.TH DDV 1 2001-10-05 NCBI "NCBI Tools User's Manual" .SH NAME ddv \- DeuxD-Viewer for multiple sequence alignment .SH SYNOPSIS .B ddv [\|\fB\-\fP\|] [\|\fB\-e\ F\fP\|] [\|\fB\-g\ F\fP\|] .SH DESCRIPTION \fBddv\fP is a standalone graphical viewer for multiple sequence alignment. .SH OPTIONS A summary of options is included below. .TP \fB\-\fP Print usage message .TP \fB\-e\ F\fP Do not allow edits .TP \fB\-g\ F\fP Do not allow gaps .SH AUTHOR The National Center for Biotechnology Information. .SH SEE ALSO .ad l .BR Cn3D (1), .BR udv (1),