Sequence alignment between 1mx4(A) and UniProt seq P42773 (CDN2C_HUMAN):

P42773 (CDN2C_HUMAN): Cyclin-dependent kinase 4 inhibitor C from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160        
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MAEPWGNELASAAARGDLEQLTSLLQNNVNVNAQNGFGRTALQVMKLGNPEIARRLLLRGANPDLKDRTGFAVIHDAARAGFLDTLQTLLEFQADVNIEDNEGNLPLHLAAKEGHLRVVEFLVKHTASNVGHRNHKGDTACDLARLYGRNEVVSLMQANGAGGATNLQ
         .................................................................................X......................................................................................
PDB seq: ----WGNELASAAARGDLEQLTSLLQNNVNVNAQNGFGRTALQVMKLGNPEIARRLLLRGANPDLKDRTGFAVIHDAARAGQLDTLQTLLEFQADVNIEDNEGNLPLHLAAKEGHLRVVEFLVKHTASNVGHRNHKGDTACDLARLYGRNEVVSLMQANG--------
             -----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+        
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160