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A3509

Sigma-Aldrich

2-Aminopurine

≥99%

Synonym(s):

2-AP

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About This Item

Empirical Formula (Hill Notation):
C5H5N5
CAS Number:
452-06-2
Molecular Weight:
135.13
EC Number:
207-197-4
MDL number:
MFCD00005566
UNSPSC Code:
41106305
PubChem Substance ID:
24890778
NACRES:
NA.51

biological source

synthetic

Quality Level

200

assay

≥99%

form

powder

mp

280-282 °C (lit.)

storage temp.

2-8°C

SMILES string

Nc1ncc2[nH]cnc2n1

InChI

1S/C5H5N5/c6-5-7-1-3-4(10-5)9-2-8-3/h1-2H,(H3,6,7,8,9,10)

InChI key

MWBWWFOAEOYUST-UHFFFAOYSA-N

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Application

2-Aminopurine (2-AP) is used to specifically inhibit double-stranded RNA-dependent protein kinase, protein kinase R (PKR).
2-Aminopurine has been used to inhibit eukaryotic initiation factor-2α (eIF2α)-phosphorylation of osteoarthritis (OA) chondrocytes.

Biochem/physiol Actions

2-Aminopurine (2AP) is an analog of guanosine and adenosine, which can base pair with cytosine and thymine. It is used as a fluorescent probe in nucleic acid structure and dynamics. 2-Aminopurine (2-AP) inhibits double-stranded RNA-dependent protein kinase, protein kinase R (PKR).

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Endoplasmic reticulum stress induces the expression of COX-2 through activation of eIF2alpha, p38-MAPK and NF-kappaB in advanced glycation end products stimulated human chondrocytes
Rasheed Z and HaqqiTM
Biochimica et Biophysica Acta - Molecular Cell Research, 1823(12), 2179-2189 (2012)
Julien Godet et al.
Nucleic acids research, 41(9), 5036-5048 (2013-03-21)
The HIV-1 nucleocapsid protein (NCp7) is a nucleic acid chaperone required during reverse transcription. During the first strand transfer, NCp7 is thought to destabilize cTAR, the (-)DNA copy of the TAR RNA hairpin, and subsequently direct the TAR/cTAR annealing through
2-Aminopurine.
A Ronen
Mutation research, 75(1), 1-47 (1980-01-01)
2-Aminopurine fluorescence quenching and lifetimes: role of base stacking
Jean JM and Hall KB
Proceedings of the National Academy of Sciences of the USA, 98(1), 37-41 (2001)
Danqing Xin et al.
Brain, behavior, and immunity, 73, 222-234 (2018-05-12)
We previously reported that l-Cysteine, an H2S donor, significantly alleviated brain injury after hypoxia-ischemic (HI) injury in neonatal mice. However, the mechanisms underlying this neuroprotective effect of l-Cysteine against HI insult remain unknown. In the present study, we tested the
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