Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2008 Feb 6;3(2):e1542. doi: 10.1371/journal.pone.0001542

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

PMC Copyright notice

Organisms on the x-axis are sorted by proteome size (increasing). A) The percent of each proteome composed of peptides identifying core proteins predicted by the core genome. A significant percentage of each proteome was composed of these peptides, which suggests that they are regularly observed. B) The percentage of core proteins observed out of the total number of proteins identified by peptides within each proteome. As the number of peptides required to identify a protein increased (from 2 to 6 peptides), the percentage of core proteins out of the total number of observed proteins also increased.