Peptide Epitopes

Custom Peptide Synthesis

Peptide epitopes refer to specific amino acid sequences within a polypeptide chain can be specifically recognized and bound by immune receptors. They hold significant value in vaccine design and antibody production for their critical role in triggering immune responses by antibody and T cell receptor recognition.

Tag Peptides (34)

Peptide Epitopes (398):

Cat. No.	Product Name	CAS No.	Purity	Chemical Structure

3X FLAG peptide	402750-12-3	99.97%
3X FLAG peptides are FLAG-tagged peptides containing three repeats of the Asp-Tyr-Lys-Xaa-Xaa-Asp motif. 3X FLAG peptide can be used for protein separation and purification, and competitive elution with target proteins.

OVA Peptide(257-264)	138831-86-4	99.65%
OVA Peptide(257-264) is a class I (Kb)-restricted peptide epitope of OVA, an octameric peptide can be from ovalbumin presented by the class I MHC molecule, H-2Kb.

OVA Peptide (323-339)	92915-79-2	99.98%
OVA Peptide (323-339) represents a T and B cell epitope of Ovalbumin (Ova), which is important in the generation and development of immediate hypersensitivity responses in BALB/c mice.

FLAG peptide	98849-88-8	99.30%
FLAG peptide is a multifunctional fusion tag for the purification of recombinant proteins. FLAG peptide maintances the natural folding of its fusing proteins. FLAG peptide can be removed by enterokinase, and eluted under non-denaturing conditions.

HA Peptide	92000-76-5	99.95%
HA Peptide (HA tag) is a nine amino acids peptide derived from the human influenza hemagglutinin (HA). HA Peptide is extensively used to isolate, purify, detect, and track the protein of interest in cell biology and biochemistry.

Cys-flag peptide	1165821-46-4
Cys-flag peptide (CDYKDDDDK) is a FLAG tag peptide containing cysteine. Cys-flag peptide has a targeted interaction for protein purification and detection. Cys-flag peptide can be used for the research of neurological disease, such as Alzheimer’s disease.

MOG (35-55) mouse, rat	149635-73-4	99.73%
MOG (35-55) mouse, rat (Myelin Oligodendrocyte Glycoprotein Peptide (35-55), mouse, rat) is a minor component of CNS myelin. MOG (35-55) mouse, rat has encephalitogenic activity and induces T cell proliferative. MOG (35-55) mouse, rat induces Th1 cytokine response as well as relatively high levels of IgG antibodies. MOG (35-55) mouse, rat produces a relapsing-remitting neurological disease with extensive plaque-like demyelination. MOG (35-55) mouse, rat (MOG (35-55)) can be used for experimental autoimmune encephalomyelitis (EAE) modeling.

Myosin H Chain Fragment, mouse		99.92%
Myosin H Chain Fragment, mouse is a fragment of the α-Myosin heavy chain peptide. Myosin H Chain Fragment can be used to induce experimental autoimmune myocarditis (EAM) mouse model.

3X FLAG peptide TFA		99.79%
3X FLAG peptide TFA is a FLAG-tagged peptide containing three repeats of the Asp-Tyr-Lys-Xaa-Xaa-Asp motif. 3X FLAG peptide TFA can be used for protein separation and purification, and competitive elution with target proteins.

OVA Peptide(257-264) TFA	1262751-08-5	99.91%
OVA Peptide(257-264) TFA is a class I (Kb)-restricted peptide epitope of OVA, an octameric peptide can be from ovalbumin presented by the class I MHC molecule, H-2Kb.

MOG(35-55) amide, mouse, rat	2022956-48-3	99.88%
MOG (35-55) amide, mouse, rat the terminal amidation form of the 35-55 fragment of the myelin oligodendrocyte glycoprotein (MOG) immunogenic peptide (MOG (35-55) (HY-P1240)). MOG(35-55) amide, mouse, rat can be used for experimental autoimmune encephalomyelitis (EAE) modeling.

