Legend

%id Code Chains Pic Error? Sym Nsub Sprot Weight Ref H E R Org Fun
% seq. id. PDB Code query & target Graph picture Is the current PDB state judged to be an error? Symmetry No. subunits SwissProt link No. of amino acids (per chain) Pubmed ID Get Homologs Edit Structure View structure Organism Function
NOTE: roll over NO, PROBNOT or YES, PROBYES to read PiQSi annotation, and roll over the PDB name to read its title.

Protein reference

Code Pic Error? Sym1 Nsub1 Sym2 Nsub2 Error_auto? Sym_auto Nsub_auto SProt Weight Ref H E R Org Fun
PDBPiQSi
3m1d_1? NPS1??- --Q13490PHERHomo sapiensMETAL BINDING PROTEIN

Homologs

%id Code Chains Pic Error? Sym1 Nsub1 Sym2 Nsub2 Error_auto Sym_auto Nsub_auto SProt Weight Ref H E R Org Fun
1003m1d_2A & B? NPS1??? Q13490PHERHomo sapiensMETAL BINDING PROTEIN
893m0a_1A & D? NPS4??? Q12933PHERHomo sapiensSIGNALING PROTEIN
893m0d_1A & D? NPS4??? Q12933PHERHomo sapiensSIGNALING PROTEIN
893m0d_2A & D? NPS4??? Q12933PHERHomo sapiensSIGNALING PROTEIN
493mup_1A & A? C24??? Q13490PHERHomo sapiensAPOPTOSIS INHIBITOR
493oz1_1A & A? NPS1??? Q13490PHERHomo sapiensAPOPTOSIS INHIBITOR
493oz1_2A & B? NPS1??? Q13490PHERHomo sapiensAPOPTOSIS INHIBITOR
493oz1_3A & C? NPS1??? Q13490PHERHomo sapiensAPOPTOSIS INHIBITOR
493oz1_4A & D? NPS1??? Q13490PHERHomo sapiensAPOPTOSIS INHIBITOR
494eb9_1A & A? C22??? Q13490PHERHomo sapiensAPOPTOSIS INHIBITOR
494eb9_2A & D? C22??? Q13490PHERHomo sapiensAPOPTOSIS INHIBITOR
494hy4_1A & A? NPS1??? Q13490PHERHomo sapiensLIGASE/LIGASE INHIBITOR
494hy4_2A & B? NPS1??? Q13490PHERHomo sapiensLIGASE/LIGASE INHIBITOR
494hy5_1A & A? NPS1??? Q13490PHERHomo sapiensLIGASE/LIGASE INHIBITOR
494hy5_2A & B? NPS1??? Q13490PHERHomo sapiensLIGASE/LIGASE INHIBITOR
494kmn_1A & A? NPS1??? Q13490PHERHomo sapiensLIGASE/LIGASE INHIBITOR
494lge_1A & A? NPS1??? Q13490PHERHomo sapiensLigase/Ligase inhibitor
494lge_2A & B? NPS1??? Q13490PHERHomo sapiensLigase/Ligase inhibitor
494lgu_1A & A? NPS1??? Q13490PHERHomo sapiensLigase/Ligase inhibitor
494lgu_2A & B? NPS1??? Q13490PHERHomo sapiensLigase/Ligase inhibitor
494mti_1A & A? NPS1??? Q13490PHERHomo sapiensAPOPTOSIS INHIBITOR
494mti_2A & B? NPS1??? Q13490PHERHomo sapiensAPOPTOSIS INHIBITOR
494mu7_1A & A? NPS1??? Q13490PHERHomo sapiensAPOPTOSIS INHIBITOR
494mu7_2A & B? NPS1??? Q13490PHERHomo sapiensAPOPTOSIS INHIBITOR
473uw4_1A & A? NPS1??? Q13490PHERHomo sapiensApoptosis Inhibitor
443d9t_1A & A? NPS1??? Q13490PHERHomo sapiensAPOPTOSIS
443d9t_2A & B? NPS1??? Q13490PHERHomo sapiensAPOPTOSIS
443d9u_1A & A? NPS1??? Q13490PHERHomo sapiensAPOPTOSIS
431g73_1A & C? NPS2??? Q9NR28PHERHomo sapiensAPOPTOSIS/APOPTOSIS INHIBITOR
431g73_2A & D? NPS2??? Q9NR28PHERHomo sapiensAPOPTOSIS/APOPTOSIS INHIBITOR
431nw9_1A & A? NPS2??? P98170PHERHomo sapiensAPOPTOSIS
431xb0_1A & E? C66??? Q96P09PHERHomo sapiensAPOPTOSIS
431xb1_1A & A? C66??? Q96P09PHERHomo sapiensAPOPTOSIS
431xb1_2A & O? D612??? Q96P09PHERHomo sapiensAPOPTOSIS
432jk7_1A & A? NPS1??? P98170PHERHOMO SAPIENSAPOPTOSIS
432opy_1A & A? C22??? P98170PHERHomo sapiensapoptosis activator
432opz_1A & C? C22??? P98170PHERHomo sapiensapoptosis inhibitor
432opz_2A & B? C22??? P98170PHERHomo sapiensapoptosis inhibitor
432uvl_1A & A? NPS1??? 2UVLPHERHOMO SAPIENSMETAL-BINDING PROTEIN
432uvl_2A & B? NPS1??? 2UVLPHERHOMO SAPIENSMETAL-BINDING PROTEIN
432vsl_1A & A? NPS1??? P98170PHERHOMO SAPIENSLIGASE
433clx_1A & A? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433clx_2A & B? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433clx_3A & C? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433clx_4A & D? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433clx_5A & A? C22??? P98170PHERHomo sapiensLigase, Apoptosis
