Protein: NBN
Nibrin (Cell cycle regulatory protein p95) (Nijmegen breakage syndrome protein 1) (hNbs1)

Gene: NBN
Organism: Homo sapiens
Interactions: 181
UniProt ID: O60934

Gene Ontology (top 5):
GO:0000077 - DNA damage checkpoint signaling
GO:0000723 - telomere maintenance
GO:0000724 - double-strand break repair via homologous recombination
GO:0000729 - DNA double-strand break processing
GO:0000781 - chromosome, telomeric region

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

262041

MRE11
Double-strand break repair protein MRE11

43

2

Small-scale

0.994

High

262078

MDC1
Mediator of DNA damage checkpoint protein 1

15

2

Small-scale

0.987

High

262030

BRCA1
Breast cancer type 1 susceptibility protein

10

3

Small-scale

0.964

High

262105

TOPB1
DNA topoisomerase 2-binding protein 1

3

3

Small-scale

0.827

High

261985

RNF8
E3 ubiquitin-protein ligase RNF8

2

0

Small-scale

0.777

High

262108

RAD50
DNA repair protein RAD50

28

2

Small-scale

0.766

High

262071

ATM
Serine-protein kinase ATM

11

6

Small-scale

0.755

High

262122

VRK1
Serine/threonine-protein kinase VRK1

1

0

Small-scale

0.746

High

262074

ATR
Serine/threonine-protein kinase ATR

5

6

Small-scale

0.726

High

262012

H2AX
Histone H2AX

9

0

Small-scale

0.719

High

262119

CTIP
DNA endonuclease RBBP8

8

0

Small-scale

0.716

High

262082

TERF2
Telomeric repeat-binding factor 2

3

1

Small-scale

0.676

High

262037

ATRX
Transcriptional regulator ATRX

4

1

Small-scale

0.672

High

262081

RASA2
Ras GTPase-activating protein 2

1

0

High-throughput

0.656

High

262120

BARD1
BRCA1-associated RING domain protein 1

1

0

Small-scale

0.656

High

262146

TLK1
Serine/threonine-protein kinase tousled-like 1

1

1

Small-scale

0.647

High

262129

FACD2
Fanconi anemia group D2 protein

3

0

Small-scale

0.642

High

262067

EP300
Histone acetyltransferase p300

2

1

Small-scale

0.639

High

262068

TP53B
TP53-binding protein 1

2

1

Small-scale

0.624

High

262021

RFA1
Replication protein A 70 kDa DNA-binding subunit

3

0

Small-scale

0.619

High

262045

BLM
RecQ-like DNA helicase BLM

2

4

Small-scale

0.619

High

261996

P53
Cellular tumor antigen p53

3

0

High-throughput

0.619

High

262005

XRCC6
X-ray repair cross-complementing protein 6

1

1

High-throughput

0.618

High

262006

XRCC5
X-ray repair cross-complementing protein 5

1

1

Small-scale

0.618

High

262042

CDK9
Cyclin-dependent kinase 9

1

1

Small-scale

0.618

High

262090

PAXI1
PAX-interacting protein 1

1

3

Small-scale

0.618

High

262103

ATRIP
ATR-interacting protein

3

0

Small-scale

0.613

High

262073

TCOF
Treacle protein

1

1

Small-scale

0.604

High

262007

BMP1
Bone morphogenetic protein 1

2

0

High-throughput

0.602

High

262125

LZTS2
Leucine zipper putative tumor suppressor 2

2

0

High-throughput

0.602

High

262124

SOSB1
SOSS complex subunit B1

2

0

Small-scale

0.598

High

262137

RAD18
E3 ubiquitin-protein ligase RAD18

2

0

Small-scale

0.598

High

190756

RPA34
DNA-directed RNA polymerase I subunit RPA34

2

1

Small-scale

0.594

High

262072

XRCC4
DNA repair protein XRCC4

1

0

Small-scale

0.589

High

262019

CDK2
Cyclin-dependent kinase 2

1

0

Small-scale

0.586

High

262038

NOTC1
Neurogenic locus notch homolog protein 1

1

0

Small-scale

0.586

High

262139

TE2IP
Telomeric repeat-binding factor 2-interacting protein 1

1

0

High-throughput

0.586

High

261987

RECQ4
ATP-dependent DNA helicase Q4

2

4

Small-scale

0.584

High

262057

H31
Histone H3.1

2

1

Small-scale

0.584

High

262060

MDM2
E3 ubiquitin-protein ligase Mdm2

2

2

Small-scale

0.584

High

262077

WRN
Bifunctional 3'-5' exonuclease/ATP-dependent helicase WRN

2

4

Small-scale

0.584

High

262100

SLX4
Structure-specific endonuclease subunit SLX4

