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3.1.21.2: deoxyribonuclease IV

This is an abbreviated version!
For detailed information about deoxyribonuclease IV, go to the full flat file.

Word Map on EC 3.1.21.2

Reaction

Endonucleolytic cleavage of ssDNA at apurinic/apyrimidinic sites to 5'-phosphooligonucleotide end-products =

Synonyms

apurinic/apyrimidinic endonuclease, coliphage T4 endonuclease II, deoxriboendonuclease, DNA-adenine-transferase, E. coli endonuclease IV, EC 3.1.4.30, End, Endo IV, endodeoxyribonuclease IV, EndoII, EndoIV, endonuclease II, endonuclease IV, exonuclease III, More, MtbEndo IV, MtbNfo, MtbXthA, Nfo, nuclease, endodeoxyribo-oder redoxyendonuclease, Rv0670, Sco4631, ScoA3McrA, T4 endonuclease IV, TthNfo, type IV methyl-dependent restriction endonuclease

ECTree

     3 Hydrolases
         3.1 Acting on ester bonds
             3.1.21 Endodeoxyribonucleases producing 5'-phosphomonoesters
                3.1.21.2 deoxyribonuclease IV

Crystallization

Crystallization on EC 3.1.21.2 - deoxyribonuclease IV

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CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
wild-type enzyme and mutant H69A, hanging-drop vapor diffusion method, mxing of 0.0015 ml of protein solution containing 10 mg/ml protein with 0.002 ml of reservoir solution containing 35% PEG 400 and 100 mM HEPES, pH 5.5, 20°C, 7 days, X-ray diffraction structure determination and analysis at 1.55 A resolution
-
sitting-drop vapor-diffusion method at 18°C, the structure of the recombinant endonuclease IV is determined at 1.18 A resolution
mutant E118A of EndoII is crystallized in space group P21 with four monomers in the asymmetric unit, with a bound phosphate ion in one of the four active sites of EndoII likely mimicing the scissile phosphate in a true substrate complex. Crystallization of the selenomethionine-substituted E118A mutant, X-ray diffraction structure determination and analysis at 1.9-2.3 A resolution, molecular replacement
Tequatrovirus T4
-
hanging drop vapor diffusion method, using 100 mM Tris-HCl, pH 9.0, 4 mM dithiothreitol, 1.5% saturated MgSO4, 16% (w/v) ethylene glycol, 20% (w/v) polyethylene glycol monomethyl ether 2000
using the sitting-drop vapor-diffusion method