ChromDB: The Chromatin Database

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2238968/

Links to many articles on the role of chromatin structure in transcriptional regulation.

Chromatin Remodeling and Transcription

http://www.jbc.org/cgi/content/full/280/23/21689

The role of histone acetylation and other modifications in nucleosome integrity and transcription.