RSA-tools - Credits


Most genomes (especially those of prokaryotes) are parsed from the NCBI genome repository.

Some additional genomes (especially those of metazoan) are imported from the ENSxEMBL database.

RSAT logo (August 2014)


The RSAT logo was designed by Mauricio Guzmán (

Third-pary Programs

We are highly grateful to Stefan Kurtz ( for allowing us to install on the server his programs mkvtree and vmatch, which we use to purge sequences before pattern discovery. These two programs have been faithful companions of RSAT since 1999.

convert-matrix uses the program seqlogo to return sequence logos. This program is from the WebLogo package developed by Gavin E. Crooks, Gary Hon, John-Marc Chandonia and Steven E. Brenner.

feature-map and XYgraph use the graphical library GD developed by Thomas Boutell ( this library can be freely used as far asx the following coppyright statements appear clearly:

	Portions copyright 1994, 1995, 1996, 1997, 1998, by Cold Spring
	Harbor Laboratory. Funded under Grant P41-RR02188 by the National
	Institutes of Health.

	Portions copyright 1996, 1997, 1998, by Boutell.Com, Inc.  GIF
	decompression code copyright 1990, 1991, 1993, by David Koblas

	Non-LZW-based GIF compression code copyright 1998, by Hutchison
	Avenue Software Corporation (,

	Permission has been granted to copy and distribute gd in any
	context, including a commercial application, provided that this
	notice is present in user-accessible supporting documentation.

	This does not affect your ownership of the derived work itself,
	and the intent is to assure proper credit for the authors of gd,
	not to interfere with your productive use of gd. If you have
	questions, ask.  "Derived works" includes all programs that
	utilize the library.  Credit must be given in user-accessible

	Permission to use, copy, modify, and distribute this software and
	its documentation for any purpose and without fee is hereby
	granted, provided that the above copyright notice appear in all
	copies and that both that copyright notice and this permission
	notice appear in supporting documentation. This software is
	provided "as is" without express or implied warranty.