433clx_6A & D? C22??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_1A & F? C22??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_10A & E? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_11A & F? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_12A & G? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_13A & H? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_14A & I? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_15A & J? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_2A & A? C22??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_3A & H? C22??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_4A & C? C22??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_5A & G? C22??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_6A & A? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_7A & B? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_8A & C? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm2_9A & D? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm7_1A & D? C22??? P98170PHERHomo sapiensLigase, Apoptosis
433cm7_2A & A? C22??? P98170PHERHomo sapiensLigase, Apoptosis
433cm7_3A & C? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm7_4A & A? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm7_5A & B? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433cm7_6A & D? NPS1??? P98170PHERHomo sapiensLigase, Apoptosis
433eyl_1A & A? C22??? P98170PHERHomo sapiensLIGASE
433g76_1A & A? NPS1??? P98170PHERHomo sapiensLIGASE
433g76_2A & B? NPS1??? P98170PHERHomo sapiensLIGASE
433g76_3A & C? NPS1??? P98170PHERHomo sapiensLIGASE
433g76_4A & D? NPS1??? P98170PHERHomo sapiensLIGASE
433g76_5A & E? NPS1??? P98170PHERHomo sapiensLIGASE
433g76_6A & F? NPS1??? P98170PHERHomo sapiensLIGASE
433g76_7A & G? NPS1??? P98170PHERHomo sapiensLIGASE
433g76_8A & H? NPS1??? P98170PHERHomo sapiensLIGASE
433hl5_1A & A? NPS1??? P98170PHERHomo sapiensLIGASE
433hl5_2A & B? NPS1??? P98170PHERHomo sapiensLIGASE
434ec4_1A & A? C22??? P98170PHERHomo sapiensAPOPTOSIS INHIBITOR
434ec4_2A & G? C22??? P98170PHERHomo sapiensAPOPTOSIS INHIBITOR
434ec4_3A & C? C22??? P98170PHERHomo sapiensAPOPTOSIS INHIBITOR
434ec4_4A & D? C22??? P98170PHERHomo sapiensAPOPTOSIS INHIBITOR
434ec4_5A & L? C22??? P98170PHERHomo sapiensAPOPTOSIS INHIBITOR
434hy0_1A & B? C22??? P98170PHERHomo sapiensLIGASE/LIGASE INHIBITOR
434hy0_2A & H? C22??? P98170PHERHomo sapiensLIGASE/LIGASE INHIBITOR
434hy0_3A & E? C22??? P98170PHERHomo sapiensLIGASE/LIGASE INHIBITOR
434hy0_4A & G? C22??? P98170PHERHomo sapiensLIGASE/LIGASE INHIBITOR
434kmp_1A & A? NPS1??? P98170PHERHomo sapiensLIGASE/LIGASE INHIBITOR
434kmp_2A & B? NPS1??? P98170PHERHomo sapiensLIGASE/LIGASE INHIBITOR
422poi_1A & B? C22??? P98170PHERHomo sapiensSIGNALING PROTEIN/APOPTOSIS
422pop_1A & B? C24??? Q15750PHERHomo sapiensSIGNALING PROTEIN/APOPTOSIS
422qra_1A & C? C22??? P98170PHERHomo sapiensApoptosis, Signaling protein
422qra_2A & A? C22??? P98170PHERHomo sapiensApoptosis, Signaling protein
424mtz_1A & D? C22??? P98170PHERHomo sapiensLIGASE/LIGASE INHIBITOR
424mtz_2A & B? C22??? P98170PHERHomo sapiensLIGASE/LIGASE INHIBITOR
424oxc_1A & A? NPS1??? P98170PHERHomo sapiensLIGASE
424oxc_2A & B? NPS1??? P98170PHERHomo sapiensLIGASE
424oxc_3A & C? NPS1??? P98170PHERHomo sapiensLIGASE
424oxc_4A & D? NPS1??? P98170PHERHomo sapiensLIGASE
411oxn_1A & A? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxn_10A & A? C22??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxn_11A & E? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxn_2A & B? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxn_3A & C? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxn_4A & D? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxn_5A & E? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxn_6A & A? NS5??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxn_7A & A? NS3??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxn_8A & C? C22??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxn_9A & D? NS2??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxq_1A & A? