| gptkbp:instanceOf | gptkb:protein 
 | 
                        
                            
                                | gptkbp:antigenicVariation | high 
 | 
                        
                            
                                | gptkbp:binds | gptkb:CD4_receptor CCR5 coreceptor
 CXCR4 coreceptor
 
 | 
                        
                            
                                | gptkbp:component | HIV-1 envelope protein complex 
 | 
                        
                            
                                | gptkbp:discoveredIn | 1980s 
 | 
                        
                            
                                | gptkbp:encodedBy | gptkb:env_gene 
 | 
                        
                            
                                | gptkbp:exposedBy | surface of HIV-1 virion 
 | 
                        
                            
                                | gptkbp:formsComplexWith | gptkb:gp41 
 | 
                        
                            
                                | gptkbp:foundIn | gptkb:HIV-1 
 | 
                        
                            
                                | gptkbp:function | mediates viral entry into host cells 
 | 
                        
                            
                                | gptkbp:inhibitedBy | ibalizumab fostemsavir
 maraviroc (CCR5 antagonist)
 
 | 
                        
                            
                                | gptkbp:interactsWith | host immune system 
 | 
                        
                            
                                | gptkbp:molecularWeight | ~120 kDa 
 | 
                        
                            
                                | gptkbp:postTranslationalModification | N-linked glycosylation 
 | 
                        
                            
                                | gptkbp:recognizedBy | gptkb:CD4+_T_cells gptkb:B_cells
 monoclonal antibodies
 
 | 
                        
                            
                                | gptkbp:role | immune evasion HIV pathogenesis
 cell tropism determination
 syncytium formation
 
 | 
                        
                            
                                | gptkbp:structure | heavily glycosylated variable loops (V1-V5)
 
 | 
                        
                            
                                | gptkbp:target | neutralizing antibodies HIV vaccine research
 
 | 
                        
                            
                                | gptkbp:usedIn | diagnostic assays 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:CXCR4 gptkb:CD299
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 8 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | HIV-1 gp120 
 |