Accounting for Human Polymorphisms Predicted to Affect Protein Function

Overview

Journal Genome Res

Specialty Genetics

Date 2002 Mar 5

PMID 11875032

Citations 313

Authors

Pauline C Ng

Steven Henikoff

Affiliations

Soon will be listed here.

Abstract

A major interest in human genetics is to determine whether a nonsynonymous single-base nucleotide polymorphism (nsSNP) in a gene affects its protein product and, consequently, impacts the carrier's health. We used the SIFT (Sorting Intolerant From Tolerant) program to predict that 25% of 3084 nsSNPs from dbSNP, a public SNP database, would affect protein function. Some of the nsSNPs predicted to affect function were variants known to be associated with disease. Others were artifacts of SNP discovery. Two reports have indicated that there are thousands of damaging nsSNPs in an individual's human genome; we find the number is likely to be much lower.

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