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J Proteome Res. 2013 Jun 7;12(6):2439-48. doi: 10.1021/pr300924j. Epub 2012 Dec 31.

Contribution of antibody-based protein profiling to the human Chromosome-centric Proteome Project (C-HPP).

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1
Science for Life Laboratory, KTH-Royal Institute of Technology, Stockholm, Sweden.

Abstract

A gene-centric Human Proteome Project has been proposed to characterize the human protein-coding genes in a chromosome-centered manner to understand human biology and disease. Here, we report on the protein evidence for all genes predicted from the genome sequence based on manual annotation from literature (UniProt), antibody-based profiling in cells, tissues and organs and analysis of the transcript profiles using next generation sequencing in human cell lines of different origins. We estimate that there is good evidence for protein existence for 69% (n = 13985) of the human protein-coding genes, while 23% have only evidence on the RNA level and 7% still lack experimental evidence. Analysis of the expression patterns shows few tissue-specific proteins and approximately half of the genes expressed in all the analyzed cells. The status for each gene with regards to protein evidence is visualized in a chromosome-centric manner as part of a new version of the Human Protein Atlas ( www.proteinatlas.org ).

PMID:
23276153
DOI:
10.1021/pr300924j
[Indexed for MEDLINE]

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