RAMON ANDRADE 3DCIENCIA / SCIENCE PHOTO LIBRARY RAMON ANDRADE 3DCIENCIA / SCIENCE PHOTO LIBRARY
DNA transcription control. Computer model showing a molecule of the FP50 homodimer (green) from NF-kB (nuclear factor kappa-light-chain-enhancer of activated B cells) bound to the DNA interferon regulatory factor (IRF) recognition sequence on a strand of DNA (deoxyribonucleic acid, orange). NF-kB is a protein complex that controls the transcription of DNA. IRFs are proteins that regulate the transcription of interferons, which are released in response to the presence of pathogens.
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