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Work with LifeSpan to design a custom immunohistochemistry to address your specific biological question. Outsource the entire localization process without having to worry about finding and characterizing target specific antibodies, sourcing and validating difficult-to-find tissues, and having the ability to interpret the resulting immunostaining in relation to complex human pathologies.

Test your therapeutic antibodies in immunohistochemistry against a broad panel of normal frozen human tissue types in order to determine potential unintended binding. Our non-GLP TCR services are designed on the FDA recommendation outlined in their "Points to Consider in the Manufacture and Testing of Monoclonal Antibody Products for Human Use".

LSBio
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Biologically Active Proteins

bioactive proteins
LSBio’s biologically active proteins have been tested to confirm that they retain their functional attributes. Each protein is uniquely tested based upon its particular function, such as measuring the ability of an enzyme to hydrolyze a substrate, using a cell proliferation assay to test a growth factor, or a cytotoxicity assay to test proteins that can cause cell death. These proteins are a cost-effective resource for use in a wide variety of in vitro research applications.

Filtered By: None
Type
Native (164)
Recombinant (999+)
Target
Adiponectin (28)
ALB / Serum Albumin (14)
BAFF (13)
BMP2 (15)
BMP4 (10)
BMP7 (10)
BTC / Betacellulin (12)
CAMK1D (10)
CCL11 / Eotaxin (16)
CCL2 / MCP1 (19)
CCL20 / MIP-3-Alpha (14)
CCL22 / MDC (13)
CCL24 / Eotaxin 2 (13)
CCL25 / TECK (10)
CCL28 / MEC (12)
CCL3 / MIP-1-Alpha (22)
CCL4 / MIP-1 Beta (20)
CCL5 / RANTES (17)
CCL7 / MCP3 (16)
CCL8 / MCP2 (13)
CD40L (12)
CNTF (20)
CSF1 / MCSF (31)
CSF2 / GM-CSF (40)
CSF3 / G-CSF (31)
CTF1 / Cardiotrophin-1 (10)
CX3CL1 / Fractalkine (14)
CXCL1 / GRO Alpha (20)
CXCL10 / IP-10 (19)
CXCL11 (11)
CXCL3 / GRO Gamma (17)
CXCL5 (22)
CXCL7 / PPBP (10)
CXCL9 / MIG (10)
DEFB1 / BD-1 (11)
EGF (32)
EPO / Erythropoietin (10)
FGF1 / Acidic FGF (23)
FGF18 (10)
FGF2 / Basic FGF (36)
FGF21 (13)
FGF4 (12)
FGF7 / KGF (13)
FGF8 (11)
FGF9 (17)
FLT3LG / Flt3 Ligand (22)
GDNF (18)
GH / Growth Hormone (24)
HBEGF / HB EGF (10)
IFN Gamma / Interferon Gamma (39)
IFNA2 / Interferon Alpha 2 (20)
IGF1 (27)
IL-10 (29)
IL11 (18)
IL12 (12)
IL13 (27)
IL15 (25)
IL16 (15)
IL17A (26)
IL17F (15)
IL1A / IL-1 Alpha (25)
IL-1B / IL-1 Beta (39)
IL1F9 (13)
IL1RN (16)
IL2 (39)
IL20 (10)
IL21 (17)
IL22 (22)
IL3 (33)
IL-33 (18)
IL36A (11)
IL36B (11)
IL4 (38)
IL5 (23)
IL6 / Interleukin 6 (40)
IL7 (25)
IL8 / Interleukin 8 (19)
IL9 (17)
KITLG / SCF (32)
Leptin (14)
LIF (21)
LTA / TNF Beta (11)
MIP2 / GRO2 / CXCL2 (25)
NGF (17)
NOG / Noggin (15)
NRG1 / Heregulin / Neuregulin (12)
OSM / Oncostatin M (19)
PDGF-AA (12)
PDGF-BB (13)
PRKAA1 / AMPK Alpha 1 (16)
PRL / Prolactin (12)
PTH / Parathyroid Hormone (11)
SDF1 / CXCL12 (35)
SHH / Sonic Hedgehog (18)
TGFB1 / TGF Beta 1 (11)
THPO / TPO / Thrombopoietin (20)
TNF Alpha (44)
TNFSF10 / TRAIL (17)
TNFSF11 / RANKL / TRANCE (12)
VEGFA / VEGF (22)
Tag
10His + SUMO,N-terminus (1)
10His,C-terminus (2)
6His + SUMO,N-terminus (2)
6His,C-terminus (11)
6His,N-terminus (8)
8His,C-terminus (2)
DDK (29)
DDK + human ACRP30headless aa 16-108 (3)
DDK + human ACRP30headless aa 18-110 (2)
DDK + human ACRP30headless aa 18-111 (5)
DDK + linker peptide GSTSGSGKPGSGEGSTKG + p19 peptide aa 20-189 (1)
GST (7)
GST,N-terminus (18)
His (501)
His + GST, N-Terminal (21)
His + HA (1)
His + linker peptide (3)
HIS + MBP, N-Terminus (3)
His, C-Terminal (27)
His, N-Terminal (158)
Human IgG Fc (2)
Human IgG1 Fc (62)
Human IgG2 Fc (2)
Human IgG2a Fc (1)
Human IgG4 Fc (1)
Human mutant IgG1 Fc (22)
Isoleucine zipper motif (1)
Mouse IgG2 Fc (15)
Mouse mutant IgG2a Fc (13)
Myc + DDK (18)
TAT (3)
Species
Adenovirus (1)
Aeromonas (2)
All species (1)
Bacillus subtilis (3)
Bacteria (5)
Bovine (23)
Cat (1)
Chicken (5)
Cow (1)
Dog (4)
E. coli (28)
Escherichia coli (2)
Fungus (1)
Guinea pig (1)
Helicobacter pylori (1)
Heloderma suspectum (1)
Horse (7)
Horseradish (1)
Human (999+)
Human Herpesvirus 8 (1)
Human Rhinovirus C (1)
Influenza virus A (1)
Lysobacter enzymogenes (1)
Microbispora rosea (1)
Monkey (1)
Mouse (686)
Mycoplasma (1)
Pig (15)
Poecilobdella viridis (1)
Pseudomonas putida (1)
Pyrococcus furiosus (1)
Rabbit (5)
Rat (307)
Rhesus monkey (29)
Rous Sarcoma Virus (1)
Saccharomyces cerevisiae (1)
Salmonella typhimurium (1)
Schistosoma japonicum (4)
Serratia marcescens (1)
Sheep (3)
Sparus aurata (1)
Staphylococcus (3)
Staphylococcus phage 42D (1)
Streptococcus (1)
Vibrio proteolyticus (1)
Virus (1)
Xenopus (1)
Yeast (7)
Zebrafish (1)
Source
293F Cells (12)
Aeromonas proteolytica (1)
Baculovirus (12)
BHK Cells (1)
Bovine (10)
Cell Culture (1)
Chicken (7)
Chicken Eggs (1)
CHO Cells (279)
COS-7 Cells (1)
Cow (5)
Dog (2)
E. coli (999+)
Eukaryotic cells (1)
Goat (4)
Guinea pig (3)
HEK 293 Cells (472)
HeLa Cells (3)
High Five Cells (31)
Horse (3)
Horseradish (1)
Human (81)
Human Cells (10)
Insect Cells (473)
Maize (1)
Mammalian Cells (10)
Mouse (15)
Nicotiana benthamiana (6)
NS0 Cells (1)
NS1 Cells (5)
Oryza sativa (3)
Papaya (1)
Peanut (2)
Pig (3)
Pigeon (1)
Porcine (2)
Rabbit (6)
Rat (10)
Salmonella typhimurium (1)
Sf21 Cells (81)
Sf9 Cells (17)
Sheep (3)
Spinach (1)
Streptococcus hemolyticus (1)
Tritirachium album (2)
Yeast (49)
Purification
Purified (999+)
Known Endotoxin Level
Known endotoxin level (999+)
Has biological activity
Has biological activity (999+)
Is animal-free
Animal-free (98)
Target
Purification
Known Endotoxin Level
Has biological activity
Is animal-free
Showing 1-25 of 4613 results

