. 2007 Oct 11;36(Database issue):D307–D313. doi: 10.1093/nar/gkm814
© 2007 The Author(s)
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
The Heme Protein Databse web site.