Hexa-His	64134-30-1	99.84%
Hexa-His (6X His Tag) is a commonly used affinity tag made up of six histidine residues. HEXA-HIS can bind to affinity chromatography media containing transition metal ions like nickel (Ni²⁺) or cobalt (Co²⁺), making it useful for protein purification.

GluN1(356-385)		99.95%
GluN1 (356-385) is a polypeptide targeting NMDAR GluN1. GluN1 (356-385) induces the production of autoantibodies, which reduce the density of cell surface NMDAR clusters, impair long-term potentiation, and decrease NMDAR-mediated Ca²⁺ influx. As an immunogen, GluN1 (356-385) induces symptoms similar to anti-NMDAR encephalitis, including memory loss, in mice. GluN1 (356-385) can be used to establish a mouse model that mimics the pathogenesis of anti-NMDAR encephalitis. GluN1 (356-385) is applicable to research related to anti-NMDAR encephalitis.

MOG (35-55) TFA		99.68%
MOG (35-55) (MOG (35-55)) TFA is a minor component of CNS myelin. MOG (35-55) (TFA) has encephalitogenic activity and induces T cell proliferative. MOG (35-55) (TFA) induces Th1 cytokine response as well as relatively high levels of IgG antibodies. MOG (35-55) (TFA) produces a relapsing-remitting neurological disease with extensive plaque-like demyelination. MOG (35-55) (MOG (35-55)) TFA can be used for experimental autoimmune encephalomyelitis (EAE) modeling.

LCMV gp33-41	151705-84-9	99.56%
LCMV gp33-41, the carboxyl-extended 9-aa-long peptide, is an lymphocytic choriomeningitis virus sequence restricted by MHC class I H-2Db molecules and presented to cytotoxic T lymphocytes.

3X HA Tag		99.87%
3X HA Tag is a biological active peptide. (This tag peptide may be used to detect proteins and peptides, and to facilitate functional analysis of proteins of interest.)

IRBP(651-670) human, mouse	1977546-93-2	99.64%
IRBP (651-670) human, mouse is an epitope and uveitis inducer naturally processed from the conserved region of native IRBP. IRBP (651-670) human, mouse increases the levels of proinflammatory cytokines in ocular tissues (IL-1β, IL-6, TNFα, IL-17A and IL-17F). IRBP (651-670) human, mouse is a IRBP fragment conserved among human, mouse and bovine species. IRBP (651-670) human, mouse induces experimental autoimmune uveitis. IRBP (651-670) human, mouse is applicable to research related to experimental autoimmune uveitis.

MOG (35-55) acetate		99.86%
MOG (35-55) (Myelin Oligodendrocyte Glycoprotein Peptide (35-55), mouse, rat) acetate is a minor component of CNS myelin. MOG (35-55) (acetate) has encephalitogenic activity and induces T cell proliferative. MOG (35-55) (acetate) induces Th1 cytokine response as well as relatively high levels of IgG antibodies. MOG (35-55) (acetate) produces a relapsing-remitting neurological disease with extensive plaque-like demyelination. MOG (35-55) (Myelin Oligodendrocyte Glycoprotein Peptide (35-55), mouse, rat) acetate can be used for experimental autoimmune encephalomyelitis (EAE) modeling.

AChRα(97-116)	663154-30-1	99.41%
AChRα(97-116) is a synthetic peptide corresponding to the 97-116 region of the rat acetylcholine receptor α-subunit, and also an inducer of autoimmune diseases. AChRα(97-116) can be used in studies related to experimental autoimmune myasthenia gravis.

LCMV GP (61-80)	232598-19-5	99.80%
LCMV GP (61-80) is a peptide fragment derived from lymphocytic choriomeningitis virus (LCMV) glycoprotein (GP), and corresponds to amino acids 61-80. LCMV GP (61-80) is a specific epitope which can induce CD4⁺ T-cell response.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01
Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

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