Products
Research Areas
COVID-19
Resources
Contact Us
Login
Quick Order
Cart
Login
Registration enables users to use special features of this website, such as past
order histories, retained contact details for faster checkout, review submissions, and special promotions.


Fields marked with a * are required.

Login
Quick Order
Cart
How To Buy
Contact Us

Locations

Orders Processing,
Shipping & Receiving,
Warehouse

2 Shaker Rd Suites
B001/B101
Shirley, MA 01464

Production Lab

Floor 6, Suite 620
20700 44th Avenue W
Lynnwood, WA 98036

Telephone Numbers


Tel: +1 (206) 374-1102
Fax: +1 (206) 577-4565

Contact Us


Additional Contact Details

Distributors
Login
Registration enables users to use special features of this website, such as past
order histories, retained contact details for faster checkout, review submissions, and special promotions.


Fields marked with a * are required.

Login
Quick Order

Protein Browser


Protein Type:

All Proteins
Recombinant
Native
Over-expression Lysate
Cell and Tissue Lysate
Biologically Active
Animal-free
Synthetic Peptide
Current Filter: Native (242)

Target Type Protein
ACE / CD143 Native Rabbit ACE / CD143 Protein (Native) - LS-G37557
AGE Native AGE Protein (Native) - LS-G11195
ALB / Serum Albumin Native Pig ALB / Serum Albumin Protein (Native His, N-Terminal) - LS-G133096
ALB / Serum Albumin Native Human ALB / Serum Albumin Protein (Native) - LS-G37738
ALB / Serum Albumin Native Pig ALB / Serum Albumin Protein (Native) - LS-G11215
ALB / Serum Albumin Native Rhesus monkey ALB / Serum Albumin Protein (Native) - LS-G11218
ALB / Serum Albumin Native Rat ALB / Serum Albumin Protein (Native) - LS-G11220
ALB / Serum Albumin Native Rabbit ALB / Serum Albumin Protein (Native) - LS-G11221
ALB / Serum Albumin Native Goat ALB / Serum Albumin Protein (Native) - LS-G11223
ALB / Serum Albumin Native Bovine ALB / Serum Albumin Protein (Native) - LS-G11227
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132082
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132084
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132086
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132083
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132085
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132087
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132088
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132091
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132089
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132090
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132093
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132092
ALB / Serum Albumin Native ALB / Serum Albumin Protein (Native) (Full Length) - LS-G132094
ALB / Serum Albumin Native Human ALB / Serum Albumin Protein (Native) - LS-G11212
ALB / Serum Albumin Native Mouse ALB / Serum Albumin Protein (Native) - LS-G11213
AMBP Native Human AMBP Protein (Native) - LS-G37552
APOA1 / Apolipoprotein A 1 Native Human APOA1 / Apolipoprotein A 1 (Native) - LS-G136204
APOA1 / Apolipoprotein A 1 Native Dog APOA1 / Apolipoprotein A 1 (Native) - LS-G23793
ART1 /CD296 Native ART1 /CD296 Protein (Native) (Full Length) - LS-G132071
Adenovirus Native Adenovirus Protein (Native) - LS-G37558
