2, IL-2, IL-2lymphokine, 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	Supplied as a 0.2 μm filtered solution in Sodium Acetate.
Endotoxin Concentration	<0.01 EU per 1 μg of the protein by the LAL method.
Storage Requirements	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 6 months from date of receipt, ≤ -65 °C as supplied. 1 month, 2 to 8 °C under sterile conditions after opening. 3 months, -20 to -70 °C under sterile conditions after opening.
For Use With (Application)	Bioactivity
Protein	IL-2
Source	E. coli-derived human IL-2 protein Ala21-Thr153 (Cys145Ser), with and without a N-terminal Met Produced using non-animal reagents in an animal-free laboratory.

R&D Systems™ Recombinant Human IL-2 Protein, Animal-Free

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

Pricing & Availability
Specifications

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 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 Produced using non-animal reagents in an animal-free laboratory.

R&D Systems™ Recombinant Human BMP-4 Animal-Free Protein

Recombinant Protein

Pricing & Availability
Specifications

Accession Number	P12644.1
Purity or Quality Grade	>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate	Unconjugated
Gene Alias	BMP2B, BMP-2 B, BMP2B1, BMP2BMCOPS6, BMP4, BMP-4, Bone morphogenetic protein 2 B, bone morphogenetic protein 4, DVR4, MCOPS6, OFC11, ZYME
Molecular Weight (g/mol)	M.W.-observed: 8-9 kDa, under reducing conditions, M.W.-theoretical: 12 kDa
Gene ID (Entrez)	652
Formulation	Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA.
Reconstitution	Reconstitute at 100-200 μg/mL in 4 mM HCl.
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, -70 °C under sterile conditions after reconstitution.
Protein	BMP-4
Source	E. coli-derived human BMP-4 protein Lys303-Arg408 Produced using non-animal reagents in an animal-free laboratory.

R&D Systems™ Recombinant Human GDF-15, Animal-Free Protein

Pricing & Availability
Specifications

Accession Number	Q99988.3
Conjugate	Unconjugated
Gene Alias	growth differentiation factor 15, growth/differentiation factor 15, Macrophage inhibitory cytokine 1, MIC-1NSAID-activated gene 1 protein, MIC1Prostate differentiation factor, NAG-1NSAID-regulated gene 1 protein, NSAID (nonsteroidal inflammatory drug)-activated protein 1, PDFGDF-15, PLABNRG-1, Placental bone morphogenetic protein, Placental TGF-beta, PTGFBPTGF-beta
Molecular Weight (g/mol)	M.W. (Observed): Dimeric GDF-15 protein only, M.W. (Theroretical): 25 kDa (dimer)
Gene ID (Entrez)	9518
Formulation	Lyophilized from acetonitrile/TFA
Reconstitution	Resuspend in 10 mM HCl at >100 μg/mL, prepare single use aliquots, add carrier protein if desired
Endotoxin Concentration	<0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements	Store lyophilized protein between -20°C to -80°C until the date of expiry. Avoid freeze-thaw cycles.
Protein	GDF-15
Source	E. coli-derived human GDF-15 protein

R&D Systems™ Recombinant Human IL-10, Animal Free Protein

Pricing & Availability
Specifications

Accession Number	P22301.1
Purity or Quality Grade	>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate	Unconjugated
Gene Alias	CSIF, CSIFMGC126450, Cytokine synthesis inhibitory factor, GVHDS, IL10, IL10A, IL-10 mgC126451, interleukin 10, interleukin-10, TGIF
Molecular Weight (g/mol)	M.W.-observed: 18 kDa, reducing conditions, M.W.-theroretical: 19 kDa
Gene ID (Entrez)	3586
Formulation	Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution	Reconstitute at 100-500 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-10
Source	E. coli-derived human IL-10 protein Ser19-Asn178, with an N-terminal Met Produced using non-animal reagents in an animal-free laboratory.

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