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14199-55-4

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14199-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 14199-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,1,9 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 14199-55:
(7*1)+(6*4)+(5*1)+(4*9)+(3*9)+(2*5)+(1*5)=114
114 % 10 = 4
So 14199-55-4 is a valid CAS Registry Number.

14199-55-4Relevant articles and documents

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Berry,Hall

, p. 307,308-310 (1976)

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Studies on the substrate specificity of a GDP-mannose pyrophosphorylase from Salmonella enterica

Zou, Lu,Zheng, Ruixiang Blake,Lowary, Todd L.

, p. 1219 - 1226 (2012/09/21)

A series of methoxy and deoxy derivatives of mannopyranose-1-phosphate (Manp-1P) were chemically synthesized, and their ability to be converted into the corresponding guanosine diphosphate mannopyranose (GDP-Manp) analogues by a pyrophosphorylase (GDP-ManPP) from Salmonella enterica was studied. Evaluation of methoxy analogues demonstrated that GDP-ManPP is intolerant of bulky substituents at the C-2, C-3, and C-4 positions, in turn suggesting that these positions are buried inside the enzyme active site. Additionally, both the 6-methoxy and 6-deoxy Manp-1P derivatives are good or moderate substrates for GDP-ManPP, thus indicating that the C-6 hydroxy group of the Manp-1P substrate is not required for binding to the enzyme. When taken into consideration with other previously published work, it appears that this enzyme has potential utility for the chemoenzymatic synthesis of GDP-Manp analogues, which are useful probes for studying enzymes that employ this sugar nucleotide as a substrate.

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