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AB316616

Recombinant Human COMP Protein Standard (His tag)

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

View Alternative Names

Cartilage oligomeric matrix protein, COMP, Thrombospondin-5, TSP5

2 Images
Sandwich ELISA - Recombinant Human COMP Protein Standard (His tag) (AB316616)
  • sELISA

Supplier Data

Sandwich ELISA - Recombinant Human COMP Protein Standard (His tag) (AB316616)

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

SDS-PAGE - Recombinant Human COMP Protein Standard (His tag) (AB316616)
  • SDS-PAGE

Supplier Data

SDS-PAGE - Recombinant Human COMP Protein Standard (His tag) (AB316616)

SDS-PAGE analysis of ab316616 under reducing conditions for 2ug protein.

Key facts

Purity

>80% SDS-PAGE

Expression system

HEK 293 cells

Tags

His tag C-Terminus

Applications

sELISA, SDS-PAGE

applications

Biologically active

No

Accession

P49747

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":"50.5 kDa","actualMolecularWeight":null,"aminoAcidEnd":0,"aminoAcidStart":0,"nature":"Recombinant","expressionSystem":"HEK 293 cells","accessionNumber":"P49747","tags":[{"tag":"His","terminus":"C-Terminus"}]}]

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.

The Cartilage Oligomeric Matrix Protein (COMP) also known as oligomeric protein or COMP cartilage protein is a structural component found in the extracellular matrix of cartilage tissues. This matrix protein has a mass of approximately 524 kDa and is predominantly expressed in cartilage particularly hyaline cartilage. COMP forms pentameric structures which make it an important supporting element in the stability and resilience of cartilage. Researchers often use techniques like COMP ELISA to quantify its levels in biological samples.
Biological function summary

COMP interacts with other extracellular matrix components to enhance structural integrity and function of cartilage tissue. It performs significant roles in the organization and maintenance of the matrix tethering fibrillar proteins and supporting cellular interaction. COMP is not typically part of a large complex but works closely with collagens and other matrix proteins to form a robust and flexible extracellular environment.

Pathways

COMP participates in pathways associated with cartilage formation and turnover. It engages in chondrocyte-mediated processes that are vital for endochondral ossification and cartilage repair. Within these pathways it interacts with proteins such as collagen type II and decorin which facilitate the organization and mineralization of cartilage matrix. These interactions highlight the protein's importance in maintaining cartilage architecture and function.

COMP plays a role in chondrodysplasias and osteoarthritis. Mutations in the COMP gene can lead to skeletal disorders like pseudoachondroplasia and multiple epiphyseal dysplasia causing growth and developmental anomalies. In osteoarthritis alterations in COMP levels may serve as an indicator of cartilage degradation. COMP's relationships with proteins like aggrecan and matrilin-3 in these contexts highlight its involvement in pathologies that affect cartilage structure and health.

Specifications

Form

Liquid

General info

Function

Plays a role in the structural integrity of cartilage via its interaction with other extracellular matrix proteins such as the collagens and fibronectin. Can mediate the interaction of chondrocytes with the cartilage extracellular matrix through interaction with cell surface integrin receptors (PubMed : 16051604, PubMed : 16542502). Could play a role in the pathogenesis of osteoarthritis (PubMed : 16542502). Potent suppressor of apoptosis in both primary chondrocytes and transformed cells. Suppresses apoptosis by blocking the activation of caspase-3 and by inducing the IAP family of survival proteins (BIRC3, BIRC2, BIRC5 and XIAP) (PubMed : 17993464). Essential for maintaining a vascular smooth muscle cells (VSMCs) contractile/differentiated phenotype under physiological and pathological stimuli. Maintains this phenotype of VSMCs by interacting with ITGA7 (By similarity).

Sequence similarities

Belongs to the thrombospondin family.

Product protocols

Target data

Plays a role in the structural integrity of cartilage via its interaction with other extracellular matrix proteins such as the collagens and fibronectin. Can mediate the interaction of chondrocytes with the cartilage extracellular matrix through interaction with cell surface integrin receptors (PubMed : 16051604, PubMed : 16542502). Could play a role in the pathogenesis of osteoarthritis (PubMed : 16542502). Potent suppressor of apoptosis in both primary chondrocytes and transformed cells. Suppresses apoptosis by blocking the activation of caspase-3 and by inducing the IAP family of survival proteins (BIRC3, BIRC2, BIRC5 and XIAP) (PubMed : 17993464). Essential for maintaining a vascular smooth muscle cells (VSMCs) contractile/differentiated phenotype under physiological and pathological stimuli. Maintains this phenotype of VSMCs by interacting with ITGA7 (By similarity).
See full target information COMP

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