HAMAP annotation rule MF_00337
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Accession MF_00337
Dates 1-JUN-2001 (Created)
22-SEP-2011 (Last updated, Version 21)
Name Exonuc_7_S
Scope Bacteria
Triggered by



Identifier
EX7S
Protein name
RecName: Full=Exodeoxyribonuclease 7 small subunit;
EC=3.1.11.6;
AltName: Full=Exodeoxyribonuclease VII small subunit;
Short=Exonuclease VII small subunit;
Gene name
xseB


FUNCTION Bidirectionally degrades single-stranded DNA into large acid-insoluble oligonucleotides, which are then degraded further into small acid-soluble oligonucleotides (By similarity).
CATALYTIC ACTIVITY Exonucleolytic cleavage in either 5'- to 3'- or 3'- to 5'-direction to yield nucleoside 5'-phosphates.
SUBUNIT Heterooligomer composed of large and small subunits (By similarity).
SUBCELLULAR LOCATION Cytoplasm (By similarity).
SIMILARITY Belongs to the XseB family.


Cytoplasm
Hydrolase
Nuclease
Exonuclease


GO:0008855; Molecular function: exodeoxyribonuclease VII activity.
GO:0006308; Biological process: DNA catabolic process.
GO:0005737; Cellular component: cytoplasm.


Pfam PF02609; Exonuc_VII_S; 1;
TIGRFAMs TIGR01280; XseB; 1;


Size range: 70-97 amino acids
Related Rules: None
Template: P0A8G9 (EX7S_ECOLI)
Fusion: None
Comments: Probable start site problems


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