Linked Life Data

16142386

Source:http://linkedlifedata.com/resource/pubmed/id/16142386

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2005-9-5
pubmed:abstractText
The DNA repair protein O6-methylguanine-DNA methyltransferase (MGMT) acts as a chemoprotectant and mediates resistance to alkylating anti-tumor agents. A number of MGMT single nucleotide polymorphisms (SNPs) have been described. We analyzed by molecular modeling the regions likely to be affected in the MGMT mutant proteins encoded by SNPs. Starting from the crystal structure of non-alkylated MGMT, molecular models of mutant proteins encoded by SNPs have been built. Most of the mutations were found to be located either within the DNA binding region (A121E, A121T, G132R, N123V) or in the vicinity of the active Cys145 (I143V, G160R). A further L84F mutant might affect Zn2+ binding. W65C was found to possibly be unstable.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
1107-3756
pubmed:author
pubmed:issnType
Print
pubmed:volume
16
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
553-7
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2005
pubmed:articleTitle
Molecular modeling of O6-methylguanine-DNA methyltransferase mutant proteins encoded by single nucleotide polymorphisms.
pubmed:affiliation
Computational Molecular Biophysics, Interdisciplinary Center for Scientific Computing (IWR), University of Heidelberg, Im Neuenheimer Feld 368, 69120 Heidelberg, Germany.
pubmed:publicationType
Journal Article, Comparative Study