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AB316534

Recombinant Human LAMP2 Protein Standard

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Recombinant Human LAMP2 Protein Standard is a Human Fragment protein, expressed in HEK 293 cells, with >80%, suitable for SDS-PAGE, sELISA.

View Alternative Names

CD107b, Lysosome-associated membrane glycoprotein 2, LAMP-2, Lysosome-associated membrane protein 2, CD107 antigen-like family member B, LGP-96, LAMP2

2 Images
Sandwich ELISA - Recombinant Human LAMP2 Protein Standard (AB316534)
  • sELISA

Supplier Data

Sandwich ELISA - Recombinant Human LAMP2 Protein Standard (AB316534)

Sandwich ELISA with the capture antibody dilution at 2 µg/mL and detector antibody dilution at 0.5 µg/mL.

SDS-PAGE - Recombinant Human LAMP2 Protein Standard (AB316534)
  • SDS-PAGE

Supplier Data

SDS-PAGE - Recombinant Human LAMP2 Protein Standard (AB316534)

SDS-PAGE analysis of ab316534 under reducing conditions for 2ug protein.

Key facts

Purity

>80% SDS-PAGE

Expression system

HEK 293 cells

Tags

Tag free

Applications

sELISA, SDS-PAGE

applications

Biologically active

No

Accession

P13473

Animal free

Yes

Carrier free

No

Species

Human

Storage buffer

pH: 7.3 - 7.5 Constituents: 2.922% Sodium chloride, 0.64107% disodium;hydrogen phosphate;dodecahydrate, 0.02858% Potassium phosphate monobasic

storage-buffer

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "SDS-PAGE": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "sELISA": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

Product details

While the standard is the same as the one provided in the corresponding SimpleStep ELISA Kit, it cannot be treated as the consumable provided with our SimpleStep ELISA Kit due to differences in its concentration calibration.

Abcam guarantee that this protein standard is suitable for use in a sandwich ELISA. Individual results may vary due to differences in technique, laboratory equipment, buffers, and other experimental factors. The detection range provided for this protein standard is based on initial sandwich ELISA validation data.

The protein concentration is the concentration after validation on our sandwich ELISA platform. This Standard protein is guaranteed to work with our Capture and Detector antibodies in sELISA. Please contact our Scientific Support team to know which antibody pair is suitable for this protein.

Sequence info

[{"sequence":null,"proteinLength":"Fragment","predictedMolecularWeight":"38 kDa","actualMolecularWeight":null,"aminoAcidEnd":0,"aminoAcidStart":0,"nature":"Recombinant","expressionSystem":null,"accessionNumber":"P13473","tags":[]}]

Properties and storage information

Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
-80°C
Appropriate long-term storage conditions
-80°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
False

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

LAMP2 also known as CD107b is an important protein found in the lysosomal membrane. It plays a significant role in lysosome function facilitating autophagy and the degradation of cellular debris. LAMP2 proteins are expressed in most tissues especially in tissues with high lysosomal activity like the liver kidney and heart. The LAMP2 molecule has a molecular weight of approximately 45 kDa. Researchers frequently use LAMP2 staining and LAMP2 marker to study its cellular localization and expression levels.
Biological function summary

LAMP2 is essential for the normal fusion of lysosomes with autophagosomes. This process ensures the recycling of cellular components and maintenance of cellular homeostasis. LAMP2 acts in conjunction with other members of the lysosome-associated membrane protein family LAMP1 and LAMP3 forming part of a larger complex. This interaction is fundamental in managing the degradation pathways within the cell supporting processes such as lipid metabolism and protein turnover.

Pathways

The activity of LAMP2 is critical in the autophagic and degradation pathways within the cell. It particularly interacts in the autophagy-lysosome pathway where it aids the clearance of damaged organelles and protein aggregates. LAMP2 interaction with proteins such as the autophagy-related protein LC3 helps this degradation process. Additionally LAMP2 plays a role in endocytic pathways linking it to proteins involved in vesicle trafficking and membrane fusion.

Mutations or deficiencies in LAMP2 are associated with Danon disease a type of lysosomal storage disorder. Patients with Danon disease exhibit symptoms such as cardiomyopathy skeletal myopathy and intellectual disabilities. LAMP2 is also implicated in other lysosomal disorders with a connection to the malfunction of autophagy processes. Its dysfunction is often linked with proteins responsible for cellular degradation affecting the normal homeostatic balance and leading to the accumulation of autophagic substrates.

Specifications

Form

Liquid

General info

Function

The protein expressed by gene LAMP2 plays an important role in chaperone-mediated autophagy, facilitating the lysosomal degradation of proteins in response to various stresses and as part of normal protein turnover, especially for those with a long biological half-life. It functions by binding target proteins like GAPDH and MLLT11, directing them for lysosomal degradation, and is necessary for the fusion of autophagosomes with lysosomes during autophagy. Although cells lacking LAMP2 express normal VAMP8 levels, they fail to accumulate STX17 on autophagosomes, likely explaining the fusion failure between autophagosomes and lysosomes. LAMP2 is essential for the normal degradation of autophagosomal contents and efficient MHCII-mediated presentation of exogenous antigens, as it facilitates lysosomal protein degradation. It is not required for the presentation of endogenous antigens via MHCII. Specifically, isoform LAMP-2C modulates chaperone-mediated autophagy, reduces presentation of endogenous antigens by MHCII, and does not influence the presentation of exogenous and membrane-derived antigens by MHCII. This supplementary information is collated from multiple sources and compiled automatically.

Sequence similarities

Belongs to the LAMP family.

Post-translational modifications

O- and N-glycosylated; some of the 16 N-linked glycans are polylactosaminoglycans.

Subcellular localisation

Endosome membrane

Product protocols

Target data

The protein expressed by gene LAMP2 plays an important role in chaperone-mediated autophagy, facilitating the lysosomal degradation of proteins in response to various stresses and as part of normal protein turnover, especially for those with a long biological half-life. It functions by binding target proteins like GAPDH and MLLT11, directing them for lysosomal degradation, and is necessary for the fusion of autophagosomes with lysosomes during autophagy. Although cells lacking LAMP2 express normal VAMP8 levels, they fail to accumulate STX17 on autophagosomes, likely explaining the fusion failure between autophagosomes and lysosomes. LAMP2 is essential for the normal degradation of autophagosomal contents and efficient MHCII-mediated presentation of exogenous antigens, as it facilitates lysosomal protein degradation. It is not required for the presentation of endogenous antigens via MHCII. Specifically, isoform LAMP-2C modulates chaperone-mediated autophagy, reduces presentation of endogenous antigens by MHCII, and does not influence the presentation of exogenous and membrane-derived antigens by MHCII. This supplementary information is collated from multiple sources and compiled automatically.
See full target information LAMP2

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