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Merck
모든 사진(1)

문서

SRP3150

Sigma-Aldrich

sCD23 human

recombinant, expressed in E. coli, ≥96% (SDS-PAGE), ≥96% (HPLC), suitable for cell culture

동의어(들):

BLAST-2, CD23 antigen, Fc-epsilon-RII, Lymphocyte IgE receptor

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About This Item

UNSPSC 코드:
12352202
NACRES:
NA.32

생물학적 소스

human

재조합

expressed in E. coli

분석

≥96% (HPLC)
≥96% (SDS-PAGE)

형태

lyophilized

분자량

19.2 kDa

포장

pkg of 20 μg

기술

cell culture | mammalian: suitable

불순물

<0.1 EU/μg endotoxin, tested

색상

white

UniProt 수납 번호

배송 상태

wet ice

저장 온도

−20°C

유전자 정보

human ... FCER2(2208)

일반 설명

CD23, the low affinity receptor for IgE, belongs to the C-type lectin structural family and plays a role in the regulation of IgE synthesis and IgE mediated activities. It is found both as a transmembrane receptor protein and in a soluble form, which is generated by proteolytic cleavage of membrane bound CD23. The predominant soluble form of CD23 (sCD23) consists of 172 amino acids corresponding to the extracellular domain of the full length precursor. sCD23, in addition to binding IgE, also exerts a number of IgE independent activities, such as promoting the activation and differentiation of B-cells and stimulating the release of pro-inflammatory cytokines from monocytes. Recombinant human sCD23 is a 19.2 kDa non-glycosylated protein containing 172 amino-acid residues.

생화학적/생리학적 작용

CD23, the low affinity receptor for IgE, belongs to the C-type lectin structural family and plays a role in the regulation of IgE synthesis and IgE mediated activities. Recombinant human sCD23 is a 19.2 kDa non-glycosylated protein containing 172 amino-acid residues.

서열

MELQVSSGFV CNTCPEKWIN FQRKCYYFGK GTKQWVHARY ACDDMEGQLV SIHSPEEQDF LTKHASHTGS WIGLRNLDLK GEFIWVDGSH VDYSNWAPGE PTSRSQGEDC VMMRGSGRWN DAFCDRKLGA WVCDRLATCT PPASEGSAES MGPDSRPDPD GRLPTPSAPL HS

물리적 형태

Lyophilized from 0.5x PBS, pH 8.0.

재구성

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


시험 성적서(COA)

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문서 라이브러리 방문

A Saxon et al.
The Journal of allergy and clinical immunology, 86(3 Pt 1), 333-344 (1990-09-01)
The role of soluble fragments of CD23 and their relationship to interleukin-4 (IL-4) in the in vitro production of IgE by normal human peripheral blood mononuclear cells was examined. Most donors' cells were induced to produce IgE in vitro by
G Delespesse et al.
International archives of allergy and applied immunology, 90 Suppl 1, 41-44 (1989-01-01)
The low-affinity receptor for IgE (FcERII or CD23) is a membrane 45-kD glycoprotein which is cleaved by an autoproteolytic mechanism into soluble 37-, 33- and 25-kD fragments that are capable of binding to IgE (IgE-binding factors, IgE-BFs). FcERIIa (which is

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