hiv-1

HIV-1 Rev (34-50) (HIV-1 rev Protein (34-50)) is a 17-amino acid peptide with anti-HIV-1 activity, derived from the Rev-responsive element-binding domains of Rev in HIV-1.

(Cys47)-HIV-1 tat Protein (47-57) possesses membrane translocation functionality and can serve as a surface derivatization agent for magnetic pharmaceuticals, enhancing their uptake into specific target cells.

HIV-1 TAT (48-60), a cell-penetrating peptide originating from residues 48-60 of the human immunodeficiency virus (HIV)-1 Tat protein, facilitates the non-disruptive delivery of exogenous macromolecules into cells.

HIV-1 TAT (48-60) Acetate, a commonly used membrane-permeable carrier peptide, is an arginine-rich basic peptide derived from the human immunodeficiency virus (HIV-1 Tat) protein that enables intracellular delivery of compounds.

HIV-1, HIV-2 Protease Substrate serves as a substrate for the proteases of both HIV-1 and HIV-2, featuring four residues that permit conservative substitutions at the enzyme substrate binding sites [1].

GP120, HIV-1 MN, a peptide, is utilized in researching HIV infection [1] [2].

Pol (476-484), HIV-1 RT Epitope, is a biologically active peptide representing the dominant HLA A*0201-restricted epitope within HIV-1 reverse transcriptase (RT). Spanning Pol residues 476-484, it is utilized to explore mechanisms of HIV-1 escape from cytotoxic T lymphocytes (CTL) with IV9 as the specific epitope processed and presented in HIV-1-infected cell lines.

HIV-1 TAT (48-60) is a cell-penetrating peptide derived from the human immunodeficient virus (HIV)-1 Tat protein residue 48-60. This is one of the cell-penetrating peptides generated from the human immunodeficient virus -1 Tat protein residue 48-60.

R15K, HIV-1 Inhibitory Peptide is a polypeptide molecule with the sequence RIQRGPGRAFVTIGK.

HIV-1 tat Protein (1-9) is a polypeptide molecule with the sequence MDPVDPNIE.

HIV-1 gag Protein p24 (194-210) is a polypeptide molecule with the sequence ANPDCKTILKALGPAAT.

HIV-1 env Protein gp41 (1-23) amide (isolates BRU/JRCSF) is a polypeptide molecule with the sequence AVGIGALFLGFLGAAGSTMGARS-NH2.

HIV-1 tat Protein (49-57) is a polypeptide molecule with the sequence RKKRRQRRR.

Tat-beclin 1 acetate is a potent inducer of autophagy and interacts with the negative regulator of autophagy, GAPR-1. Tat-beclin 1 acetate decreases the accumulation of polyglutamine expansion protein aggregates and the replication of several pathogens (including HIV-1).

TAT peptide (YGRKKRRQRRR), originating from the human immunodeficiency virus-1 (HIV-1) transactivator of transcription (TAT), enhances the solubility and production of heterologous proteins[1]. This cell-penetrating peptide demonstrates significant potential in biotechnological applications.

Peptide T acetate is an octapeptide from the V2 region of HIV-1 gp120. Peptide T is a synthetic octapeptide whose possible mechanism of action is the competitive inhibition of gp120 to the CD4 receptor as well as binding to vasointestinal peptide receptors and inhibiting cytokine action

SKF-107457 is an HIV protease type 1 inhibitor. It is a hexapeptide substrate analog with the scissile bond being replaced by a hydroxy ethylene isostere.

Acetylpepstatin is an inhibitor of HIV-1 protease, HIV-2 protease, aspartyl protease.