Alkaline Phosphatase Native Alkaline Phosphatase Protein (Native) - LS-G37562
Alkaline Phosphatase Native Human Alkaline Phosphatase Protein (Native) - LS-G37563
B2M / Beta 2 Microglobulin Native Human B2M / Beta 2 Microglobulin Protein (Native) - LS-G37792
B2M / Beta 2 Microglobulin Native B2M / Beta 2 Microglobulin Protein (Native) (Full Length) - LS-G132096
BLVRA Native Rat BLVRA Protein (Native) (Full Length) - LS-G141285
Beta Galactosidase Native Bacteria Beta Galactosidase Protein (Native) - LS-G37579
Bovine IgG Native Bovine IgG Protein (Native) - LS-G37653
Bovine IgG Native Bovine IgG Protein (Native) (Full Length) - LS-G132036
Bovine IgG Native Bovine IgG Protein (Native) - LS-G16384
Bovine IgG2 Native Bovine IgG2 Protein (Native) - LS-G37651
CA2 / Carbonic Anhydrase II Native Rhesus monkey CA2 / Carbonic Anhydrase II Protein (Native) - LS-G23798
CA2 / Carbonic Anhydrase II Native Sheep CA2 / Carbonic Anhydrase II Protein (Native) - LS-G23797
CA2 / Carbonic Anhydrase II Native Dog CA2 / Carbonic Anhydrase II Protein (Native) - LS-G11191
CA2 / Carbonic Anhydrase II Native Mouse CA2 / Carbonic Anhydrase II Protein (Native) - LS-G11192
CA2 / Carbonic Anhydrase II Native Rat CA2 / Carbonic Anhydrase II Protein (Native) - LS-G11193
CA2 / Carbonic Anhydrase II Native Rabbit CA2 / Carbonic Anhydrase II Protein (Native) - LS-G11194
CA2 / Carbonic Anhydrase II Native Human CA2 / Carbonic Anhydrase II Protein (Native) - LS-G11190
CCoV Native Canine Coronavirus CCoV Protein (Native) - LS-G145819
CD66a / CEACAM1 Native Sheep CD66a / CEACAM1 Protein (Native) - LS-G11208
CD71 / Transferrin Receptor Native Human CD71 / Transferrin Receptor Protein (Native) - LS-G37620
CEACAM5 / CD66e Native Human CEACAM5 / CD66e Protein (Native) - LS-G37800
CFH / Complement Factor H Native Human CFH / Complement Factor H Protein (Native) - LS-G37795
CKB / Creatine Kinase BB Native Mouse CKB / Creatine Kinase BB Protein (Native) - LS-G11207
CKM / Creatine Kinase MM Native Rat CKM / Creatine Kinase MM Protein (Native) - LS-G11187
CRP / C-Reactive Protein Native Human CRP / C-Reactive Protein (Native) - LS-G136195
CRP / C-Reactive Protein Native Human CRP / C-Reactive Protein (Native) - LS-G23799
CRP / C-Reactive Protein Native Human CRP / C-Reactive Protein (Native) - LS-G37567
CST3 / Cystatin C Native Human CST3 / Cystatin C Protein (Native) (Full Length) - LS-G132097
Calmodulin Native Bovine Calmodulin Protein (Native) - LS-G37568
Casein Native Casein Protein (Native) (Full Length) - LS-G132034
Chicken IgY Native Chicken IgY Protein (Native) - LS-G37645
Chicken IgY Native Chicken IgY Protein (Native) - LS-G11177
Chicken IgY Native Chicken IgY Protein (Native) (Full Length) - LS-G132050
Collagen I Native Bovine Collagen I Protein (Native) - LS-G136163
Collagen I Native Human Collagen I Protein (Native) - LS-G136166
Collagen I Native Mouse Collagen I Protein (Native) - LS-G136198
Collagen I Native Rat Collagen I Protein (Native) - LS-G136239
Collagen I+III Native Mouse Collagen I+III Protein (Native) - LS-G136192
Collagen IV Native Human Collagen IV Protein (Native) - LS-G136218
Complement C3 Native Human Complement C3 Protein (Native) - LS-G37801
DEFB103A / BD-3 Native Mouse DEFB103A / BD-3 Protein (Native) - LS-G133838
