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Information on EC 3.1.11.2 - exodeoxyribonuclease III and Organism(s) Homo sapiens and UniProt Accession Q9NSU2

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Homo sapiens
UNIPROT: Q9NSU2 not found.
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The taxonomic range for the selected organisms is: Homo sapiens
The enzyme appears in selected viruses and cellular organisms
Reaction Schemes
Exonucleolytic cleavage in the 3'- to 5'- direction to yield nucleoside 5'-phosphates
Synonyms
rnase iii, exonuclease iii, dna pol, 3'-5' exonuclease, exo iii, exoiii, exo-3, escherichia coli exonuclease iii, e. coli exonuclease iii, mtbxtha, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
exonuclease III
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AP endonuclease VI
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-
-
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Ape2
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Ape2 exibits strong 3'-5' exonuclease and 3'-phosphodiesterase activities and has only a very weak AP-endonuclease activity
E. coli exonuclease III
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-
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Escherichia coli exonuclease III
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-
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exo III
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-
-
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exodeoxyribonuclease III
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nuclease, endoribo-, III
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-
-
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nuclease, Escherichia coli exo-, III
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-
-
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
hydrolysis of phosphoric ester
-
-
-
-
CAS REGISTRY NUMBER
COMMENTARY hide
9037-44-9
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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
FAM-labeled dsDNA + H2O
?
show the reaction diagram
Exo III catalyzes the stepwise removal of mononucleotides from the 3'-hydroxyl termini of double-stranded DNA (dsDNA). Development of a fluorescence detection method of Exo III activity, overview. Due to photoinduced electron transfer (PET) between FAM and guanine (G), the fluorescence of the FAMlabeled dsDNA probe is completely quenched. Upon the addition of Exo III, the dsDNA will be digested, and FAM emits very strong fluorescence. Thus, Exo III activity can be facilely measured with a simple fluorescence reader with a detection range from 5 x 10-4 U/ml to 5 U/ml with a detection limit of 3 x 10-4 U/ml. FAM is labeled on the 3' end. Optimization of experimental conditions, overview. HIgh selectivity of the assay for detection of Exo III activity compared to other nucleases
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-
?
additional information
?
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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Mg2+
-
-
Mn2+
-
-
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
7.4
assay at
7.5
assay at
7.5
-
3'-5' exonuclease, 3'-phosphodiesterase and AP-endonuclease activity assay
pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
6 - 8
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-
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
37
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3'-5' exonuclease, 3'-phosphodiesterase and AP-endonuclease activity assay
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
-
UniProt
Manually annotated by BRENDA team
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
LOCALIZATION
ORGANISM
UNIPROT
COMMENTARY hide
GeneOntology No.
LITERATURE
SOURCE
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
physiological function
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
TREX1_HUMAN
314
1
33212
Swiss-Prot
other Location (Reliability: 5)
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
95000
-
determined by SDS-PAGE
PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
D277A
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mutant lacking all enzymatic activities
TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
70
20 min, inactivation
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
using a glutathione-Sepharose column
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CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
into the Gateway entry vector pENTR3C, for expressing Ape2 proteins in the yeast strain BJ5464, the cDNAs are cloned in fusion with GST using the plasmid pBJ842
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APPLICATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
analysis
cell cycle profiling by image and flow cytometry, optimised protocol for the detection of replicational activity using 5-bromo-2'-deoxyuridine, low concentration of hydrochloric acid and exonuclease III, method evaluation and optimization, detailed overview
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Burkovics, P.; Szukacsov, V.; Unk, I.; Haracska, L.
Human Ape2 protein has a 3-5 exonuclease activity that acts preferentially on mismatched base pairs
Nucleic Acids Res.
34
2508-2515
2006
Homo sapiens
Manually annotated by BRENDA team
Liu, Q.; Lian, J.; Liu, M.; Jin, Y.; Li, B.
A simple turn-on fluorescent biosensor for sensitive detection of exonuclease III activity through photoinduced electron transfer and self-hybridization of a DNA probe
Anal. Methods
10
2257-2262
2018
Homo sapiens (Q9NSU2)
-
Manually annotated by BRENDA team
Ligasova, A.; Konecny, P.; Frydrych, I.; Koberna, K.
Cell cycle profiling by image and flow cytometry The optimised protocol for the detection of replicational activity using 5-bromo-2'-deoxyuridine, low concentration of hydrochloric acid and exonuclease III
PLoS ONE
12
e0175880
2017
Homo sapiens (Q9NSU2)
Manually annotated by BRENDA team
Zhang, H.; Lin, Z.; Su, X.
Label-free detection of exonuclease III by using dsDNA-templated copper nanoparticles as fluorescent probe
Talanta
131
59-63
2015
Homo sapiens (Q9NSU2)
Manually annotated by BRENDA team