2

1

Small-scale

0.584

High

262112

SIR1
NAD-dependent protein deacetylase sirtuin-1

1

0

Small-scale

0.583

High

262003

PARP1
Poly [ADP-ribose] polymerase 1

1

2

Small-scale

0.575

High

261994

ESR1
Estrogen receptor

2

5

High-throughput

0.571

High

261984

RAD17
Cell cycle checkpoint protein RAD17

1

1

Small-scale

0.569

High

261988

RECQ5
ATP-dependent DNA helicase Q5

1

4

Small-scale

0.561

High

262058

PRKDC
DNA-dependent protein kinase catalytic subunit

1

4

Small-scale

0.561

High

262084

H31T
Histone H3.1t

1

1

Small-scale

0.561

High

240251

PRKN
E3 ubiquitin-protein ligase parkin

2

0

Small-scale

0.559

High

262011

RFA2
Replication protein A 32 kDa subunit

2

0

High-throughput

0.559

High

262027

RFA3
Replication protein A 14 kDa subunit

2

0

High-throughput

0.559

High

262061

E2F1
Transcription factor E2F1

2

0

Small-scale

0.559

High

262070

SKP2
S-phase kinase-associated protein 2

2

0

Small-scale

0.559

High

262116

DCR1C
Protein artemis

2

0

Small-scale

0.559

High

262128

FANCJ
Fanconi anemia group J protein

2

0

Small-scale

0.559

High

261982

OFD1
Centriole and centriolar satellite protein OFD1

2

0

High-throughput

0.547

High

262031

MLH1
DNA mismatch repair protein Mlh1

2

0

Small-scale

0.547

High

231539

PRKY
Putative serine/threonine-protein kinase PRKY

1

0

High-throughput

0.546

High

262028

RFC1
Replication factor C subunit 1

1

0

Small-scale

0.546

High

183405

CASC3
Protein CASC3

1

1

High-throughput

0.541

High

262083

HIF1A
Hypoxia-inducible factor 1-alpha

1

0

Small-scale

0.537

High

262110

UBP7
Ubiquitin carboxyl-terminal hydrolase 7

1

0

Small-scale

0.537

High

166102

AIM2
Interferon-inducible protein AIM2

1

1

High-throughput

0.536

High

262051

ERR3
Estrogen-related receptor gamma

1

4

High-throughput

0.536

High

262085

H2B2E
Histone H2B type 2-E

1

1

High-throughput

0.536

High

262086

IFIX
Pyrin and HIN domain-containing protein 1

1

1

High-throughput

0.536

High

261992

SNAI1
Zinc finger protein SNAI1

1

0

High-throughput

0.518

High

262004

ARY2
Arylamine N-acetyltransferase 2

1

0

High-throughput

0.518

High

262106

BAP1
Ubiquitin carboxyl-terminal hydrolase BAP1

1

0

High-throughput

0.518

High

262132

PKHA4
Pleckstrin homology domain-containing family A member 4

1

0

High-throughput

0.517

High

262002

HMGB1
High mobility group protein B1

1

0

High-throughput

0.513

High

262049

FGF12
Fibroblast growth factor 12

1

0

High-throughput

0.513

High

262075

SNW1
SNW domain-containing protein 1

1

0

High-throughput

0.513

High

262080

NUMA1
Nuclear mitotic apparatus protein 1

1

0

High-throughput

0.513

High

262097

RAB43
Ras-related protein Rab-43

1

0

High-throughput

0.513

High

262111

PBIP1
Pre-B-cell leukemia transcription factor-interacting protein 1

1

0

High-throughput

0.513

High

262118

CDC5L
Cell division cycle 5-like protein

1

0

High-throughput

0.513

High

262135

CBX8
Chromobox protein homolog 8

1

0

High-throughput

0.513

High

262043

UB2D1
Ubiquitin-conjugating enzyme E2 D1

1

3

Small-scale

0.501

High

262048

UBE2N
Ubiquitin-conjugating enzyme E2 N

1

2

Small-scale

0.501

High

262018

CCNE1
G1/S-specific cyclin-E1

1

0

Small-scale

0.493

High

262053

PPIA
Peptidyl-prolyl cis-trans isomerase A

1

0

High-throughput

0.493

High

262046

TERF1
Telomeric repeat-binding factor 1

1

1

Small-scale

0.481

High

262016

NUCL
Nucleolin

1

0

Small-scale

0.480

High

262050

SUMO2
Small ubiquitin-related modifier 2

1

0

High-throughput

0.480

High

262066

RAD51
DNA repair protein RAD51 homolog 1

1

0

Small-scale

0.480

High

261990

RPA1
DNA-directed RNA polymerase I subunit RPA1

1

0

Small-scale

0.479

High

262093

RIR2B
