Sequence alignment between 1d9s(A) and UniProt seq P55271 (CDN2B_MOUSE):

P55271 (CDN2B_MOUSE): Cyclin-dependent kinase 4 inhibitor B from Mus musculus
                       10        20        30        40        50        60        70        80        90       100       110       120       130
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: ------MLGGSSDAGLATAAARGQVETVRQLLEAGADPNALNRFGRRPIQVMMMGSAQVAELLLLHGAEPNCADPATLTRPVHDAAREGFLDTLVVLHRAGARLDVCDAWGRLPVDLAEEQGHRDIARYLHAATGD
PDB seq: GSPGIHMLGGSSDAGLATAAARGQVETVRQLLEAGADPNALNRFGRRPIQVMMMGSAQVAELLLLHGAEPNCADPATLTRPVHDAAREGFLDTLVVLHRAGARLDVCDAWGRLPVDLAEEQGHRDIARYLHAATGD
         -----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
              0        10        20        30        40        50        60        70        80        90       100       110       120       130