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DNase I Structure: DNase I is a glycoprotein with a molecular weight of 30,000 Da and a carbohydrate chain of 8-10 residues attached to Asn18 (orange). [3] It is an 𝛼,𝛽-protein with two 6-stranded 𝛽-pleated sheets which form the core of the structure. [4] These two core sheets run parallel, and all others run antiparallel.
Deoxyribonuclease I (usually called DNase I), is an endonuclease of the DNase family coded by the human gene DNASE1. [5] DNase I is a nuclease that cleaves DNA preferentially at phosphodiester linkages adjacent to a pyrimidine nucleotide, yielding 5'-phosphate-terminated polynucleotides with a free hydroxyl group on position 3', on average producing tetranucleotides.
Deoxyribonuclease II (EC 3.1.22.1, DNase II, pancreatic DNase II, deoxyribonucleate 3'-nucleotidohydrolase, pancreatic DNase II, acid deoxyribonuclease, acid DNase) is an endonuclease that hydrolyzes phosphodiester linkages of deoxyribonucleotide in native and denatured DNA, yielding products with 3'-phosphates and 5'-hydroxyl ends, which occurs as a result of single-strand cleaving mechanism. [1]
Deoxyribonuclease IV (phage-T4-induced) (EC 3.1.21.2, endodeoxyribonuclease IV (phage T4-induced), E. coli endonuclease IV, endodeoxyribonuclease, redoxyendonuclease, deoxriboendonuclease, Escherichia coli endonuclease II, endonuclease II, DNA-adenine-transferase) is catalyzes the degradation nucleotides [1] in DsDNA by attacking the 5'-terminal end.
Organotrophs use organic compounds as electron/hydrogen donors. Lithotrophs use inorganic compounds as electron/hydrogen donors.. The electrons or hydrogen atoms from reducing equivalents (electron donors) are needed by both phototrophs and chemotrophs in reduction-oxidation reactions that transfer energy in the anabolic processes of ATP synthesis (in heterotrophs) or biosynthesis (in autotrophs).
Other notable deoxyribozyme ribonucleases are those that are highly selective for a certain cofactor. Among this group are the metal selective deoxyribozymes such as Pb 2+-specific 17E, [17] UO 2 2+-specific 39E, [18] and Na +-specific A43. [19] First crystal structure of a DNAzyme was reported in 2016.
Printable version; In other projects ... This category groups together enzymes that cleave DNA. Pages in category "Deoxyribonucleases"
A distinct group of DNA-binding proteins are the DNA-binding proteins that specifically bind single-stranded DNA. In humans, replication protein A is the best-understood member of this family and is used in processes where the double helix is separated, including DNA replication, recombination and DNA repair. [ 18 ]