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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376 – 390 of 119,908 results

376

Invitrogen™ Human ErbB2 Fc Chimera Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	Includes 1 vial of lyophilized protein. Store at -20 °C.
Purity or Quality Grade	≥90 % as determined by SDS-PAGE. ≥90 % as determined by SEC-HPLC.
Conjugate	Unconjugated
Form	Lyophilized
Common Name	Her-2 (ErbB2)
Molecular Weight (g/mol)	96.1 kDa
Gene Symbol	ERBB2
Endotoxin Concentration	<1.0 EU/μg
Sequence	Human ErbB2, amino acids Met1-Thr652 (Accession # NP_004439.2) with a C-terminal Fc-tag
Expression System	HEK293 cells
For Use With (Application)	Control,Binding Assay,Bioactivity,Western Blot
Source	HEK293 cells
Name	Human ErbB2 Fc Chimera
Accession Number	P04626
Regulatory Status	RUO
Gene Alias	avian erythroblastosis oncogene B 2; Avian erythroblastosis viral (v-erb-B2) oncogene homologue 2 (neuro/glioblastoma derived oncogene homolog); CD antigen CD340; CD340; c-erb B2/neu protein; c-erbB2; C-erbB-2; c-neu; epidermal growth factor receptor-related protein; erbb 2; ERBB2; erb-b2; Erbb-2; ErbB2 (pTyr1139); ErbB2 (pY1139); ErbB2 phospho Y1139; erb-b2 receptor tyrosine kinase 2; her 2; HER2; HER-2; HER-2/neu; herstatin; human epidermal growth factor receptor 2; Kiaa3023; metas; Metastatic lymph node gene 19 protein; mKIAA3023; MLN 19; MLN19; NEU; Neu oncogene; NEU proto-oncogene; neuro/glioblastoma derived oncogene homolog; neuroblastoma/glioblastoma derived oncogene homolog; NGL; p185erbB2; p185neu; phospho ErbB2; proto-oncogene c-ErbB-2; Proto-oncogene Neu; receptor tyrosine-protein kinase erbB-2; TKR1; Tyrosine kinase-type cell surface receptor HER2; v-erb-b2 avian erythroblastic leukemia viral oncogene 2; v-erb-b2 avian erythroblastic leukemia viral oncogene homolog 2; v-erb-b2 avian erythroblastic leukemia viral oncoprotein 2; v-erb-b2 erythroblastic leukemia viral oncogene homolog 2, neuro/glioblastoma derived oncogene homolog; v-erb-b2 erythroblastic leukemia viral oncogene homolog 2, neuro/glioblastoma derived oncogene homolog (avian)
Biological Activity	1. Immobilized Human ErbB2 Fc Chimera Recombinant Protein (at 2 μg/mL (100 μL/well) can bind Anti-Erbb2 Antibody (Trastuzumab), the EC50 is 16-80 ng/mL 2. Measured by its ability to block anti-ErbB2 mediated inhibition of BT474 human breast ductal carcinoma cell proliferation. The ED50 for this effect is 0.5-3 μg/mL in the presence of 0.6 μg/mL Anti-ErbB2/Her2 Monoclonal Antibody.)
Gene ID (Entrez)	2064
Formulation	PBS with 5% mannitol, 5% trehalose, 0.01% Tween 80 and no preservative; pH 7.4
Protein Tag	Fc-tag
Recombinant	Recombinant

377

Invitrogen™ Isolectin GS-IB₄ From Griffonia simplicifolia, Alexa Fluor™ 647 Conjugate

Isolated from the seeds of Griffonia simplicifolia, a tropical African legume

Pricing & Availability

378

Invitrogen™ Human IFN-alpha A (alpha 2a) (Carrier-Free) Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Regulatory Status	RUO
Purity or Quality Grade	>95%
Conjugate	Unconjugated
Form	Liquid
Molecular Weight (g/mol)	19.2 kDa
Formulation	PBS with no preservative
Endotoxin Concentration	<1 EU/ μg
Concentration	0.2 mg/mL
For Use With (Application)	ELISA,Immunoprecipitation,Western Blot
Source	E. Coli
Name	Human IFN-alpha A (alpha 2 A) (Carrier-Free)
Recombinant	Recombinant

379

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R&D Systems™ Recombinant Human IL-34 Protein

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

Pricing & Availability
Specifications

Purity or Quality Grade	95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Molecular Weight (g/mol)	26.1 kDa
Gene ID (Entrez)	146433
Quantity	10 μg
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.
Source	Mouse myeloma cell line,NS0-derived human IL-34 protein Asn21-Pro242,with a C-terminal 6-His tag
Recombinant	Recombinant
Name	IL-34

