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

. 2001 Jul 2;194(1):1–12. doi: 10.1084/jem.194.1.1

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

© 2001 The Rockefeller University Press

This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/).

PMC Copyright notice

Summary of cleavage motifs. Amino acid preferences at positions flanking the cleavages performed by constitutive (c20S) or immunoproteasomes (i20S) are indicated by bars pointing up (enriched) or down (decreased). Amino acid frequencies around cleavage sites were compared with amino acid frequencies in enolase. i20S versus c20S indicates a comparison of amino acid preferences between both types of proteasomes. Amino acid frequencies around cleavage sites were compared with each other. Bars pointing up indicate a i20S preference, bars pointing down indicate a c20S preference. Amino acids are shown in one-letter code by capital letters, and amino acid characteristics are indicated by small letters. A decrease in preferences for hydrophobic and bulky amino acids also indicates an increase in preferences for polar and small amino acids, respectively and vice versa. h, hydrophobic; f, flexible; b, bulky.