>1DC2_1|Chain A|CYCLIN-DEPENDENT KINASE 4 INHIBITOR A (P16INK4A)|Homo sapiens (9606) MEPAAGSSMEPSADWLATAAARGRVEEVRALLEAGALPNAPNSYGRRPIQVMMMGSARVAELLLLHGAEPNCADPATLTRPVHDAAREGFLDTLVVLHRAGARLDVRDAWGRLPVDLAEELGHRDVARYLRAAAGGTRGSNHARIDAAEGPSDIPD