human_protein_name: cyclin-dependent kinase inhibitor 1 isoform 1
description: Cyclin-dependent kinase inhibitor (CKI) p21 (Waf1/Cip1/Sdi1) blocks viral infection by complexing with HIV-1 integrase and aborting chromosomal integration in hematopoietic stem cells
human_protein_sequence: MSEPAGDVRQNPCGSKACRRLFGPVDSEQLSRDCDALMAGCIQEARERWNFDFVTETPLEGDFAWERVRGLGLPKLYLPTGPRRGRDELGGGRRPGTSPALLQGTAEEDHVDLSLSCTLVPRSGEQAEGSPGGPGDSQGRKRRQTSMTDFYHSKRRLIFSKRKP