Mouse BMP4 Protein (Recombinant) - LS-G383
E. coli
212 AA
None
Has biological activity
Less than 0.1 ng/µg of protein (less than 1EU/µg).
2µg  $215.00; 10µg  $285.00

Human BMP4 Protein (Recombinant) - LS-G72
E. coli
106 AA
None
Has biological activity
Less than 0.1 ng/µg of protein (less than 1EU/µg).
1µg  $215.00; 5µg  $285.00

Human BMP4 Protein (Recombinant) - LS-G76
E. coli
106 AA
None
Has biological activity
Less than 0.1 ng/µg of protein (less than 1EU/µg).
2µg  $215.00; 10µg  $285.00

Human BMP4 Protein (Recombinant) - LS-G4481
E. coli
None
Has biological activity
Less than 0.1 ng/µg of protein.
13.0 kDa
50µg  $740.00; 1mg  $5,400.00; 10µg  $355.00

Human BMP4 Protein (Recombinant) - LS-G3618
E. coli
106 AA
None
Has biological activity
Less than 0.01 ng/µg of protein (Less than 0.1 EU/µg).
2µg  $225.00; 10µg  $295.00

Human BMP4 Protein (Recombinant His, N-Terminal) - LS-G132736
E. coli
His, N-Terminal
Has biological activity
Less than 1.0 EU/µg protein (determined by LAL method).
48kDa
10µg  $285.00; 50µg  $485.00; 200µg  $965.00
Active Bone Morphogenetic Protein 4 (BMP4) by WB
Active Bone Morphogenetic Protein 4 (BMP4) by SDS-PAGE
Active Bone Morphogenetic Protein 4 (BMP4) by WB
Active Bone Morphogenetic Protein 4 (BMP4) by SDS-PAGE

Human BMP4 Protein (Recombinant) - LS-G4837
HEK 293 Cells
None
Has biological activity
Less than 1.0 EU/µg protein.
34 kDa, homodimer, glycosylated
50µg  $1,770.00; 10µg  $465.00
Functional Assay Image
Functional Assay Image

