Nei endonuclease VIII-like 3 (E. coli) is a
protein
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residue (biochemistry), residues. Proteins perform a vast array of functions within organisms, including Enzyme catalysis, catalysing metab ...
in
humans
Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are Hominidae, great apes characterized by their Prehistory of nakedness and clothing ...
that is encoded by the NEIL3
gene
In biology, the word gene has two meanings. The Mendelian gene is a basic unit of heredity. The molecular gene is a sequence of nucleotides in DNA that is transcribed to produce a functional RNA. There are two types of molecular genes: protei ...
.
NEIL3 belongs to a class of
DNA
Deoxyribonucleic acid (; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of al ...
glycosylases homologous to the
bacterial
Bacteria (; : bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the ...
Fpg/Nei family. These glycosylases initiate the first step in
base excision repair
Base excision repair (BER) is a cellular mechanism, studied in the fields of biochemistry and genetics, that repairs damaged DNA throughout the cell cycle. It is responsible primarily for removing small, non-helix-distorting base lesions from t ...
by cleaving bases damaged by
reactive oxygen species and introducing a
DNA
Deoxyribonucleic acid (; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of al ...
strand break via the associated lyase reaction.
See also
*
OGG1
8-Oxoguanine glycosylase, also known as OGG1, is a DNA glycosylase enzyme that, in humans, is encoded by the ''OGG1'' gene. It is involved in base excision repair. It is found in bacterial, archaeal and eukaryotic species.
Function
OGG1 is th ...
*
NTHL1
*
NEIL1
Endonuclease VIII-like 1 is an enzyme that in humans is encoded by the ''NEIL1'' gene.
NEIL1 belongs to a class of DNA glycosylases homologous to the bacterial Fpg/Nei family. These glycosylases initiate the first step in base excision repair by ...
*
NEIL2
Endonuclease VIII-like 2 is an enzyme that in humans is encoded by the ''NEIL2'' gene.
NEIL2 belongs to a class of DNA glycosylases homologous to the bacterial Fpg/Nei family. These glycosylases initiate the first step in base excision repair by ...
References
{{gene-4-stub