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Recombinant Human ICAM4 protein is a Human Fragment protein, in the 43 to 210 aa range, expressed in Escherichia coli, with >90% purity and suitable for SDS-PAGE.

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Key facts

Purity

>90% SDS-PAGE

Expression system

Escherichia coli

Tags

His-DHFR tag N-Terminus

Applications

SDS-PAGE

Biologically active

No

Reactivity data

Application

SDS-PAGE

Reactivity

Reacts

Dilution info

-

Notes

-

Target data

Function

ICAM proteins are ligands for the leukocyte adhesion protein LFA-1 (integrin alpha-L/beta-2). ICAM4 is also a ligand for alpha-4/beta-1 and alpha-V integrins.

Alternative names

Recommended products

Recombinant Human ICAM4 protein is a Human Fragment protein, in the 43 to 210 aa range, expressed in Escherichia coli, with >90% purity and suitable for SDS-PAGE.

Alternative names

Key facts

Purity

>90% SDS-PAGE

Expression system

Escherichia coli

Applications

SDS-PAGE

Accession
Q14773-1
Animal free

No

Species

Human

Reconstitution

Reconstitute with water to desired concentration.

Concentration
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Storage buffer

Constituents: 0.58% Sodium chloride, 0.32% Tris HCl

Sequence info

Amino acid sequence

Accession

Q14773

Protein length

Fragment

Predicted molecular weight

18.4 kDa

Amino acids

43 to 210

Nature

Recombinant

Tags

His-DHFR tag N-Terminus

Specifications

Form

Lyophilized

Additional notes

Purified via His tag

General info

Function

ICAM proteins are ligands for the leukocyte adhesion protein LFA-1 (integrin alpha-L/beta-2). ICAM4 is also a ligand for alpha-4/beta-1 and alpha-V integrins.

Sequence similarities

Belongs to the immunoglobulin superfamily. ICAM family.

Post-translational modifications

N- and O-glycosylated.

Storage

Shipped at conditions

Blue Ice

Appropriate long-term storage conditions

-20°C

Supplementary info

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

Activity summary

ICAM4 also known as CD242 functions as an intercellular adhesion molecule with a mass of approximately 42 kDa. It is mainly expressed on erythrocytes and plays a role in cell-cell adhesion. ICAM4 binds selectively with integrins especially those located on the surface of leukocytes and endothelial cells. This protein facilitates critical interactions that allow cells to communicate and engage with their environment efficiently.

Biological function summary

The protein enables erythrocytes to adhere to vascular endothelium by interacting with other molecules such as integrins. It acts independently and not as part of a larger protein complex. ICAM4 serves as an inherent mediator in maintaining the stability and flexibility of red blood cells during circulation ensuring these cells can navigate through capillaries without significant issues.

Pathways

The process of erythrocyte adhesion involves ICAM4's interaction in the immune response system. Particularly it takes part in pathways connected to cell adhesion and signaling that influence leukocyte-endothelial interaction. Proteins like LFA-1 and Mac-1 specific integrins associate with ICAM4 playing essential parts in immunological functions that determine cell adhesion dynamics.

Associated diseases and disorders

ICAM4 holds an association with sickle cell disease a genetic disorder affecting hemoglobin in erythrocytes. Abnormal adhesion properties linked to ICAM4 exacerbate vascular occlusion contributing to the pathology of the condition. ICAM4 may also relate to malaria as the altered binding interactions impact the sequestration of parasitized erythrocytes. In these disease settings interactions with proteins like integrins contribute significantly to their pathological manifestations.

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