380

R&D Systems™ Recombinant Human VCAM-1/CD106 Fc Chimera Protein

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

Pricing & Availability

381

Invitrogen™ Mouse IL-6 Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Regulatory Status	RUO
Purity or Quality Grade	>95% by SDS-PAGE
Conjugate	Unconjugated
Form	Lyophilized
Molecular Weight (g/mol)	21.7 kDa
Formulation	PBS with no preservative
Sequence	Mouse IL-6, amino acids 25-211 (Accession # NP_112445)
For Use With (Application)	Control,ELISA,Immunoprecipitation,Western Blot
Source	Yeast
Name	Mouse IL-6
Recombinant	Recombinant

382

Invitrogen™ Rat TNF-alpha Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Purity or Quality Grade	>95% by SDS-PAGE
Conjugate	Unconjugated
Form	Lyophilized
Molecular Weight (g/mol)	17.2 kDa
Common Name	TNF alpha
Gene Symbol	Tnf
Activity	ED50 < 5 pg/mL; determined by the dose-dependent cytolytic effect on mouse WEHI-13VAR cells in the presence of Actinomycin D.
Storage Requirements	4°C
Sequence	Rat TNF-alpha, amino acids 80-235 (Accession # P16599)
Expression System	P. pastoris
For Use With (Application)	Bioactivity
Name	Rat TNF-alpha
Accession Number	P16599
Regulatory Status	RUO
Purification Method	Purified
Gene Alias	APC1 protein; Cachectin; C-domain 1; C-domain 2; cTNF; DADB-70P7.1; DIF; ICD1; ICD2; Intracellular domain 1; Intracellular domain 2; N-terminal fragment; NTF; RATTNF; Tnf; TNF alpha; TNF superfamily; TNF α; TNF, macrophage-derived; TNF, monocyte-derived; TNFA; TNF-a; TNFalpha; TNF-alpha; Tnfsf1a; TNFSF2; TNFα; TNLG1F; Tumor necrosis factor; tumor necrosis factor (TNF superfamily, member 2); tumor necrosis factor alpha; tumor necrosis factor alpha (cachetin); tumor necrosis factor alpha precursor; tumor necrosis factor ligand 1F; tumor necrosis factor ligand superfamily member 2; Tumor necrosis factor, membrane form; Tumor necrosis factor, soluble form; tumor necrosis factor-alpha; tumor necrosis factor-alpha precursor; tumor-necrosis factor; tumour necrosis factor
Product Type	Protein
Gene ID (Entrez)	24835
Formulation	PBS with no preservative
Recombinant	Recombinant

383

R&D Systems™ Recombinant Human IL-4 Protein

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

Pricing & Availability
Specifications

Purity or Quality Grade	>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Molecular Weight (g/mol)	15 kDa
Gene Symbol	IL4
Endotoxin Concentration	<0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements	Manual defrost freezer; Avoid repeated freeze-thaw cycles; 12 mo. from receipt, -20 to -70°C as supplied; 1 mo, 2 to 8°C under sterile conditions after reconstitution; 3 mo, -20 to -70°C under sterile conditions after reconstitution
For Use With (Application)	Bioactivity
Source	<EM>E. coli</EM>-derived human IL-4 protein His25-Ser153, with an N-terminal Met
Accession Number	P05112
Regulatory Status	RUO
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 0.2 μm filtered solution in PBS.
Reconstitution	Reconstitute at 100-200 μg/mL in sterile PBS.
Cross Reactivity	IL-4
Species	Human

384

Gibco™ CTS™ HiFi Cas9 Protein

Gibco CTS HiFi Cas9 Protein is our GMP-manufactured high-fidelity CRISPR-Cas9 protein, engineered to deliver reduced off-target effects while maintaining high on-target activity.

Pricing & Availability
Specifications

Shipping Condition	Dry Ice
Content And Storage	Store at –20°C.
Form	Liquid
Product Type	Cas9 Protein
Manufacturing Quality	ISO 13485
Research Category	Genome Editing
Shelf Life	18 months from date of manufacture
Concentration	10 mg/mL
Expression System	E. coli

385

R&D Systems™ Recombinant Human Angiopoietin-1 Protein

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

Pricing & Availability
Specifications

Purity or Quality Grade	90%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Molecular Weight (g/mol)	56 kDa
Gene ID (Entrez)	284
Quantity	25 μg
Structural Form	Oligomer
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.
Source	Mouse myeloma cell line,NS0-derived human Angiopoietin-1 protein Ser20-Phe498,with a C-terminal 6-His tag
Recombinant	Recombinant
Name	Angiopoietin-1