Dog IgG Native Dog IgG Protein (Native) (Full Length) - LS-G132037
Dog IgG Native Dog IgG Protein (Native) - LS-G11176
Endonuclease G / ENDOG Native Rat Endonuclease G / ENDOG Protein (Native His-GST, N-terminus) - LS-G132753
FN1 / Fibronectin Native Goat FN1 / Fibronectin Protein (Native) - LS-G37601
FN1 / Fibronectin Native Bovine FN1 / Fibronectin Protein (Native) - LS-G37662
FN1 / Fibronectin Native Cow FN1 / Fibronectin Protein (Native His, N-Terminal) - LS-G132946
Ferritin Native Horse Ferritin Protein (Native His, N-Terminal) - LS-G133084
Ferritin Native Human Ferritin Protein (Native) - LS-G37574
Fibrin Degradation Product D-Dimer Native Human Fibrin Degradation Product D-Dimer Protein (Native) - LS-G37575
Fibrin Degradation Product D-Monomer Native Human Fibrin Degradation Product D-Monomer Protein (Native) - LS-G37890
Fibrin Degradation Product E Native Human Fibrin Degradation Product E Protein (Native) - LS-G37891
Fibrinogen Native Human Fibrinogen Protein (Native His, N-Terminal) - LS-G133087
Fibrinogen Native Human Fibrinogen Protein (Native) - LS-G37576
Fibrinogen Native Cow Fibrinogen Protein (Native His, N-Terminal) - LS-G133095
GPT / Alanine Transaminase Native Pig GPT / Alanine Transaminase Protein (Native) - LS-G37582
Gliadin Native Wheat Gliadin Protein (Native) (Full Length) - LS-G136564
Goat IgG Native Goat IgG Protein (Native) - LS-G37663
Goat IgG Native Goat IgG Protein (Native) - LS-G11175
Goat IgG Native Goat IgG Protein (Native) (Full Length) - LS-G132038
Goat IgG Fab Native Goat IgG Fab Protein (Native) (Full Length) - LS-G132066
Goat IgG Fc Native Goat IgG Fc Protein (Native) (Full Length) - LS-G132047
Guinea Pig IgG Native Guinea Pig IgG Protein (Native) - LS-G11181
Guinea Pig IgG Native Guinea Pig IgG Protein (Native) (Full Length) - LS-G132039
HBB / Hemoglobin Beta Native Sheep HBB / Hemoglobin Beta Protein (Native) - LS-G23800
HIST4H4 Native Pig HIST4H4 Protein (Native) - LS-G11206
HMOX1 / HO-1 Native Rat HMOX1 / HO-1 Protein (Native) (Full Length) - LS-G141281
HMOX2 / Heme Oxygenase 2 Native Rat HMOX2 / Heme Oxygenase 2 Protein (Native) (Full Length) - LS-G141282
HNE / Neutrophil Elastase Native Human HNE / Neutrophil Elastase Protein (Native) - LS-G37572
HP / Haptoglobin Native Human HP / Haptoglobin Protein (Native) - LS-G37794
Hamster IgG Native Hamster IgG Protein (Native) - LS-G37635
Hamster IgG Native Hamster IgG Protein (Native) - LS-G37636
HbA1c / Hemoglobin a1c Native Mouse HbA1c / Hemoglobin a1c Protein (Native) - LS-G11169
HbA1c / Hemoglobin a1c Native Rhesus monkey HbA1c / Hemoglobin a1c Protein (Native) - LS-G11170
HbA1c / Hemoglobin a1c Native Rat HbA1c / Hemoglobin a1c Protein (Native) - LS-G11171
HbA1c / Hemoglobin a1c Native Human HbA1c / Hemoglobin a1c Protein (Native) - LS-G11173
Hemoglobin Native Rabbit Hemoglobin Protein (Native) - LS-G11204
Hemoglobin Native Rhesus monkey Hemoglobin Protein (Native) - LS-G11205
Hemoglobin Native Human Hemoglobin Protein (Native) - LS-G11196
Hemoglobin Native Bovine Hemoglobin Protein (Native) - LS-G11198
Hemoglobin Native Pig Hemoglobin Protein (Native) - LS-G11200
Hemoglobin Native Hemoglobin Protein (Native) (Full Length) - LS-G132054
Hemoglobin Native Hemoglobin Protein (Native) (Full Length) - LS-G132055