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxq_10A & A? C22??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxq_11A & E? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxq_2A & B? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxq_3A & C? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxq_4A & D? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxq_5A & E? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxq_6A & A? NS5??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxq_7A & D? NS3??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxq_8A & C? C22??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oxq_9A & D? NS2??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oy7_1A & A? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oy7_2A & B? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oy7_3A & C? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oy7_4A & D? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oy7_5A & E? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oy7_6A & D? C22??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oy7_7A & B? C22??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
411oy7_8A & E? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS/peptide
413f7g_1A & A? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS
413f7g_2A & B? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS
413f7g_3A & C? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS
413f7g_4A & D? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS
413f7g_5A & E? NPS1??? Q96CA5PHERHomo sapiensAPOPTOSIS
413f7g_6A & A? C24??? Q96CA5PHERHomo sapiensAPOPTOSIS
391i3o_1A & F? C26??? P42574PHERHomo sapiensAPOPTOSIS
391tw6_1A & A? NPS1??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
391tw6_2A & B? NPS1??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
391tw6_3A & A? C24??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
391tw6_4A & A? NS2??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
391tw6_5A & A? NPS1??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
392i3h_1A & A? NPS1??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
392i3h_2A & B? NPS1??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
392i3h_3A & A? C24??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
392i3h_4A & A? NS2??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
392i3h_5A & A? C24??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
392i3h_6A & A? C24??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
392i3h_7A & A? NS2??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
392i3i_1A & A? NPS1??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
392i3i_2A & B? NPS1??? Q96CA5PHERHomo sapiensINHIBITOR/APOPTOSIS
393f7h_1A & A? NPS1??? Q6R308PHERHomo sapiensAPOPTOSIS
393f7h_2A & B? NPS1??? Q6R308PHERHomo sapiensAPOPTOSIS
393f7i_1A & A? NPS1??? Q6R308PHERHomo sapiensAPOPTOSIS
393f7i_2A & B? NPS1??? Q6R308PHERHomo sapiensAPOPTOSIS
393gt9_1A & A? NPS1??? Q6R308PHERHomo sapiensAPOPTOSIS
393gt9_2A & B? NPS1??? Q6R308PHERHomo sapiensAPOPTOSIS
393gta_1A & A? NPS1??? Q6R308PHERHomo sapiensAPOPTOSIS
393gta_2A & B? NPS1??? Q6R308PHERHomo sapiensAPOPTOSIS
393uw5_1A & A? NPS1??? Q96CA5PHERHomo sapiensApoptosis Inhibitor
393uw5_2A & B? NPS1??? Q96CA5PHERHomo sapiensApoptosis Inhibitor
394j3y_1A & A? C22??? P98170PHERHomo sapiensAPOPTOSIS
394j44_1A & A? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394j44_2A & C? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394j45_1A & A? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394j45_2A & C? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394j46_1A & A? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394j46_2A & C? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394j47_1A & A? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394j47_2A & C? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394j48_1A & A? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394j48_2A & C? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394kju_1A & A? NPS1??? P98170PHERHomo sapiensAPOPTOSIS/APOPTOSIS INHIBITOR