Human BMP4 Protein (Recombinant) - LS-G16653
HEK 293 Cells
389 AA
None
Has biological activity
No known endotoxin level
2µg  $195.00; 10µg  $255.00; 100µg  $1,155.00

Human BMP4 Protein (Recombinant) - LS-G131226
E. coli
None
Has biological activity
Less than 1.0 EU/µg protein (determined by LAL method).
~13 kDa
10µg  $265.00; 1mg  $3,045.00

Human BMP4 Protein (Recombinant) - LS-G131459
HEK 293 Cells
None
Has biological activity
Less than 1.0 EU/µg protein (determined by LAL method).
10µg  $435.00; 100µg  $3,435.00

Mouse CD200 Protein (Recombinant Mouse mutant IgG2a Fc) (aa31-236) - LS-G4152
CHO Cells
Mouse mutant IgG2a Fc
Has biological activity
Less than 0.06 EU/µg protein (determined by LAL method).
50µg  $365.00

Human CD200 Protein (Recombinant Human mutant IgG1 Fc) (aa31-236) - LS-G4087
CHO Cells
Human mutant IgG1 Fc
Has biological activity
Less than 0.06 EU/µg protein (determined by LAL method).
100µg  $425.00

Human CD200 Protein (Recombinant His) - LS-G5165
HEK 293 Cells
His
Has biological activity
Less than 1.0 EU/µg protein (determined by LAL method).
23.4 kDa. DTT-reduced protein migrates as 35-45 kDa due to glycosylation
50µg  $890.00; 10µg  $345.00
Sodium Dodecyl Sulfate - Polyacrylamide Gel Electrophoresis Image
Sodium Dodecyl Sulfate - Polyacrylamide Gel Electrophoresis Image

Human BTLA / CD272 Protein (Recombinant Mouse IgG2 Fc) (aa31-157) - LS-G4069
CHO Cells
Mouse IgG2 Fc
Has biological activity
Less than 0.06 EU/µg protein (determined by LAL method).
100µg  $395.00

Human BTLA / CD272 Protein (Recombinant Human IgG1 Fc) (aa31-157) - LS-G4039
CHO Cells
Human IgG1 Fc
Has biological activity
Less than 0.06 EU/µg protein (determined by LAL method).
100µg  $385.00

Rhesus monkey IL4 Protein (Recombinant) - LS-G5753
E. coli
129 AA
None
Has biological activity
No known endotoxin level
14.9 kDa
5µg  $225.00; 20µg  $315.00; 100µg  $785.00; 250µg  $1,680.00
Sodium Dodecyl Sulfate - Polyacrylamide Gel Electrophoresis Image
Sodium Dodecyl Sulfate - Polyacrylamide Gel Electrophoresis Image

Human IL4 Protein (Recombinant) - LS-G17086
Yeast
None
Has biological activity
No known endotoxin level
2µg  $195.00; 10µg  $255.00; 1mg  $4,125.00

Mouse IL4 Protein (Recombinant) - LS-G3698
E. coli
121 AA
None
Has biological activity
Less than 0.01 ng/µg of protein (Less than 0.1 EU/µg).
5µg  $225.00; 20µg  $295.00

Human IL4 Protein (Recombinant) - LS-G3658
E. coli
130 AA
None
Has biological activity
Less than 0.01 ng/µg of protein (Less than 0.1 EU/µg).
5µg  $225.00; 20µg  $295.00

Mouse IL4 Protein (Recombinant) - LS-G209
E. coli
121 AA
None
Has biological activity
Less than 0.1 ng/µg of protein (less than 1EU/µg).
13.5 kDa
5µg  $215.00; 20µg  $285.00

Human IL4 Protein (Recombinant) - LS-G157
E. coli
130 AA
None
Has biological activity
Less than 0.1 ng/µg of protein (less than 1EU/µg).
15.1 kDa
5µg  $215.00; 20µg  $285.00

Rat IL4 Protein (Recombinant) - LS-G396
E. coli
126 AA
None
Has biological activity
Less than 0.1 ng/µg of protein (less than 1EU/µg).
14.0 kDa
5µg  $215.00; 20µg  $285.00

Mouse IL4 Protein (Recombinant Mouse mutant IgG2a Fc) (aa21-140) - LS-G4144
CHO Cells
Mouse mutant IgG2a Fc
Has biological activity
Less than 0.06 EU/µg protein (determined by LAL method).
50µg  $385.00; 10µg  $285.00

Human IL4 Protein (Recombinant Human mutant IgG1 Fc) (aa1-153) - LS-G4077
CHO Cells
Human mutant IgG1 Fc
Has biological activity
Less than 0.06 EU/µg protein (determined by LAL method).
50µg  $385.00; 10µg  $285.00

Human IL4 Protein (Recombinant) - LS-G4287
E. coli
None
Has biological activity
Less than 0.1 ng/µg of protein.
15.0 kDa
50µg  $845.00; 1mg  $4,800.00; 10µg  $365.00
Showing 1-25 of 4613 results

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