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Synonyms
HLA class II histocompatibility antigen gamma chain isoform b, DHLAG, HLADG, Ia-GAMMA, II
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Alternative_names
HLA class II histocompatibility antigen gamma chain isoform b, DHLAG, HLADG, Ia-GAMMA, II
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Description
A transmembrane protein present on APCs with chaperoning functions.
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Recombinant
Yes
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Source
E. coli
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Purity by SDS PAGE
≥90%
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Assay
SDS-PAGE
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Endotoxin Level
< 1.0 EU per 1 microgram of protein
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Molecular Weight
20.6 kDa (183 aa, 73-232 aa + His tag), confirmed by MALDI-TOF.
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Storage Temp
-80°C
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Shipping
Dry Ice
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Shelf Life
12 months
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Concentration
0.5 mg/ml
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Appearance
Liquid
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Physical form description
0.5 mg/ml in 20 mM Tris-HCl buffer (pH 8.0) containing 0.1 M NaCl, 1 mM DTT and 30% glycerol.
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Background Information
HLA class II histocompatibility antigen gamma chain isoform b, also known as CD74, is a transmembrane protein which, on antigen presenting cells, is the invariant chain that chaperones MHC class II dimers from the endoplasmic reticulum to the cell surface. CD74 is expressed by cells of both T lymphocyte and B lymphocyte lineages. It is upregulated in several cancers and is also expressed by nonimmune cells during inflammation. Recombinant human CD74 protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques.
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Amino acid sequence
MGSSHHHHHH SSGLVPRGSH MGSQQQGRLD KLTVTSQNLQ LENLRMKLPK PPKPVSKMRM ATPLLMQALP MGALPQGPMQ NATKYGNMTE DHVMHLLQNA DPLKVYPPLK GSFPENLRHL KNTMETIDWK VFESWMHHWL LFEMSRHSLE QKPTDAPPKE SLELEDPSSG LGVTKQDLGP VPM
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Handling
Centrifuge the vial prior to opening.
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Usage
For Research Use Only! Not to be used in humans
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Properties
Human proteins, cDNA and human recombinants are used in human reactive ELISA kits and to produce anti-human mono and polyclonal antibodies. Modern humans (Homo sapiens, primarily ssp. Homo sapiens sapiens). Depending on the epitopes used human ELISA kits can be cross reactive to many other species. Mainly analyzed are human serum, plasma, urine, saliva, human cell culture supernatants and biological samples.
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Additional source
Recombinants or rec. proteins
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Group
recombinants
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Gene target
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Gene symbol
CD74
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Short name
CD74, recombinant
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Technique
Recombinant, E. coli recombinant proteins are genetic recombinations in Escherichia coli, supplied as white sterile powder lyopillized. Biovision advises they will be reconstituted in a buffer soluion or culture medium for cell culture.
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Species
Human, Humans
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Alternative name
CD74 molecule, major histocompatibility complex, class II invariant chain, H. sapiens Rec.
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Alternative technique
rec
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Alternative to gene target
CD74 molecule, major histocompatibility complex, class II invariant chain, DHLAG and HLADG and Ia-GAMMA and II, CD74 and IDBG-53594 and ENSG00000019582 and 972, MHC class II protein binding, Cell surfaces, Cd74 and IDBG-150302 and ENSMUSG00000024610 and 16149, BT.46809 and IDBG-646288 and ENSBTAG00000015228 and 613384
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