394kju_2A & C? NPS1??? P98170PHERHomo sapiensAPOPTOSIS/APOPTOSIS INHIBITOR
394kjv_1A & A? NPS1??? P98170PHERHomo sapiensAPOPTOSIS/APOPTOSIS INHIBITOR
394kjv_2A & C? NPS1??? P98170PHERHomo sapiensAPOPTOSIS/APOPTOSIS INHIBITOR
394wvt_1A & A? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394wvt_2A & B? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
394wvu_1A & A? NPS1??? P98170PHERHomo sapiensAPOPTOSIS
362vm5_1A & A? NPS1??? 2VM5PHERHOMO SAPIENSAPOPTOSIS
351jd4_1A & APROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS
351jd4_2A & BPROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS
351jd5_1A & APROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterHydrolase/Peptide
351jd6_1A & APROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterHydrolase/Peptide
351q4q_1A & APROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS INHIBITOR
351q4q_10A & JPROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS INHIBITOR
351q4q_2A & BPROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS INHIBITOR
351q4q_3A & CPROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS INHIBITOR
351q4q_4A & DPROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS INHIBITOR
351q4q_5A & EPROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS INHIBITOR
351q4q_6A & FPROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS INHIBITOR
351q4q_7A & GPROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS INHIBITOR
351q4q_8A & HPROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS INHIBITOR
351q4q_9A & IPROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS INHIBITOR
341sdz_1A & APROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS
341se0_1A & APROBNOT NPS1NPS1? Q24306PHERDrosophila melanogasterAPOPTOSIS
343sip_1A & F? D212??? O01382PHER0HYDROLASE/LIGASE/HYDROLASE
343sip_2A & F? C26??? O01382PHER0HYDROLASE/LIGASE/HYDROLASE
343siq_1A & A? NPS1??? Q24306PHER0LIGASE
343siq_2A & B? NPS1??? Q24306PHER0LIGASE
343siq_3A & C? NPS1??? Q24306PHER0LIGASE
343siq_4A & D? NPS1??? Q24306PHER0LIGASE
343siq_5A & E? NPS1??? Q24306PHER0LIGASE
343siq_6A & F? NPS1??? Q24306PHER0LIGASE
301e31_1A & ANO C22C22? O15392PHERHOMO SAPIENSAPOPTOSIS INHIBITOR
301f3h_1A & ANO C22C22? O15392PHERHomo sapiensAPOPTOSIS
302qfa_1A & A? NPS3??? O15392PHERHomo sapiensCell cycle/Cell cycle/Cell cycle
302raw_1A & A? NPS2??? O15392PHERHomo sapiensCELL CYCLE
302rax_1A & A? NPS2??? O15392PHERHomo sapiensCELL CYCLE
302rax_2A & E? NPS2??? O15392PHERHomo sapiensCELL CYCLE
302rax_3A & X? NPS2??? O15392PHERHomo sapiensCELL CYCLE
303uec_1A & A? C22??? O15392PHERHomo sapiensCELL CYCLE
303ued_1A & C? C22??? O15392PHERHomo sapiensCELL CYCLE
303uee_1A & A? C22??? O15392PHERHomo sapiensCELL CYCLE
303uef_1A & A? C22??? O15392PHERHomo sapiensCELL CYCLE
303ueg_1A & A? C22??? O15392PHERHomo sapiensCELL CYCLE
303ueh_1A & A? C22??? O15392PHERHomo sapiensCELL CYCLE
303uei_1A & A? C22??? O15392PHERHomo sapiensCELL CYCLE
303uig_1A & A? C22??? O15392PHERHomo sapiensAPOPTOSIS/APOPTOSIS INHIBITOR
303uih_1A & A? C22??? O15392PHERHomo sapiensAPOPTOSIS/APOPTOSIS INHIBITOR
303uii_1A & A? C22??? O15392PHERHomo sapiensAPOPTOSIS/APOPTOSIS INHIBITOR
303uij_1A & A? C22??? O15392PHERHomo sapiensAPOPTOSIS/APOPTOSIS INHIBITOR
303uik_1A & A? C22??? O15392PHERHomo sapiensAPOPTOSIS/APOPTOSIS INHIBITOR
304a0i_1A & B? C22??? O15392PHER0CELL CYCLE
304a0j_1A & A? NPS1??? O15392PHER0CELL CYCLE
304a0j_2A & B? NPS1??? O15392PHER0CELL CYCLE
304a0n_1A & A? NPS1??? O15392PHER0CELL CYCLE
291m4m_1A & AYES NPS1C22? O70201PHERMus musculusAPOPTOSIS
291m4m_2A & ANO C22C22? O70201PHERMus musculusAPOPTOSIS
291m4m_3A & ANO C22C22? O70201PHERMus musculusAPOPTOSIS