Ribonucleoside-diphosphate reductase subunit M2 B

1

0

Small-scale

0.479

High

262134

RPA2
DNA-directed RNA polymerase I subunit RPA2

1

0

Small-scale

0.479

High

162406

ANM5
Protein arginine N-methyltransferase 5

1

1

Small-scale

0.479

High

179652

MDM4
Protein Mdm4

1

2

Small-scale

0.479

High

261986

RGS20
Regulator of G-protein signaling 20

1

1

High-throughput

0.479

High

261991

STAU1
Double-stranded RNA-binding protein Staufen homolog 1

1

1

High-throughput

0.479

High

261995

GCR
Glucocorticoid receptor

1

4

High-throughput

0.479

High

262024

H2B1B
Histone H2B type 1-B

1

1

High-throughput

0.479

High

262026

BMI1
Polycomb complex protein BMI-1

1

1

Small-scale

0.479

High

262029

PPARG
Peroxisome proliferator-activated receptor gamma

1

5

Small-scale

0.479

High

262032

HNF4A
Hepatocyte nuclear factor 4-alpha

1

3

High-throughput

0.479

High

262033

PK3CB
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit beta isoform

1

3

Small-scale

0.479

High

262034

MTOR
Serine/threonine-protein kinase mTOR

1

4

Small-scale

0.479

High

262039

UBE2A
Ubiquitin-conjugating enzyme E2 A

1

2

Small-scale

0.479

High

262054

UBE2B
Ubiquitin-conjugating enzyme E2 B

1

2

Small-scale

0.479

High

262059

RED1
Double-stranded RNA-specific editase 1

1

1

High-throughput

0.479

High

262104

DDX1
ATP-dependent RNA helicase DDX1

1

1

Small-scale

0.479

High

262107

ESR2
Estrogen receptor beta

1

4

High-throughput

0.479

High

262121

ANM1
Protein arginine N-methyltransferase 1

1

1

Small-scale

0.479

High

262130

UBE2O
(E3-independent) E2 ubiquitin-conjugating enzyme

1

2

High-throughput

0.479

High

124560

EYA2
Protein phosphatase EYA2

1

0

High-throughput

0.458

High

128661

MEN1
Menin

1

0

High-throughput

0.458

High

133898

IPO5
Importin-5

1

0

Small-scale

0.458

High

259198

BRD4
Bromodomain-containing protein 4

1

0

High-throughput

0.458

High

261981

UBP2
Ubiquitin carboxyl-terminal hydrolase 2

1

0

Small-scale

0.458

High

261983

WDHD1
WD repeat and HMG-box DNA-binding protein 1

1

0

Small-scale

0.458

High

261989

UBR5
E3 ubiquitin-protein ligase UBR5

1

0

Small-scale

0.458

High

261997

PROF1
Profilin-1

1

0

Small-scale

0.458

High

261999

HS90A
Heat shock protein HSP 90-alpha

1

0

Small-scale

0.458

High

262001

GSTP1
Glutathione S-transferase P

1

0

Small-scale

0.458

High

262008

EF2
Elongation factor 2

1

0

Small-scale

0.458

High

262009

TCTP
Translationally-controlled tumor protein

1

0

High-throughput

0.458

High

262010

ATF2
Cyclic AMP-dependent transcription factor ATF-2

1

0

Small-scale

0.458

High

262013

H12
Histone H1.2

1

0

Small-scale

0.458

High

262014

DDX5
Probable ATP-dependent RNA helicase DDX5

1

0

Small-scale

0.458

High

262015

NELFE
Negative elongation factor E

1

0

High-throughput

0.458

High

262017

TBG1
Tubulin gamma-1 chain

1

0

Small-scale

0.458

High

262022

PML
Protein PML

1

0

High-throughput

0.458

High

262025

HSP74
Heat shock 70 kDa protein 4

1

0

Small-scale

0.458

High

262036

GATA4
Transcription factor GATA-4

1

0

High-throughput

0.458

High

262040

DNLI3
DNA ligase 3

1

0

Small-scale

0.458

High

262047

TERA
Transitional endoplasmic reticulum ATPase

1

0

Small-scale

0.458

High

262052

H4
Histone H4

1

0

High-throughput

0.458

High

262055

DYL1
Dynein light chain 1, cytoplasmic

1

0

Small-scale

0.458

High

262056

DYLT1
Dynein light chain Tctex-type 1

1

0

High-throughput

0.458

High

262062

PO5F1
POU domain, class 5, transcription factor 1

1

0

High-throughput

0.458

High

262063

ERCC6
DNA excision repair protein ERCC-6

1

0

Small-scale

0.458

High

262064

TF65
Transcription factor p65

1

0

High-throughput

0.458

High

262065

SUH
