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I0879

Sigma-Aldrich

Inosine 5′-triphosphate trisodium salt

≥95%

Synonym(s):

ITP

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About This Item

Empirical Formula (Hill Notation):
C10H12Na3N4O14P3
CAS Number:
Molecular Weight:
574.11
MDL number:
UNSPSC Code:
41106305
PubChem Substance ID:
NACRES:
NA.51
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Quality Level

Assay

≥95%

shipped in

dry ice

storage temp.

−20°C

SMILES string

[Na].OC1C(O)C(OC1COP(O)(=O)OP(O)(=O)OP(O)(O)=O)n2cnc3C(=O)N=CNc23

InChI

1S/C10H15N4O14P3.Na.H/c15-6-4(1-25-30(21,22)28-31(23,24)27-29(18,19)20)26-10(7(6)16)14-3-13-5-8(14)11-2-12-9(5)17;;/h2-4,6-7,10,15-16H,1H2,(H,21,22)(H,23,24)(H,11,12,17)(H2,18,19,20);;

InChI key

RIERCUPIZLBNFQ-UHFFFAOYSA-N

Gene Information

human ... HRAS(3265)

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Application

Inosine 5′-triphosphate (ITP) is used in studies on the impact of deamination of ATP and GTP by various enzymes and chemical processes. ITP may be used as a substrate to study the specificity and kinetics of nucleoside-5′-triphosphatase and ATPase. ITP is also used to study activation of various ATPases and GTPases.
Inosine 5′-triphosphate trisodium salt has been used to investigate its influence on the chromosome aberration rate, the mitotic rate, sister-chromatid exchange (SCE) frequency, the proportion of first (X1), second (X2) and third (X3) division metaphases of human peripheral lymphocytes.[1]

Biochem/physiol Actions

Inosine 5′-triphosphate (ITP) has the ability to support the initiation of effector system. It can prevent guanosine 5′-triphosphate (GTP) hydrolysis, that is catalysed by transducin (TD). ITP can proficiently induce secretion in permeabilized cells than GTP.[2] Instead of GTP, ITP can be used for the initiation and the elongation steps of reovirus transcription.[3] ITP can also replace GTP in the activation of G-protein.[2]

Preparation Note

Prepared from Bacterial ATP

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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As to the clastogenic-, sister-chromatid exchange inducing-and cytotoxic activity of inosine triphosphate in cultures of human peripheral lymphocytes
Vormittag W and Brannath W
Mutation Research, 476(1), 71-81 (2001)
T Toyo-oka
Circulation research, 49(6), 1350-1355 (1981-12-01)
The contraction of cardiac muscle that has been treated with glycerol requires Ca2+ (pCa 8-5), when MgATP is used as a substrate. In contrast, this preparation contracts, even in the absence of Ca2+ (pCa 8-10), when ATP is replaced by
Walter Steffen et al.
Proceedings of the National Academy of Sciences of the United States of America, 101(35), 12904-12909 (2004-08-25)
The central features of the mechanical cycle that drives the contraction of muscle are two translational steps: the working stroke, whereby an attached myosin crossbridge moves relative to the actin filament, and the repriming step, in which the crossbridge returns
I M Rusina et al.
Biomeditsinskaia khimiia, 52(4), 364-369 (2006-10-19)
Activity and some properties of a soluble enzyme hydrolyzing nucleoside-5'-triphosphates were studied in the liver and kidney of normal and diabetic rats. The enzyme activity was shown to be reduced by 34% (p < 0.01) in the liver extracts of
Functionally nonequivalent interactions of guanosine 5?-triphosphate, inosine 5?-triphosphate, and xanthosine 5?-triphosphate with the retinal G-protein, transducin, and with Gi-proteins in HL-60 leukemia cell membranes
Klinker J F and Seifert R
Biochemical Pharmacology, 54(5), 551-562 (1997)

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