Hemoglobin Native Human Hemoglobin Protein (Native) (Full Length) - LS-G132057
Hemoglobin Native Hemoglobin Protein (Native) (Full Length) - LS-G132056
Hemoglobin Native Dog Hemoglobin Protein (Native) - LS-G11197
Hemoglobin Native Mouse Hemoglobin Protein (Native) - LS-G11199
Hemoglobin Native Rat Hemoglobin Protein (Native) - LS-G11201
Horse IgG Native Horse IgG Protein (Native) - LS-G37668
Horse IgG Native Horse IgG Protein (Native) - LS-G11178
Horse IgG Native Horse IgG Protein (Native) (Full Length) - LS-G132040
Horse IgG Fc Native Horse IgG Fc Protein (Native) (Full Length) - LS-G132048
Human IgA Native Human IgA Protein (Native) - LS-G37732
Human IgG Native Human IgG Protein (Native) - LS-G133089
Human IgG Native Human IgG Protein (Native) (Full Length) - LS-G132041
Human IgG Fab Native Human IgG Fab Protein (Native) (Full Length) - LS-G132058
Human IgG2 Native Human IgG2 Protein (Native) - LS-G37670
Human IgG2 Native Human IgG2 Protein (Native) - LS-G11202
Human IgG3 Native Human IgG3 Protein (Native) - LS-G37585
Human IgG3 Native Human IgG3 Protein (Native) - LS-G11188
Human IgG4 Native Human IgG4 Protein (Native) (Full Length) - LS-G11174
Human IgM Native Human IgM Protein (Native) - LS-G37639
Hyaluronidase Native Bovine Hyaluronidase Protein (Native) - LS-G37584
IL18 Native Mouse IL18 Protein (Native His, N-Terminal) - LS-G132789
IL6R / IL6 Receptor Native Mouse IL6R / IL6 Receptor Protein (Native His, N-Terminal) - LS-G133755
Ig Kappa Light Chain Native Human Ig Kappa Light Chain Protein (Native) - LS-G37796
Ig Kappa Light Chain Native Human Ig Kappa Light Chain Protein (Native) - LS-G37797
IgA1 Native Human IgA1 Protein (Native) - LS-G23801
IgG Native Bovine IgG Protein (Native) - LS-G11180
Insulin Native Human Insulin Protein (Native) - LS-G133086
Insulin Native Rat Insulin Protein (Native His, N-Terminal) - LS-G133092
Ischemia Modified Albumin Native Human Ischemia Modified Albumin Protein (Native) - LS-G11184
KLK3 / PSA Native Human KLK3 / PSA Protein (Native) - LS-G37607
KLK3 / PSA Native Human KLK3 / PSA Protein (Native) - LS-G37609
LCAT Native Mouse LCAT Protein (Native His, N-Terminal) - LS-G133753
LF / LTF / Lactoferrin Native Human LF / LTF / Lactoferrin Protein (Native) - LS-G37777
LF / LTF / Lactoferrin Native LF / LTF / Lactoferrin Protein (Native) (Full Length) - LS-G132072
LGB / Beta-Lactoglobulin Native Cow LGB / Beta-Lactoglobulin Protein (Native His, N-Terminal) - LS-G132947
LGB / Beta-Lactoglobulin Native LGB / Beta-Lactoglobulin Protein (Native) (Full Length) - LS-G132099
LYZ / Lysozyme Native LYZ / Lysozyme Protein (Native) (Full Length) - LS-G132095
Lambda Light Chain Native Human Lambda Light Chain Protein (Native) - LS-G37798
Lambda Light Chain Native Human Lambda Light Chain Protein (Native) - LS-G37799
Laminin Native Human Laminin Protein (Native) - LS-G37592
MB / Myoglobin Native Human MB / Myoglobin Protein (Native) - LS-G37595
MB / Myoglobin Native Human MB / Myoglobin Protein (Native) - LS-G37741
MB / Myoglobin Native Rat MB / Myoglobin Protein (Native) - LS-G11189
MB / Myoglobin Native MB / Myoglobin Protein (Native) (Full Length) - LS-G132073
MT1E Native Rat MT1E Protein (Native His, N-Terminal) - LS-G133098