α-Melanocyte-stimulating hormone (α-MSH) is a 13-amino acid peptide hormone produced by post-translational processing of proopiomelanocortin (POMC) in the pituitary gland, as well as in keratinocytes, astrocytes, monocytes, and gastrointestinal cells.1It is an agonist of melanocortin receptor 3 (MC3R) and MC4R that induces cAMP production in Hepa cells expressing the human receptors (EC50s = 0.16 and 56 nM, respectively).2α-MSH (100 pM) reducesS. aureuscolony formation andC. albicansgerm tube formationin vitro.3It inhibits endotoxin-, ceramide-, TNF-α-, or okadaic acid-induced activation of NF-κB in U937 cells.1α-MSH reduces IL-6- or TNF-α-induced ear edema in mice.4It also prevents the development of adjuvant-induced arthritis in rats and increases survival in a mouse model of septic shock. Increased plasma levels of α-MSH are positively correlated with delayed disease progression and reduced death in patients with HIV.1 1.Catania, A., Airaghi, L., Colombo, G., et al.α-melanocyte-stimulating hormone in normal human physiology and disease statesTrends Endocrinol. Metab.11(8)304-308(2000) 2.Miwa, H., Gantz, I., Konda, Y., et al.Structural determinants of the melanocortin peptides required for activation of melanocortin-3 and melanocortin-4 receptorsJ. Pharmacol. Exp. Ther.273(1)367-372(1995) 3.Cutuli, M., Cristiani, S., Lipton, J.M., et al.Antimicrobial effects of a-MSH peptidesJ. Leukoc. Biol.67(2)233-239(2000) 4.Lipton, J.M., Ceriani, G., Macaluso, A., et al.Antiiinflammatory effect of the neuropeptide a-MSH in acute, chronic, and systemic inflammationAnn. N.Y. Acad. Sci.25(741)137-148(1994)

Siamycin I is a tricyclic peptide originally isolated from Streptomyces and has antiviral and antibacterial activities. It is active against laboratory strains and clinical isolates of HIV-1 (ED50s = 0.05-0.45 and 0.89-5.7 μM, respectively), as well as the CBL-20 strain of HIV-2 (ED50 = 0.45 μM), in vitro. Siamycin I inhibits HIV-induced fusion of C8166 T cells with HIV-1-infected CEM-SS cells with an ED50 value of 0.08 μM. It is also active against B. subtilis, M. luteus, and S. aureus (MICs = 1.6-6.3 μg/ml). Siamycin I inhibits autophosphorylation of the E. faecalis quorum sensing kinase FsrC induced by gelatinase biosynthesis-activating pheromone (GBAP).

Feglymycin is a 13-amino acid peptide originally isolated from Streptomyces that has antibacterial and antiviral activities. It is active against Gram-positive bacteria (MICs = 32-64 μg/ml) and inhibits HIV viral replication in H9 cells (IC50 = ~5 μM). Feglymycin is also active against clinical isolates of HIV-1 from clades A-D, A/E, and G (EC50s = 0.5-6.7 μM). It interacts with gp120 and inhibits HIV-1 NL4.3 binding to human soluble CD4 (EC50 = 4.4 μM) and to CD4+ SupT1 T cells by 74.5% when used at a concentration of 10.5 μM. Feglymycin inhibits the E. coli peptidoglycan biosynthesis enzymes MurA and MurC (Kis = 3.4 and 0.3 μM, respectively) in a noncompetitive manner.

Defensin HNP-3 is a peptide secreted by human polymorphonuclear leukocytes (PMNs) that has antimicrobial properties. It induces lysis of mammalian cells when used at a concentration of 25 μg/mL. It also inhibits growth of E. faecalis (ED50 = 100 nM) and clinical isolates of P. aeruginosa (MIC90 = 4 μM). HNP-3 binds to recombinant HIV-1 envelope glycoprotein (gp120) and human CD4 (Kds = 52.8 and 34.9 nM, respectively). It also binds to recombinant, immobilized human surfactant protein D (SP-D; Kd = 55.7 nM) and inhibits focus formation in Madin-Darby canine kidney (MDCK) cells infected with influenza A virus (IAV).

Tat-beclin 1, a peptide derived from the autophagy protein beclin 1, is a powerful inducer of autophagy. It interacts with GAPR-1 (GLIPR2), a negative regulator of autophagy. Tat-beclin 1 effectively reduces polyglutamine expansion protein aggregates and inhibits various pathogens, such as HIV-1, in laboratory experiments. Additionally, it decreases mortality in mice infected with chikungunya (CHIKV) or West Nile virus (WNV).

Decanoyl-RVKR-CMK (DecRVKRcmk) TFA effectively hinders the processing of over-expressed gp160 and suppresses HIV-1 replication.