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Merck
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Key Documents

C4982

Sigma-Aldrich

Cytochrome P450 human

3A4 isozyme microsomes, with P450 reductase and cytochrome b5, recombinant, expressed in baculovirus infected insect cells (BTI-TN-5B1-4)

동의어(들):

Cytochrome P450 enzyme, Human cytochrome P450, P450 enzyme

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About This Item

효소 위원회 번호:
MDL number:
UNSPSC 코드:
12161501
NACRES:
NA.47

생물학적 소스

human

Quality Level

재조합

expressed in baculovirus infected insect cells (BTI-TN-5B1-4)

형태

solution

분자량

45-60 kDa

포장

vial of ~0.5 nmol
vial of ≥25 units

농도

≥2 mg/mL (Bichinchonic acid method)

기술

co-immunoprecipitation (co-IP): suitable

solubility

water: soluble

적합성

suitable for molecular biology

UniProt 수납 번호

응용 분야

cell analysis

배송 상태

dry ice

저장 온도

−70°C

유전자 정보

human ... CYP3A4(1576)

유사한 제품을 찾으십니까? 방문 제품 비교 안내

일반 설명

Research area: IMMUNO AND CKS

Cytochrome P450 (CYP450) is a membrane-bound hemoprotein that constitutes a vast superfamily of heme-thiolate proteins engaged in the metabolism of exogenous and endogenous compounds. These CYP450 enzymes feature an active heme iron center that is bound to a protein molecule via a highly conserved cysteine thiolate ligand.

애플리케이션

Cytochrome P450 human has been used in in vitro binding assays to understand protein dimerization via haem–haem stacking and its significance in cancer. It has also been used to study in vitro binding between PGRMC1 and CYP3A4.

생화학적/생리학적 작용

Cytochrome P450 (CYP) enzymes are associated with many reactions including O-dealkylation, epoxidation, S-oxidation, and hydroxylation.
Cytochrome P450 is a heterogeneous family of isozymes whose primary function is to oxidize small molecules, both as a function of intermediary metabolism (e.g., fatty acids) and to detoxify exogenous compounds (drugs or toxins). Some isoforms have narrow substrate specificity, while others are promiscuous. The CYP1A1 isoform catalyzes 7-deethylation of ethoxyresorufin. Cytochrome P450 (CYP) plays an important role in detoxifying xenobiotics, cellular metabolism and homeostasis. One of the main mechanisms of drug-drug interactions is the induction or inhibition of these enzymes. CYP enzymes are transcriptionally activated by a variety of xenobiotics and by endogenous substrates via receptor-dependent pathways. Inhibition of these enzymes is a major factor in metabolism-based drug-drug interactions, and many chemotherapeutic medications can cause drug interactions by either inhibiting or inducing the cytochrome p450 enzyme system.

기타 정보

Microsomes containing recombinant human CYP3A4 and recombinant rabbit NADPH-P450 reductase

단위 정의

One unit will convert 1 nanomole of testosterone to 6β-hydroxytestosterone per minute at pH 7.4 at 37 °C.

물리적 형태

Solution in 100 mM potassium phosphate buffer, pH 7.4.

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


시험 성적서(COA)

제품의 로트/배치 번호를 입력하여 시험 성적서(COA)을 검색하십시오. 로트 및 배치 번호는 제품 라벨에 있는 ‘로트’ 또는 ‘배치’라는 용어 뒤에서 찾을 수 있습니다.

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문서 라이브러리 방문

Yasuaki Kabe et al.
Cancers, 13(13) (2021-07-03)
Progesterone receptor membrane component 1 (PGRMC1) is highly expressed in various cancer cells and contributes to tumor progression. We have previously shown that PGRMC1 forms a unique heme-stacking functional dimer to enhance EGF receptor (EGFR) activity required for cancer proliferation
Andreia Palmeira et al.
Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques, 15(1), 31-45 (2012-03-01)
Aminated thioxanthones have recently been described as dual-acting agents: growth inhibitors of leukemia cell lines and P-glycoprotein (P-gp) inhibitors. To evaluate the selectivity profile of thioxanthones as inhibitors of multidrug resistance (MDR), their interaction with other ABC transporters, which were
Yasuaki Kabe et al.
Nature communications, 7, 11030-11030 (2016-03-19)
Progesterone-receptor membrane component 1 (PGRMC1/Sigma-2 receptor) is a haem-containing protein that interacts with epidermal growth factor receptor (EGFR) and cytochromes P450 to regulate cancer proliferation and chemoresistance; its structural basis remains unknown. Here crystallographic analyses of the PGRMC1 cytosolic domain
Xiangrong Zhang et al.
PloS one, 9(4), e94962-e94962 (2014-04-17)
The present study characterized in vitro metabolites of 20(R)-25-methoxyl-dammarane-3β, 12β, 20-triol (20(R)-25-OCH3-PPD) in mouse, rat, dog, monkey and human liver microsomes. 20(R)-25-OCH3-PPD was incubated with liver microsomes in the presence of NADPH. The reaction mixtures and the metabolites were identified
Mirza Bojić et al.
Drug metabolism and disposition: the biological fate of chemicals, 42(9), 1438-1446 (2014-07-06)
Cilengitide is a stable cyclic pentapeptide containing an Arg-Gly-Asp motif responsible for selective binding to αVβ3 and αVβ5 integrins. The candidate drug showed unexpected inhibition of cytochrome P450 (P450) 3A4 at high concentrations, that is, a 15-mM concentration caused attenuation

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