Mouse IgG Native Mouse IgG Protein (Native) - LS-G37811
Mouse IgG Native Mouse IgG Protein (Native) - LS-G37812
Mouse IgG Native Mouse IgG Protein (Native) - LS-G11179
Mouse IgG Native Mouse IgG Protein (Native) (Full Length) - LS-G132043
Mouse IgG Native Mouse IgG Protein (Native) (Full Length) - LS-G132065
Mouse IgG Fab Native Mouse IgG Fab Protein (Native) (Full Length) - LS-G132067
Mouse IgG Fc Native Mouse IgG Fc Protein (Native) (Full Length) - LS-G132049
Mouse IgG1 Native Mouse IgG1 Protein (Native His, N-Terminal) - LS-G133090
Mouse IgG1 Native Mouse IgG1 Protein (Native) - LS-G37560
Mouse IgG1 Native Mouse IgG1 Protein (Native) - LS-G37831
Mouse IgG2a Native Mouse IgG2a Protein (Native) - LS-G37832
Mouse IgG2a Native Rat Mouse IgG2a Protein (Native) - LS-G37858
Mouse IgG2a Native Mouse IgG2a Protein (Native) (Full Length) - LS-G132060
Mouse IgG2b Native Mouse IgG2b Protein (Native) - LS-G37833
Mouse IgG2b Native Rat Mouse IgG2b Protein (Native) - LS-G37859
Mouse IgG2b Native Mouse IgG2b Protein (Native) (Full Length) - LS-G132061
Mouse IgM Native Mouse IgM Protein (Native) - LS-G37836
Mycoplasma pneumoniae Native Bacteria Mycoplasma pneumoniae Protein (Native) - LS-G37554
NGAL/MMP9 Complex Native NGAL/MMP9 Complex Protein (Native) (Full Length) - LS-G132068
NGF Native Mouse NGF Protein (Native) - LS-G37813
NOG / Noggin Native Rat NOG / Noggin Protein (Native His-MBP, N-terminus) - LS-G133756
Ovalbumin Native Ovalbumin Protein (Native) (Full Length) - LS-G132098
Ovomucoid / Gal d 1 Native Ovomucoid / Gal d 1 Protein (Native) (Full Length) - LS-G132062
PDGF-AA Native Mouse PDGF-AA Protein (Native His, N-Terminal) - LS-G132836
PTH / Parathyroid Hormone Native PTH / Parathyroid Hormone Protein (Native His-MBP, N-terminus) - LS-G132842
Papain Native Papain Protein (Native) (Full Length) - LS-G132053
Phosphorylase B Native Rabbit Phosphorylase B Protein (Native) - LS-G37599
Pig IgG Native Pig IgG Protein (Native) - LS-G37852
Pig IgG Native Pig IgG Protein (Native) - LS-G11183
Pig IgG Native Pig IgG Protein (Native) (Full Length) - LS-G132044
Protein A Native Bacteria Protein A (Native) - LS-G136172
Pyruvate Kinase Native Rabbit Pyruvate Kinase Protein (Native) - LS-G37610
RBP / Retinol Binding Protein Native Human RBP / Retinol Binding Protein (Native) - LS-G37611
RBP4 Native RBP4 Protein (Native) (Full Length) - LS-G132074
RSV / Respiratory Syncytial Virus Native RSV / Respiratory Syncytial Virus Protein (Native) - LS-G136206
Rabbit IgG Native Rabbit IgG Protein (Native) - LS-G37855
Rabbit IgG Native Rabbit IgG Protein (Native) - LS-G37857
Rabbit IgG Native Rabbit IgG Protein (Native) (Full Length) - LS-G132045
Rabbit IgG Native Rabbit IgG Protein (Native) - LS-G11186
Rabbit IgG Fab Native Rabbit IgG Fab Protein (Native) (Full Length) - LS-G132063
Rabbit IgG Fc Native Rabbit IgG Fc Protein (Native) (Full Length) - LS-G132051
Rabbit IgM Native Rabbit IgM Protein (Native) - LS-G37634
Rat IgE Native Rat IgE Protein (Native) - LS-G37860
Rat IgG Native Rat IgG Protein (Native) - LS-G37861
Rat IgG Native Rat IgG Protein (Native) - LS-G11185
Rat IgG Native Rat IgG Protein (Native) (Full Length) - LS-G132070
Rat IgG Fab Native Rat IgG Fab Protein (Native) (Full Length) - LS-G132069
Rat IgG Fc Native Rat IgG Fc Protein (Native) (Full Length) - LS-G132052
