DNA-Binding Proteins/physiology; Molecular Chaperones/physiology; Protein Inhibitors of Activated STAT/physiology; Small Ubiquitin-Related Modifier Proteins/physiology; Transcription Factors/physiology; Transcription, Genetic; Amino Acid Sequence; Apoptosis Regulatory Proteins; Carrier Proteins/genetics; Carrier Proteins/metabolism; Carrier Proteins/physiology; Chromatin/genetics; Chromatin/physiology; Conserved Sequence; DNA Methylation; DNA-Binding Proteins/metabolism; Down-Regulation; Gene Silencing; HeLa Cells; Histone-Lysine N-Methyltransferase; Histones/metabolism; Humans; Molecular Chaperones/genetics; Molecular Sequence Data; Protein Binding; Protein Inhibitors of Activated STAT/genetics; Protein Methyltransferases/metabolism; SUMO-1 Protein; Sequence Homology, Amino Acid; Small Ubiquitin-Related Modifier Proteins/genetics; Transcription Factors/metabolism