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{{STRUCTURE_2ssp| PDB=2ssp | SCENE= }} | {{STRUCTURE_2ssp| PDB=2ssp | SCENE= }} | ||
===LEUCINE-272-ALANINE URACIL-DNA GLYCOSYLASE BOUND TO ABASIC SITE-CONTAINING DNA=== | |||
{{ABSTRACT_PUBMED_9724657}} | |||
=== | ==Disease== | ||
[[http://www.uniprot.org/uniprot/UNG_HUMAN UNG_HUMAN]] Defects in UNG are a cause of immunodeficiency with hyper-IgM type 5 (HIGM5) [MIM:[http://omim.org/entry/608106 608106]]. A rare immunodeficiency syndrome characterized by normal or elevated serum IgM levels with absence of IgG, IgA, and IgE. It results in a profound susceptibility to bacterial infections.<ref>PMID:12958596</ref><ref>PMID:15967827</ref> | |||
==Function== | |||
[[http://www.uniprot.org/uniprot/UNG_HUMAN UNG_HUMAN]] Excises uracil residues from the DNA which can arise as a result of misincorporation of dUMP residues by DNA polymerase or due to deamination of cytosine. | |||
==About this Structure== | ==About this Structure== | ||
| Line 14: | Line 16: | ||
==Reference== | ==Reference== | ||
<ref group="xtra">PMID:009724657</ref><references group="xtra"/> | <ref group="xtra">PMID:009724657</ref><references group="xtra"/><references/> | ||
[[Category: Homo sapiens]] | [[Category: Homo sapiens]] | ||
[[Category: Uridine nucleosidase]] | [[Category: Uridine nucleosidase]] | ||
Revision as of 05:34, 25 March 2013
LEUCINE-272-ALANINE URACIL-DNA GLYCOSYLASE BOUND TO ABASIC SITE-CONTAINING DNALEUCINE-272-ALANINE URACIL-DNA GLYCOSYLASE BOUND TO ABASIC SITE-CONTAINING DNA
Template:ABSTRACT PUBMED 9724657
DiseaseDisease
[UNG_HUMAN] Defects in UNG are a cause of immunodeficiency with hyper-IgM type 5 (HIGM5) [MIM:608106]. A rare immunodeficiency syndrome characterized by normal or elevated serum IgM levels with absence of IgG, IgA, and IgE. It results in a profound susceptibility to bacterial infections.[1][2]
FunctionFunction
[UNG_HUMAN] Excises uracil residues from the DNA which can arise as a result of misincorporation of dUMP residues by DNA polymerase or due to deamination of cytosine.
About this StructureAbout this Structure
2ssp is a 3 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.
See AlsoSee Also
ReferenceReference
- ↑ Parikh SS, Mol CD, Slupphaug G, Bharati S, Krokan HE, Tainer JA. Base excision repair initiation revealed by crystal structures and binding kinetics of human uracil-DNA glycosylase with DNA. EMBO J. 1998 Sep 1;17(17):5214-26. PMID:9724657 doi:10.1093/emboj/17.17.5214
- ↑ Imai K, Slupphaug G, Lee WI, Revy P, Nonoyama S, Catalan N, Yel L, Forveille M, Kavli B, Krokan HE, Ochs HD, Fischer A, Durandy A. Human uracil-DNA glycosylase deficiency associated with profoundly impaired immunoglobulin class-switch recombination. Nat Immunol. 2003 Oct;4(10):1023-8. Epub 2003 Sep 7. PMID:12958596 doi:http://dx.doi.org/10.1038/ni974
- ↑ Kavli B, Andersen S, Otterlei M, Liabakk NB, Imai K, Fischer A, Durandy A, Krokan HE, Slupphaug G. B cells from hyper-IgM patients carrying UNG mutations lack ability to remove uracil from ssDNA and have elevated genomic uracil. J Exp Med. 2005 Jun 20;201(12):2011-21. PMID:15967827 doi:10.1084/jem.20050042