Rat IgG1 Native Rat IgG1 Protein (Native) - LS-G37898
Rat IgM Native Rat IgM Protein (Native) - LS-G23794
Ribonuclease A / RNASE1 Native Bovine Ribonuclease A / RNASE1 Protein (Native) - LS-G37612
RuBisCO Native RuBisCO Protein (Native) (Full Length) - LS-G132064
S100B / S100 Beta Native Mouse S100B / S100 Beta Protein (Native His, N-Terminal) - LS-G132840
S100B / S100 Beta Native Rat S100B / S100 Beta Protein (Native His, N-Terminal) - LS-G132838
SERPINA7 / TBG Native SERPINA7 / TBG Protein (Native) - LS-G37619
SHBG Native Human SHBG Protein (Native) - LS-G37736
Sheep IgG Native Sheep IgG Protein (Native) - LS-G37876
Sheep IgG Native Sheep IgG Protein (Native) - LS-G11182
Sheep IgG Native Sheep IgG Protein (Native) (Full Length) - LS-G132046
Streptolysin O Native Streptolysin O Protein (Native) (Full Length) - LS-G132042
TF / Transferrin Native TF / Transferrin Protein (Native) (Full Length) - LS-G132075
TF / Transferrin Native Rat TF / Transferrin Protein (Native) (Full Length) - LS-G132076
TF / Transferrin Native TF / Transferrin Protein (Native) (Full Length) - LS-G132077
TF / Transferrin Native TF / Transferrin Protein (Native) (Full Length) - LS-G132078
TF / Transferrin Native TF / Transferrin Protein (Native) (Full Length) - LS-G132080
TF / Transferrin Native Human TF / Transferrin Protein (Native) - LS-G37775
TF / Transferrin Native Pig TF / Transferrin Protein (Native) - LS-G11219
TF / Transferrin Native TF / Transferrin Protein (Native) (Full Length) - LS-G132079
TF / Transferrin Native Human TF / Transferrin Protein (Native His, N-Terminal) - LS-G133094
TF / Transferrin Native Human TF / Transferrin Protein (Native) - LS-G11214
TF / Transferrin Native Bovine TF / Transferrin Protein (Native) - LS-G11217
TG / Thyroglobulin Native Bovine TG / Thyroglobulin Protein (Native) - LS-G23791
TG / Thyroglobulin Native Pig TG / Thyroglobulin Protein (Native) - LS-G23792
TG / Thyroglobulin Native Human TG / Thyroglobulin Protein (Native) - LS-G37773
TG / Thyroglobulin Native Bovine TG / Thyroglobulin Protein (Native) - LS-G37616
TG / Thyroglobulin Native Human TG / Thyroglobulin Protein (Native) - LS-G37617
TNNI / Troponin I Skeletal Native Human TNNI / Troponin I Skeletal Protein (Native) - LS-G37622
TNNT2 / CTNT Native Human TNNT2 / CTNT Protein (Native) - LS-G37623
Tenascin Native Human Tenascin Protein (Native) - LS-G37614
Trypsin Native Pig Trypsin Protein (Native His, N-Terminal) - LS-G132773
Trypsin Native Pig Trypsin Protein (Native) - LS-G37624
Ubiquitin Native Bovine Ubiquitin Protein (Native) - LS-G37625
fliC / Flagellin Native Salmonella typhimurium fliC / Flagellin Protein (Native) - LS-G3927
fliC / Flagellin Native fliC / Flagellin Protein (Native) - LS-G3883
Family of Companies
Site Links Home All Antibodies How To Buy All Proteins Distributors All ELISA & Assay Kits Reviews PathPlus™ Antibodies
Follow LSBio View Cart Register or Login
Copyright © 2022 LifeSpan BioSciences, Inc - Privacy Policy
Contact Us

2 Shaker Rd Suites
B001/B101
Shirley, MA 01464

Tel: +1 (206) 374-1102
Fax: +1 (206) 577-4565

To place an order:
Orders@LSBio.com

For questions about orders:
Customer.Support@LSBio.com

For technical assistance:
Technical.Support@LSBio.com