| gene products, nef | Products of the HIV nef gene (formerly 3'-orf gene). The products trans-suppress viral replication and function as negative regulators of transcription. Nef stands for negative factor. (12 Dec 1998) |
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| genes, nef | DNA sequences that form the coding region for a protein that down-regulates the expression of human immunodeficiency virus (HIV). Nef is short for negative factor. (12 Dec 1998) |
| nef | An HIV regulatory protein whose functions are not wen understood. HIV without nef appears to be less infectious. (09 Oct 1997) |