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Overview

Uniprot IDQ13625
Protein NameApoptosis-stimulating of p53 protein 2
Gene NameTP53BP2
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
477 PSFGTLRKNQSSEDI

Function

Regulator that plays a central role in regulation of apoptosis and cell growth via its interactions with proteins such as TP53 (PubMed:12524540). Regulates TP53 by enhancing the DNA binding and transactivation function of TP53 on the promoters of proapoptotic genes in vivo. Inhibits the ability of NAE1 to conjugate NEDD8 to CUL1, and thereby decreases NAE1 ability to induce apoptosis. Impedes cell cycle progression at G2/M. Its apoptosis-stimulating activity is inhibited by its interaction with DDX42

Protein Sequence

10 MMPMFLTVYL 20 SNNEQHFTEV 30 PVTPETICRD 40 VVDLCKEPGE 50 SDCHLAEVWC 60 GSERPVADNE 70 RMFDVLQRFG 80 SQRNEVRFFL 90 RHERPPGRDI 100 VSGPRSQDPS 110 LKRNGVKVPG 120 EYRRKENGVN 130 SPRMDLTLAE 140 LQEMASRQQQ 150 QIEAQQQLLA 160 TKEQRLKFLK 170 QQDQRQQQQV 180 AEQEKLKRLK 190 EIAENQEAKL 200 KKVRALKGHV 210 EQKRLSNGKL 220 VEEIEQMNNL 230 FQQKQRELVL 240 AVSKVEELTR 250 QLEMLKNGRI 260 DSHHDNQSAV 270 AELDRLYKEL 280 QLRNKLNQEQ 290 NAKLQQQREC 300 LNKRNSEVAV 310 MDKRVNELRD 320 RLWKKKAALQ 330 QKENLPVSSD 340 GNLPQQAASA 350 PSRVAAVGPY 360 IQSSTMPRMP 370 SRPELLVKPA 380 LPDGSLVIQA 390 SEGPMKIQTL 400 PNMRSGAASQ 410 TKGSKIHPVG 420 PDWSPSNADL 430 FPSQGSASVP 440 QSTGNALDQV 450 DDGEVPLREK 460 EKKVRPFSMF 470 DAVDQSNAPP 480 SFGTLRKNQS 490 SEDILRDAQV 500 ANKNVAKVPP 510 PVPTKPKQIN 520 LPYFGQTNQP 530 PSDIKPDGSS 540 QQLSTVVPSM 550 GTKPKPAGQQ 560 PRVLLSPSIP 570 SVGQDQTLSP 580 GSKQESPPAA 590 AVRPFTPQPS 600 KDTLLPPFRK 610 PQTVAASSIY 620 SMYTQQQAPG 630 KNFQQAVQSA 640 LTKTHTRGPH 650 FSSVYGKPVI 660 AAAQNQQQHP 670 ENIYSNSQGK 680 PGSPEPETEP 690 VSSVQENHEN 700 ERIPRPLSPT 710 KLLPFLSNPY 720 RNQSDADLEA 730 LRKKLSNAPR 740 PLKKRSSITE 750 PEGPNGPNIQ 760 KLLYQRTTIA 770 AMETISVPSY 780 PSKSASVTAS 790 SESPVEIQNP 800 YLHVEPEKEV 810 VSLVPESLSP 820 EDVGNASTEN 830 SDMPAPSPGL 840 DYEPEGVPDN 850 SPNLQNNPEE 860 PNPEAPHVLD 870 VYLEEYPPYP 880 PPPYPSGEPE 890 GPGEDSVSMR 900 PPEITGQVSL 910 PPGKRTNLRK 920 TGSERIAHGM 930 RVKFNPLALL 940 LDSSLEGEFD 950 LVQRIIYEVD 960 DPSLPNDEGI 970 TALHNAVCAG 980 HTEIVKFLVQ 990 FGVNVNAADS 1000 DGWTPLHCAA 1010 SCNNVQVCKF 1020 LVESGAAVFA 1030 MTYSDMQTAA 1040 DKCEEMEEGY 1050 TQCSQFLYGV 1060 QEKMGIMNKG 1070 VIYALWDYEP 1080 QNDDELPMKE 1090 GDCMTIIHRE 1100 DEDEIEWWWA 1110 RLNDKEGYVP 1120 RNLLGLYPRI KPRQRSLA

Gene Ontology

Classification GO ID Description
Cellular Component GO:0030054 cell junction
Cellular Component GO:0005829 cytosol
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005634 nucleus
Cellular Component GO:0048471 perinuclear region of cytoplasm
Molecular Function GO:0042802 identical protein binding
Molecular Function GO:0051059 NF-kappaB binding
Molecular Function GO:0002039 p53 binding
Molecular Function GO:0042803 protein homodimerization activity
Molecular Function GO:0017124 SH3 domain binding
Biological Process GO:0072332 intrinsic apoptotic signaling pathway by p53 class mediator
Biological Process GO:0045786 negative regulation of cell cycle
Biological Process GO:1900119 positive regulation of execution phase of apoptosis
Biological Process GO:0007165 signal transduction
Cellular Component GO:0005737 cytoplasm

Reference

[1] Wu Q, Li Z, Gong T, Zheng X, Zhou X et al.. Porphyromonas gingivalis infection induces lysine lactylation reprogramming in human umbilical vein endothelial cells.. Front Cell Infect Microbiol 16:1706727. 2026. PMID: 41696360.