| gptkbp:instanceOf | gptkb:protein 
 | 
                        
                            
                                | gptkbp:alternativeName | gptkb:CDKN1B Cyclin-dependent kinase inhibitor 1B
 
 | 
                        
                            
                                | gptkbp:degradationPathway | SCF^Skp2 ubiquitin ligase pathway 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Polyak_et_al. 
 | 
                        
                            
                                | gptkbp:discoveredIn | 1994 
 | 
                        
                            
                                | gptkbp:encodedBy | gptkb:CDKN1B_gene 
 | 
                        
                            
                                | gptkbp:Entrez_Gene_ID | 1027 
 | 
                        
                            
                                | gptkbp:function | cell cycle regulation cyclin-dependent protein serine/threonine kinase inhibitor activity
 inhibits cyclin-CDK2 or cyclin-CDK4 complexes
 
 | 
                        
                            
                                | gptkbp:interactsWith | gptkb:cyclin_D gptkb:CDK2
 gptkb:CDK4
 gptkb:cyclin_E
 
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                                | gptkbp:locale | gptkb:nucleus gptkb:cytoplasm
 
 | 
                        
                            
                                | gptkbp:locatedOnChromosome | gptkb:12p13 
 | 
                        
                            
                                | gptkbp:molecularWeight | 27 kDa 
 | 
                        
                            
                                | gptkbp:organism | gptkb:Homo_sapiens 
 | 
                        
                            
                                | gptkbp:orthologInMouse | gptkb:Cdkn1b 
 | 
                        
                            
                                | gptkbp:PDB | 1JSU 
 | 
                        
                            
                                | gptkbp:postTranslationalModification | phosphorylation ubiquitination
 
 | 
                        
                            
                                | gptkbp:regulates | G1 phase of cell cycle 
 | 
                        
                            
                                | gptkbp:role | gptkb:tumor_suppressor downregulated in many cancers
 
 | 
                        
                            
                                | gptkbp:significance | prognostic marker in cancer 
 | 
                        
                            
                                | gptkbp:UniProtID | P46527 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:CDKN1B 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | p27^Kip1 
 |