Sequence alignment between 4z9v(A) and UniProt seq Q07817 (B2CL1_HUMAN):

Q07817 (B2CL1_HUMAN): Bcl-2-like protein 1 from Homo sapiens
                  10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230   
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---
UniProt: -MSQSNRELVVDFLSYKLSQKGYSWSQFSDVEENRTEAPEGTESEMETPSAINGNPSWHLADSPAVNGATGHSSSLDAREVIPMAAVKQALREAGDEFELRYRRAFSDLTSQLHITPGTAYQSFEQVVNELFRDGVNWGRIVAFFSFGGALCVESVDKEMQVLVSRIAAWMATYLNDHLEPWIQENGGWDTFVELYGNNAAAESRKGQERFNRWFLTGMTVAGVVLLGSLFSRK
         ...........................XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.......................................................................................................................................................
PDB seq: HMSQSNRELVVDFLSYKLSQKGYSWSQ--------------------------------------------------------MAAVKQALREAGDEFELRYRRAFSDLTSQLHITPGTAYQSFEQVVNELFRDGVNWGRIVAFFSFGGALCVESVDKEMQVLVSRIAAWMATYLNDHLEPWIQENGGWDTFVELYGNNAAAESRKGQE-------------------------
         ----------+---------+------                                                        -------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------                         
                  10        20                                                                    90       100       110       120       130       140       150       160       170       180       190       200