386

Invitrogen™ Human KIT, His Tag Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Purity or Quality Grade	80% by SDS-PAGE
Conjugate	Unconjugated
Form	Liquid
Common Name	c-Kit (CD117)
Molecular Weight (g/mol)	53.3 kDa
Concentration	See Label
Expression System	Insect cells
For Use With (Application)	Kinase Assay
Name	Human KIT, His Tag
Accession Number	P10721
Gene Alias	belly-spot; Bs; CD117; ckit; C-Kit; c-KIT gene1; c-kit protein; c-kit proto-oncogene protein; c-kit receptor; c-kit receptor tyrosine kinase; dominant spotting; Dominant white spotting; Fdc; Gsfsco1; Gsfsco5; Gsfsow3; KIT; kit oncogene; KIT proto-oncogene receptor tyrosine kinase; KIT proto-oncogene, receptor tyrosine kinase; mast cell growth factor receptor; mast/stem cell growth factor receptor; mast/stem cell growth factor receptor Kit; MGF; p145 c-kit; PBT; Piebald trait protein; protein kinase; proto-oncogene c-Kit; proto-oncogene tyrosine-protein kinase Kit; receptor tyrosine kinase c-kit; receptor tyrosine kinase type III; SCFR; SCO1; SCO5; Sl; soluble KIT variant 1; SOW3; spotted sterile male; Ssm; Steel Factor Receptor; Tr-kit; tyrosine kinase receptor; tyrosine kinase receptor c-KIT; tyrosine-protein kinase Kit; v-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene homolog; v-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene-like protein; W
Gene ID (Entrez)	3815
Protein Tag	His-tag
Species	Human
Recombinant	Recombinant

387

R&D Systems™ Recombinant Mouse IGF-I/IGF-1 Protein

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

Pricing & Availability

388

Invitrogen™ Lectin HPA From Helix pomatia (edible snail), Alexa Fluor™ 488 Conjugate

Suitable for use in cellular imaging and flow cytometry

Pricing & Availability

389

Invitrogen™ Human MAPK14 (p38 alpha), GST Tag Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Purity or Quality Grade	95% by SDS-PAGE
Conjugate	Unconjugated
Form	Liquid
Common Name	p38 MAPK alpha
Molecular Weight (g/mol)	67.6 kDa
Sequence	Full length
Concentration	See Label
Expression System	E. coli
For Use With (Application)	Kinase Assay
Name	Human MAPK14 (p38 alpha), GST Tag
Accession Number	Q16539
Gene ID (Entrez)	1432
Protein Tag	GST-tag
Species	Human
Recombinant	Recombinant

390

Invitrogen™ Human MAP2K1 (MEK1) (Inactive), His Tag Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Conjugate	Unconjugated
pH Range	7.5
Form	Liquid
Molecular Weight (g/mol)	49.2 kDa
Common Name	MEK1
Gene Symbol	Map2k1
Storage Requirements	-80°C, Avoid Freeze/Thaw Cycles
Sequence	Full length
Concentration	See Label
Expression System	Insect cells
For Use With (Application)	Kinase Assay
Name	Human MAP2K1 (MEK1) (Inactive), His Tag
Accession Number	Q02750
Regulatory Status	RUO
Purification Method	Purified
Gene Alias	CFC3; dual specificity mitogen activated protein kinase kinase 1; dual specificity mitogen-activated protein kinase kinase 1; EC 2.7.12.2; ERK activator kinase 1; kinase MEK1; MAP kinase kinase 1; MAP kinase kinase or Erk Kinase, Dual specificity mitogen-activated protein kinase kinase, involved in ras mediated vulval induction, LEThal LET-537 (42.8 kD) (mek-2); MAP kinase/Erk kinase 1; Map2k1; map2k1.L; MAPK/ERK kinase 1; MAPKK 1; MAPKK1; MEK 1; Mek1; MEK2; mek-2; MEKK1; mitogen activated protein kinase kinase 1; mitogen-activated protein kinase kinase 1; mitogen-activated protein kinase kinase 1 L homeolog; MKK (Thr292); MKK (Thr386); MKK1; MKK2; MP2K1; Prkmk1; PRKMK2; protein kinase, mitogen activated, kinase 1, p45; protein kinase, mitogen-activated, kinase 1 (MAP kinase kinase 1); XELAEV_18018447mg
Product Type	Protein
Gene ID (Entrez)	5604
Formulation	50mM tris with 0.05% NP-40, 50% glycerol, 1mM DTT, 0.05mM EDTA, 150mM NaCl and no preservative; pH 7.5
Protein Tag	His-tag
Recombinant	Recombinant

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Recombinant Proteins

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R&D Systems™ Recombinant Human VCAM-1/CD106 Fc Chimera Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Mouse IGF-I/IGF-1 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human VCAM-1/CD106 Fc Chimera Protein

R&D Systems™ Recombinant Mouse IGF-I/IGF-1 Protein