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MICB

CAT: 0209-101-M570Size: 50 µgDry Ice: NoHazardous: No
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CAT#:0209-101-M570Size:50 µg
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Description
MICB (MHC class I chainrelated gene B) is a transmembrane glycoprotein that functions as a ligand for NKG2D. A closely related protein, MICA, shares 85% amino acid identity with MICB. These 2 proteins are distantly related to the MHC class I proteins. MICA and MICB (MICA/B) possess three extracellular immunoglobulinlike domains, but have no capacity to bind peptide or interact with β2microglobulin. The genes encoding MICA/B are found within the major histocompatibility complex on human chromosome 6. The MICB locus is polymorphic with more than 15 recognized human alleles. MICA/B are minimally expressed on normal cells, but are frequently expressed on epithelial tumors and can be induced by bacterial and viral infections. MICA/B are ligands for NKG2D, an activating receptor expressed on NK cells, NKT cells, γδ T cells, and CD8+ αβ T cells. Recognition of MICA/B by NKG2D results in the activation of cytolytic activity and/or cytokine production by these effector cells. MICA/B recognition is involved in tumor surveillance, viral infections, and autoimmune diseases. The release of soluble forms of MICA/B from tumors down regulates NKG2D surface expression on effector cells resulting in the impairment of ant-itumor immune response .
Synonyms
MICB; PERB11.2
NCBI Gene ID
4277
UniProt
Q29980
Accession Number
NP_005922.2
Accession Number mRNA
NM_005931.3
Chromosomal Location
6p21.3
Reactivity
Anti-Human
Cross Reactivity
Human
Target Antigen
Recombinant human MICB
Clone
(#3C37)
Applications
WB, FC
Purification Method
Protein G chromatography
Assay Protocol
Centrifuge vial prior to opening. Reconstitute the antibody with 500 µl sterile PBS and the final concentration is 200 µg/ml.
Form
Lyophilized
Buffer
PBS
Reconstitution
PBS
Storage Conditions
Lyophilized samples are stable for 2 years from date of receipt when stored at -20°C. Reconstituted antibody can be aliquoted and stored frozen at < -20°C for at least six months without detectable loss of activity.
Host or Source
Mouse
Isotype
IgG2

UniProtKB · Q29980

MHC class I polypeptide-related sequence B

MICB_HUMAN · Homo sapiens

View on UniProt ↗
Primary accession
Q29980
Review status
UniProtKB reviewed (Swiss-Prot)
Gene
MICB
Protein existence
1: Evidence at protein level
Organism
Homo sapiens (Human)
Taxonomy ID
9606
Alternative names
MIC-B
EC number
—
Processing
Precursor
Secondary accessions
A2AC57, A6NP85, B0UZ10, B2RAK2, O14499, O14500, O19798, O19799, O19800, O19801, O19802, O19803, O78099, O78100, O78101, O78102, O78103, O78104, P79525, P79541, Q5GR31, Q5GR37, Q5GR41, Q5GR42, Q5GR43, Q5GR44, Q5GR46, Q5GR48, Q5RIY6, Q5SSK1, Q5ST25, Q7JK51, Q7YQ89, Q861E6, Q9MY18, Q9MY19, Q9MY20, Q9UBH4, Q9UBZ8, Q9UEJ0, X6R344
Protein keywords

Technical term

3D-structureProteomics identificationReference proteome

Biological process

Adaptive immunityCytolysisHost-virus interactionImmunity

Coding sequence diversity

Alternative splicing

Cellular component

Cell membraneMembrane

PTM

Disulfide bondGlycoprotein

Domain

Immunoglobulin domainSignalTransmembraneTransmembrane helix