亲和素

CAS号
1405-69-2
CCD编号
CCD00062674
分子式
分子量
0.0

基本信息

产品名称: 亲和素
CAS: 1405-69-2
中文同义词: 亲合素 来源于鸡蛋白 ; 抗生素蛋白 ; 抗生物素蛋白 ; 亲和素
英文同义词: AVIDIN, EGG WHITE ; AVIDIN ; AVIDIN, HEN EGG WHITE ; AVIDIN FROM EGG WHITE
MDL号: MFCD00130572
氢键受体数量: 0
氢键供体数量: 0
InChi: InChI=1S//
InChiKey: InChIKey=MOSFIJXAXDLOML-UHFFFAOYSA-N

性质

注解: A CONVENIENT, ACCURATE METHOD FOR DETERMINING THE DEGREE OF BIOTINYLATION
APPLICATIONS: BLOCKING PROTEIN FOR BIOTIN-RICH TISSUE SECTIONS (USE AT 0.1% FOR INHIBITION OF ENDOGENOUS BIOTIN)
APPLICATIONS: IMMUNOASSAY REAGENT WHEN BOUND TO BIOTINYLATED ENZYMES OR WHEN CONJUGATED TO ENZYMES
COMMENT 1: DETERMINE THE MOLAR RATIO OF BIOTIN INCORPORATED INTO A PROTEIN USING THE HABA-AVIDIN METHOD
COMMENT 2: THE HABA DYE (2-HYDROXYAZOBENZENE-4'-CARBOXYLIC ACID) BINDS TO AVIDIN TO PRODUCE A YELLOW-ORANGE COLORED COMPLEX THAT ABSORBS AT 500 NM
COMMENT 3: FREE BIOTIN PRESENT IN SOLUTION WITH THIS AVIDIN-HABA COMPLEX WILL DISPLACE THE HABA DYE AND CAUSE THE ABSORBANCE TO DECREASE
COMMENT 4: A STANDARD CURVE CAN BE ESTABLISHED USING THE FREE BIOTIN TO ESTIMATE THE NUMBER OF MOLES OF BIOTIN INCORPORATED AFTER BIOTINYLATING A PROTEIN
ECONOMICALLY PRICED IN JUMBO QUANTITIES
FEATURES/BENEFITS: AMOUNT OF AVIDIN CAN BE CALCULATED DIRECTLY FROM THE INCREASED ABSORBANCE AT 500 NM COMPLEXING WITH THE HABA DYE
FEATURES/BENEFITS: AVIDIN IS A GLYCOPROTEIN PURIFIED FROM CHICKEN EGG WHITE AND HAS AN IP OF 10.5
FEATURES/BENEFITS: HABA-AVIDIN COMPLEX CAN BE USED OVER A WIDE RANGE OF PH AND SALT CONCENTRATIONS
FEATURES/BENEFITS: HEN EGG WHITE GLYCOPROTEIN, AFFINITY-PURIFIED, SALT-FREE, LYOPHILIZED POWDER
FEATURES/BENEFITS: ISOELECTRIC POINT OF 10-10.5
FEATURES/BENEFITS: LOWER NOISE LEVEL (LESS NONSPECIFIC BINDING) THAN AVIDIN IN DETECTION SYSTEMS
FEATURES/BENEFITS: PURIFIED OVER AN AFFINITY COLUMN TO ASSURE THE INTEGRITY OF THE FOUR BIOTIN-BINDING SITES
FEATURES/BENEFITS: STABLE OVER A WIDE RANGE OF PH VALUES AND TEMPERATURE RANGES
GUANIDINE HYDROCHLORIDE WILL DISSOCIATE AVIDIN AND STREPTAVIDIN INTO SUBUNITS, BUT STREPTAVIDIN IS MORE RESISTANT TO DISSOCIATION
IMMUNOPURE(R) STREPTAVIDIN PRODUCTS ARE AFFINITY-PURIFIED AND HAVE A SPECIFIC ACTIVITY GREATER THAN 12 UNITS/MG
LOWER NONSPECIFIC BINDING THAN AVIDIN
NOTE: 1 UNIT OF BIOTIN BINDING EQUALS 1 MICROMOLE OF BIOTIN
PIERCE OFFERS STREPTAVIDIN PRODUCTS THAT PRODUCE HIGH-QUALITY RESULTS
STREPTAVIDIN IS ALSO A TETRAMERIC PROTEIN, AND EACH SUBUNIT BINDS ONE MOLECULE OF BIOTIN
STREPTAVIDIN IS MUCH LESS SOLUBLE IN WATER THAN AVIDIN AND CAN BE CRYSTALLIZED FROM WATER OR 50% ISOPROPANOL
UNLIKE AVIDIN (MW 67,000), STREPTAVIDIN HAS NO CARBOHYDRATE AND HAS AN ACIDIC ISOELECTRIC POINT OF 5
规格: IMMUNOPURE(R)
信息: MOLECULAR MASS OF 67,000-68,000 DALTONS

安全信息

安全声明: S:22,24/25
WGK德国: 3

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