Deoxyribonuclease II

deoxyribonuclease II alpha
Identifiers
Symbol	DNASE2
Alt. symbols	DNASE2A, DRN2, DNL, DNL2
Entrez	1777
HUGO	2960
OMIM	126350
RefSeq	NM_001375
UniProt	O00115
Other data
EC number	3.1.22.1
Locus	Chr. 19 p13.2

deoxyribonuclease II beta
Identifiers
Symbol	DNASE2B
Entrez	58511
HUGO	28875
OMIM	608057
RefSeq	NM_021233
UniProt	Q8WZ79
Other data
EC number	3.1.22.1
Locus	Chr. 1 p22.3

Deoxyribonuclease II (EC 3.1.22.1, DNase II, pancreatic DNase II, deoxyribonucleate 3'-nucleotidohydrolase, pancreatic DNase II, acid deoxyribonuclease, acid DNase) hydrolyzes deoxyribonucleotide linkages in native and denatured DNA, yielding products with 3'-phosphates. As the name implies, it is more effective at acid pH.

There are several known DNases II, including:

DNase II alpha (usually just called DNase II)
DNase II beta (also called DLAD, or DNase II-Like Acid DNase)

External links

deoxyribonuclease II at the US National Library of Medicine Medical Subject Headings (MeSH)

Hydrolase: esterases (EC 3.1)

3.1.1: Carboxylic
ester hydrolases

Lipase

Phospholipase
- A1
- A2
- B

3.1.2: Thioesterase

3.1.3: Phosphatase

3.1.4: Phosphodiesterase

3.1.6: Sulfatase

Nuclease (includes
deoxyribonuclease and
ribonuclease)

3.1.11-16: Exonuclease

Exodeoxyribonuclease	RecBCD

Exoribonuclease	Oligonucleotidase

3.1.21-31: Endonuclease

Endodeoxyribonuclease	Deoxyribonuclease I Deoxyribonuclease II Deoxyribonuclease IV Restriction enzyme UvrABC endonuclease

Endoribonuclease	RNase III RNase H 1 2A 2B 2C RNase P RNase A 1 2 3 4/5 RNase T1 RNA-induced silencing complex

either deoxy- or ribo-	Aspergillus nuclease S1 Micrococcal nuclease

Proteins: enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases(list) EC2 Transferases(list) EC3 Hydrolases(list) EC4 Lyases(list) EC5 Isomerases(list) EC6 Ligases(list)

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