Reactome | TOPBP1 [nucleoplasm]

TOPBP1 [nucleoplasm]

Stable Identifier

R-HSA-5684878

Type

Protein [EntityWithAccessionedSequence]

Species

Homo sapiens

Compartment

nucleoplasm

Synonyms

DNA topoisomerase 2-binding protein 1

Locations in the PathwayBrowser

Expand all

Cell Cycle (Homo sapiens)

- Cell Cycle Checkpoints (Homo sapiens)
  - G2/M Checkpoints (Homo sapiens)
    - G2/M DNA damage checkpoint (Homo sapiens)
      - ATR phosphorylates TP53 (Homo sapiens)
        
        ATR:ATRIP:RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)

DNA Repair (Homo sapiens)

- DNA Double-Strand Break Repair (Homo sapiens)
  - Homology Directed Repair (Homo sapiens)
    - HDR through Homologous Recombination (HRR) or Single Strand Annealing (SSA) (Homo sapiens)
      - HDR through Homologous Recombination (HRR) (Homo sapiens)
        
        Homologous DNA Pairing and Strand Exchange (Homo sapiens)
        
        Presynaptic phase of homologous DNA pairing and strand exchange (Homo sapiens)
        
        RAD51 binds BRCA2 at resected DNA DSBs (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
      - HDR through Single Strand Annealing (SSA) (Homo sapiens)
        
        Association of RAD51 with RAD52:DNA double-strand break ends (Homo sapiens)
        
        RAD51:p-Y104-RAD52:p-RPA:ATR:ATRIP:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        p-Y104-RAD52:p-RPA:ATR:ATRIP:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        p-Y104-RAD52:p-RPA:ATR:ATRIP:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        Association of RAD52 with the RPA complex at resected DNA DSBs (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        p-Y104-RAD52:p-RPA:ATR:ATRIP:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        ERCC1:XPF cleaves flaps generated by SSA (Homo sapiens)
        
        RAD51:p-Y104-RAD52:p-RPA:ATR:ATRIP:DNA DSBs with annealed 3' ssDNA overhangs and displaced flaps:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        p-Y104-RAD52:p-RPA:ATR:ATRIP:DNA DSBs with annealed 3' ssDNA overhangs and displaced flaps:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        ATR:ATRIP:p-RPA:DNA DSBs with annealed 3' ssDNA overhangs and displaced flaps:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        RAD52 promotes single strand annealing at resected DNA DSBs (Homo sapiens)
        
        RAD51:p-Y104-RAD52:p-RPA:ATR:ATRIP:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        p-Y104-RAD52:p-RPA:ATR:ATRIP:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        RAD51:p-Y104-RAD52:p-RPA:ATR:ATRIP:DNA DSBs with annealed 3' ssDNA overhangs and displaced flaps:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        p-Y104-RAD52:p-RPA:ATR:ATRIP:DNA DSBs with annealed 3' ssDNA overhangs and displaced flaps:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        ATR:ATRIP:p-RPA:DNA DSBs with annealed 3' ssDNA overhangs and displaced flaps:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
      - Processing of DNA double-strand break ends (Homo sapiens)
        
        ATR activation at DNA DSBs (Homo sapiens)
        
        ATR:ATRIP:RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        ATR phosphorylates RPA2 (Homo sapiens)
        
        ATR:ATRIP:RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        Activation of CHEK1 at resected DNA DSBs (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1:TIMELESS:TIPIN:p-T916,S945-CLSPN:CHEK1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        CHEK1 is recruited to resected DNA DSBs (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1:TIMELESS:TIPIN:p-T916,S945-CLSPN:CHEK1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)

Disease (Homo sapiens)

- Diseases of DNA repair (Homo sapiens)
  - Diseases of DNA Double-Strand Break Repair (Homo sapiens)
    - Defective homologous recombination repair (HRR) due to BRCA2 loss of function (Homo sapiens)
      - Impaired BRCA2 binding to RAD51 (Homo sapiens)
        
        BRCA2 mutants with BRC defects or a defect in the C-terminal RAD51 binding site do not bind RAD51 (Homo sapiens)
        
        ATR:ATRIP:p-RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)

Gene expression (Transcription) (Homo sapiens)

- RNA Polymerase II Transcription (Homo sapiens)
  - Generic Transcription Pathway (Homo sapiens)
    - Transcriptional Regulation by TP53 (Homo sapiens)
      - Regulation of TP53 Activity (Homo sapiens)
        
        Regulation of TP53 Activity through Phosphorylation (Homo sapiens)
        
        ATR phosphorylates TP53 (Homo sapiens)
        
        ATR:ATRIP:RPA:3' overhanging ssDNA-DSBs:p-MRN:p-S1981,Ac-K3016-ATM:KAT5:BRCA1-C complex:EXO1,DNA2:BLM,WRN:p-S990,Ac-K1249-BRIP1:RAD17:RFC:RAD9:HUS1:RAD1:RHNO1:TOPBP1 [nucleoplasm] (Homo sapiens)
        
        TOPBP1 [nucleoplasm] (Homo sapiens)

