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Merck
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문서

71028

Sigma-Aldrich

Monobromo(trimethylammonio)bimane bromide

suitable for fluorescence, ≥90.0% (HPLC)

동의어(들):

(Trimethylammonio)monobromobimane, 5-(Bromomethyl)-N,N,N,2,6-pentamethyl-1,7-dioxo-1H,7H-pyrazolo[1,2-a]pyrazole-3-methanaminium bromide, Brombimane q, Thiolye MQ, qBBr

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About This Item

실험식(Hill 표기법):
C13H19Br2N3O2
CAS Number:
71418-45-6
Molecular Weight:
409.12
Beilstein:
4630658
MDL number:
MFCD00036953
UNSPSC 코드:
12171500
PubChem Substance ID:
57652269
NACRES:
NA.32

분석

≥90.0% (HPLC)

형태

powder

solubility

DMSO: 5 mg/mL

형광

λex 380 nm; λem 475 nm in 0.1 M phosphate pH 7.5

적합성

suitable for fluorescence

저장 온도

2-8°C

SMILES string

[Br-].CC1=C(CBr)N2N(C1=O)C(=O)C(C)=C2C[N+](C)(C)C

InChI

1S/C13H19BrN3O2.BrH/c1-8-10(6-14)15-11(7-17(3,4)5)9(2)13(19)16(15)12(8)18;/h6-7H2,1-5H3;1H/q+1;/p-1

InChI key

FCRPMMVPBVOKQS-UHFFFAOYSA-M

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생화학적/생리학적 작용

Monobromobimanes are essentially nonfluorescent until conjugated and readily react with low molecular weight thiols. Unlike common monobromobimanes, this carries a positive charge, thus permitting separation of conjugates by electrophoresis or cation-exchange chromatography

포장

Bottomless glass bottle. Contents are inside inserted fused cone.

기타 정보

Reagent for labeling thiols in biol. materials

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)

시험 성적서(COA)

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문서 라이브러리 방문

Conformational changes in mitochondrial aspartate aminotransferase detected by a covalently attached fluorescent probe.
E Sandmeier et al.
Progress in clinical and biological research, 144B, 117-124 (1984-01-01)
K E Mate et al.
Molecular reproduction and development, 37(3), 318-325 (1994-03-01)
The acrosome of marsupial spermatozoa is a robust structure which, unlike its placental counterpart, resists disruption by detergent or freeze/thawing and does not undergo a calcium ionophore induced acrosome reaction. In this study specific fluorescent thiol labels, bromobimanes, were used
T T Huang et al.
Biology of reproduction, 31(4), 797-809 (1984-11-01)
The distribution of thiols and disulfides in the guinea pig spermatozoon during maturation and capacitation was studied using both membrane-permeable (mBBr) and impermeable (qBBr) forms of bromobimane, a specific fluorescent probe for thiol groups. In conjunction with the disulfide (SS)-reducing
S X Yuan et al.
FEBS letters, 234(1), 218-222 (1988-07-04)
The single cysteinyl residue 26 of spinach calmodulin was labelled with the thiol-specific bimane fluorescence probe. Following application of stoichiometric quantities of Ca2+ or aluminum ions to the protein, temperature-dependent fluorescence changes (anisotropy, lifetime) could be monitored via the label.
M A Whelan et al.
European journal of immunology, 23(12), 3278-3285 (1993-12-01)
Techniques have been developed to measure the reactivity of free thiols in the HLA class I antigen-binding cleft. HLA-B27, which sequencing predicts has a free cysteine at position 67, reacts rapidly with the positively charged thiol reagent monobromotrimethyl-ammoniobimane bromide (qBBr)
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