Recombining binding protein suppressor of hairless

1

0

Small-scale

0.458

High

262069

PSMD2
26S proteasome non-ATPase regulatory subunit 2

1

0

Small-scale

0.458

High

262079

SMC1A
Structural maintenance of chromosomes protein 1A

1

0

Small-scale

0.458

High

262088

RICTR
Rapamycin-insensitive companion of mTOR

1

0

Small-scale

0.458

High

262091

MOB2
MOB kinase activator 2

1

0

High-throughput

0.458

High

262092

DPPA4
Developmental pluripotency-associated protein 4

1

0

High-throughput

0.458

High

262094

PARPT
Protein mono-ADP-ribosyltransferase TIPARP

1

0

High-throughput

0.458

High

262095

NAA40
N-alpha-acetyltransferase 40

1

0

High-throughput

0.458

High

262099

SMC5
Structural maintenance of chromosomes protein 5

1

0

High-throughput

0.458

High

262102

RN169
E3 ubiquitin-protein ligase RNF169

1

0

Small-scale

0.458

High

262109

KAT5
Histone acetyltransferase KAT5

1

0

Small-scale

0.458

High

262113

PELI1
E3 ubiquitin-protein ligase pellino homolog 1

1

0

Small-scale

0.458

High

262114

BICD1
Protein bicaudal D homolog 1

1

0

High-throughput

0.458

High

262123

SIN1
Target of rapamycin complex 2 subunit MAPKAP1

1

0

Small-scale

0.458

High

262126

RN126
E3 ubiquitin-protein ligase RNF126

1

0

Small-scale

0.458

High

262127

CYREN
Cell cycle regulator of non-homologous end joining

1

0

Small-scale

0.458

High

262131

WWTR1
WW domain-containing transcription regulator protein 1

1

0

High-throughput

0.458

High

262133

NANOG
Homeobox protein NANOG

1

0

High-throughput

0.458

High

262136

MED4
Mediator of RNA polymerase II transcription subunit 4

1

0

High-throughput

0.458

High

262138

MCM9
DNA helicase MCM9

1

0

Small-scale

0.458

High

262140

TLS1
Splicing factor C9orf78

1

0

High-throughput

0.458

High

262142

HDAC6
Protein deacetylase HDAC6

1

0

Small-scale

0.458

High

262144

ZRAN1
Ubiquitin thioesterase ZRANB1

1

0

High-throughput

0.458

High

262147

BRPF3
Bromodomain and PHD finger-containing protein 3

1

0

High-throughput

0.458

High

262148

EXO1
Exonuclease 1

1

0

Small-scale

0.458

High

262035

MSH2
DNA mismatch repair protein Msh2

1

1

Small-scale

0.445

High

262044

MSH6
DNA mismatch repair protein Msh6

1

1

Small-scale

0.445

High

262096

HOOK3
Protein Hook homolog 3

1

1

High-throughput

0.437

High

262141

PHRF1
PHD and RING finger domain-containing protein 1

1

2

Small-scale

0.437

High

262145

HOOK1
Protein Hook homolog 1

1

1

High-throughput

0.437

High

262143

DAXX
Death domain-associated protein 6

1

0

Small-scale

0.426

High

261993

CHK2
Serine/threonine-protein kinase Chk2

1

0

Small-scale

0.414

High

75553

B3KSW4
Regulator of G protein signaling 20

1

1

High-throughput

0.407

High

262000

CEL2B
Chymotrypsin-like elastase family member 2B

3

0

High-throughput

0.347

High

262098

F219A
Protein FAM219A

3

0

High-throughput

0.347

High

262023

CD6
T-cell differentiation antigen CD6

1

0

High-throughput

0.279

Low

262087

CF161
Cilia- and flagella-associated protein 161

1

0

High-throughput

0.279

Low

262117

TCPQM
T-complex protein 1 subunit theta-like 2

1

0

High-throughput

0.279

Low

262020

DPP4
Dipeptidyl peptidase 4

1

0

High-throughput

0.269

Low

261998

CATB
Cathepsin B

1

0

High-throughput

0.249

Low

262076

TRI29
Tripartite motif-containing protein 29

1

0

Small-scale

0.249

Low

262089

TRI67
Tripartite motif-containing protein 67

1

0

High-throughput

0.249

Low

262101

DNJ5G
DnaJ homolog subfamily C member 5G

1

0

High-throughput

0.249

Low

262115

DJC30
DnaJ homolog subfamily C member 30, mitochondrial

1

0

High-throughput

0.249

Low

62429

S35F4
Solute carrier family 35 member F4

1

0

High-throughput

0.232

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025