External Reference Information

External Reference

UniProt:Q92547 TOPBP1

Gene Names

TOPBP1, KIAA0259

Chain

chain:1-1522

Reference Genes

BioGPS Gene:11073 TOPBP1

COSMIC (genes):TOPBP1 TOPBP1

CTD Gene:11073 TOPBP1

dbSNP Gene:11073 TOPBP1

ENSEMBL:ENSG00000163781 TOPBP1

ENSEMBL_homo_sapiens_GENE:ENSG00000163781.14 TOPBP1

HGNC:17008 TOPBP1

KEGG Gene (Homo sapiens):11073 TOPBP1

Monarch:11073 TOPBP1

NCBI Gene:11073 TOPBP1

OMIM:607760 TOPBP1

UCSC:Q92547 TOPBP1

Reference Transcript

Other Identifiers

11073

11743823_at

11743824_s_at

16959325

202633_PM_at

202633_at

2695946

2695947

2695948

2695949

2695950

2695951

2695956

2695957

2695959

2695961

2695962

2695963

2695964

2695967

2695970

2695971

2695973

2695975

2695976

2695978

2695979

2695982

2695983

2695984

2695985

2695986

2695987

2695988

2695991

2695993

2695996

2695998

2695999

2696000

2696002

2696004

2696005

2696006

38834_at

8090772

A_23_P159390

D87448_at

GE57402

GO:0000076

GO:0000077

GO:0000228

GO:0000278

GO:0000724

GO:0000794

GO:0000922

GO:0001673

GO:0003677

GO:0005515

GO:0005634

GO:0005654

GO:0005694

GO:0005737

GO:0005813

GO:0005815

GO:0005856

GO:0005886

GO:0006259

GO:0006260

GO:0006270

GO:0006281

GO:0006310

GO:0006325

GO:0006974

GO:0007095

GO:0010212

GO:0015629

GO:0016604

GO:0016605

GO:0023052

GO:0033314

GO:0035825

GO:0035861

GO:0042802

GO:0043226

GO:0043539

GO:0051276

GO:0060090

GO:0070532

GO:0090734

GO:0097680

GO:0097681

GO:0098772

GO:0140031

GO:0140463

GO:1990166

HMNXSV003007839

ILMN_1684929

PH_hs_0005079

TC03001796.hg

TC03003098.hg

g5902137_3p_at

Participates

as an output of

as a component of

as an input of

ATR activation at DNA DSBs (Homo sapiens)

Inferred To

topbp1 [nucleoplasm] (Xenopus tropicalis)

rad4 [nucleoplasm] (Schizosaccharomyces pombe)

TOPBP1 [nucleoplasm] (Bos taurus)

TOPBP1 [nucleoplasm] (Canis familiaris)

TOPBP1 [nucleoplasm] (Gallus gallus)

TOPBP1 [nucleoplasm] (Sus scrofa)

Topbp1 [nucleoplasm] (Mus musculus)

Topbp1 [nucleoplasm] (Rattus norvegicus)

mus-101 [nucleoplasm] (Caenorhabditis elegans)

mus101 [nucleoplasm] (Drosophila melanogaster)

Cross References

RefSeq

XP_016861125.1, NP_008958.2

OpenTargets

ENSG00000163781

HPA

ENSG00000163781-TOPBP1

GeneCards

Q92547

ZINC target

Q92547

Ensembl

ENSG00000163781, ENST00000260810, ENSP00000260810

PRO

Q92547

Pharos - Targets

Q92547

PDB

3OLC, 1WF6, 6RMM, 7CMZ, 6RML, 3PD7, 3UEN, 3JVE, 2XNH, 3UEO, 2XNK, 3AL3, 3AL2

Interactors (9)

Accession	#Entities	Entities	Confidence Score	Evidence (IntAct)
UniProt:Q01094 E2F1	2	E2F1 [nucleoplasm] (R-HSA-68639) p-E2F1 [nucleoplasm] (R-HSA-187911)	0.704	4
UniProt:P03120 VE2			0.667	4
UniProt:Q9UGU0 TCF20			0.649	8
UniProt:Q92547 TOPBP1	1	TOPBP1 [nucleoplasm] (R-HSA-5684878)	0.544	5
UniProt:O75419 CDC45	1	CDC45 [nucleoplasm] (R-HSA-68563)	0.544	6
UniProt:P31749 AKT1	14	p-T308,S473-AKT1 E17K [nucleoplasm] (R-HSA-2399994) p-T308,S473-AKT1 E17K [cytosol] (R-HSA-2243935) AKT1 E17K [cytosol] (R-HSA-2219526) p-S473-AKT1 E17K [plasma membrane] (R-HSA-2243944) AKT1 E17K [plasma membrane] (R-HSA-1500573) p-S473-AKT1 [cytosol] (R-HSA-9841264) p-T308,S473-AKT1 [plasma membrane] (R-HSA-199430) p-Y315,Y326-AKT1 [cytosol] (R-HSA-8848757) p-T308-AKT1 [cytosol] (R-HSA-198634) AKT1 [cytosol] (R-HSA-58252) AKT1 [plasma membrane] (R-HSA-199416) p-S473-AKT1 [plasma membrane] (R-HSA-377265) p-T308,S473-AKT1 [cytosol] (R-HSA-198356) p-T308,S473-AKT1 [nucleoplasm] (R-HSA-198357)	0.544	2
UniProt:Q16878 CDO1	1	CDO1 [cytosol] (R-HSA-1614586)	0.527	2
UniProt:Q9NTU7 CBLN4			0.527	2
UniProt:P53350 PLK1	4	PLK1 [nucleoplasm] (R-HSA-156720) p-T210-PLK1 [cytosol] (R-HSA-3000318) p-T210-PLK1 [nucleoplasm] (R-HSA-3002800) PLK1 [cytosol] (R-HSA-164603)	0.527	3

Cite Us!