Gene Gene information from NCBI Gene database.
Entrez ID 4683
Gene name Nibrin
Gene symbol NBN
Synonyms (NCBI Gene)
AT-V1AT-V2ATVNBSNBS1P95hNbs1
Chromosome 8
Chromosome location 8q21.3
Summary Mutations in this gene are associated with Nijmegen breakage syndrome, an autosomal recessive chromosomal instability syndrome characterized by microcephaly, growth retardation, immunodeficiency, and cancer predisposition. The encoded protein is a member
SNPs SNP information provided by dbSNP.
259
SNP ID Visualize variation Clinical significance Consequence
rs769414 T>C Conflicting-interpretations-of-pathogenicity, uncertain-significance Missense variant, 5 prime UTR variant, coding sequence variant
rs12721593 G>A Conflicting-interpretations-of-pathogenicity, uncertain-significance Coding sequence variant, missense variant, 5 prime UTR variant
rs34767364 G>A,C Uncertain-significance, conflicting-interpretations-of-pathogenicity Coding sequence variant, 5 prime UTR variant, missense variant
rs61753717 C>T Likely-pathogenic Genic downstream transcript variant, splice acceptor variant
rs61753720 C>A,G,T Likely-benign, uncertain-significance, conflicting-interpretations-of-pathogenicity, benign-likely-benign Coding sequence variant, 5 prime UTR variant, missense variant
miRNA miRNA information provided by mirtarbase database.
253
miRTarBase ID miRNA Experiments Reference
MIRT021833 hsa-miR-132-3p Microarray 17612493
MIRT024642 hsa-miR-215-5p Microarray 19074876
MIRT026789 hsa-miR-192-5p Microarray 19074876
MIRT1174808 hsa-miR-101 CLIP-seq
MIRT1174809 hsa-miR-1243 CLIP-seq
Transcription factors Transcription factors information provided by TRRUST V2 database.
1
Transcription factor Regulation Reference
SIRT1 Activation 18692496
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
89
GO ID Ontology Definition Evidence Reference
GO:0000077 Process DNA damage checkpoint signaling IDA 12529385
GO:0000723 Process Telomere maintenance IDA 28216226
GO:0000723 Process Telomere maintenance IEA
GO:0000723 Process Telomere maintenance IMP 11448772
GO:0000724 Process Double-strand break repair via homologous recombination IBA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
602667 7652 ENSG00000104320
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
O60934
Protein name Nibrin (Cell cycle regulatory protein p95) (Nijmegen breakage syndrome protein 1) (hNbs1)
Protein function Component of the MRN complex, which plays a central role in double-strand break (DSB) repair, DNA recombination, maintenance of telomere integrity and meiosis (PubMed:10888888, PubMed:15616588, PubMed:18411307, PubMed:18583988, PubMed:18678890,
PDB 5WQD , 7SID , 8BAH
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00498 FHA 24 100 FHA domain Family
PF16508 NIBRIN_BRCT_II 216 325 Second BRCT domain on Nijmegen syndrome breakage protein Domain
PF08599 Nbs1_C 683 746 DNA damage repair protein Nbs1 Family
Tissue specificity TISSUE SPECIFICITY: Ubiquitous (PubMed:9590180). Expressed at high levels in testis (PubMed:9590180). {ECO:0000269|PubMed:9590180}.
Sequence
MWKLLPAAGPAGGEPYRLLTGVEYVVGRKNCAILIENDQSISRNHAVLTANFSVTNLSQT
DEIPVLTLKDNSKYGTFVNEEKMQNGFSRTLKSGDGITFG
VFGSKFRIEYEPLVACSSCL
DVSGKTALNQAILQLGGFTVNNWTEECTHLVMVSVKVTIKTICALICGRPIVKPEYFTEF
LKAVESKKQPPQIESFYPPLDEPSIGSKNVDLSGRQERKQIFKGKTFIFLNAKQHKKLSS
AVVFGGGEARLITEENEEEHNFFLAPGTCVVDTGITNSQTLIPDCQKKWIQSIMDMLQRQ
GLRPIPEAEIGLAVIFMTTKNYCDP
QGHPSTGLKTTTPGPSLSQGVSVDEKLMPSAPVNT
TTYVADTESEQADTWDLSERPKEIKVSKMEQKFRMLSQDAPTVKESCKTSSNNNSMVSNT
LAKMRIPNYQLSPTKLPSINKSKDRASQQQQTNSIRNYFQPSTKKRERDEENQEMSSCKS
ARIETSCSLLEQTQPATPSLWKNKEQHLSENEPVDTNSDNNLFTDTDLKSIVKNSASKSH
AAEKLRSNKKREMDDVAIEDEVLEQLFKDTKPELEIDVKVQKQEEDVNVRKRPRMDIETN
DTFSDEAVPESSKISQENEIGKKRELKEDSLWSAKEISNNDKLQDDSEMLPKKLLLTEFR
SLVIKNSTSRNPSGINDDYGQLKNFKKFKKVTYPGAGKLPHIIGGSDLIAHHARKNTELE
EWLRQEMEVQNQHAKEESLADDLFRY
NPYLKRRR
Sequence length 754
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Homologous recombination
Cellular senescence
  DNA Damage/Telomere Stress Induced Senescence
HDR through Single Strand Annealing (SSA)
HDR through MMEJ (alt-NHEJ)
HDR through Homologous Recombination (HRR)
Sensing of DNA Double Strand Breaks
Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA)
Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks
Resolution of D-loop Structures through Holliday Junction Intermediates
Nonhomologous End-Joining (NHEJ)
Homologous DNA Pairing and Strand Exchange
Processing of DNA double-strand break ends
Presynaptic phase of homologous DNA pairing and strand exchange
Regulation of TP53 Activity through Phosphorylation
G2/M DNA damage checkpoint
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
54
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Acute lymphoid leukemia Likely pathogenic; Pathogenic rs1391598284, rs2129744741, rs1275657359, rs2129695663, rs587780100, rs2129721628, rs587781969, rs587782545, rs730881864, rs1554559152, rs786201745, rs764884516, rs786202494, rs574673404, rs767215758
View all (32 more)
RCV005040241
RCV002476731
RCV005040268
RCV005040406
RCV002498497
View all (43 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Aplastic anemia Likely pathogenic; Pathogenic rs1554562083, rs1811497703, rs1391598284, rs1586040200, rs2129720196, rs2129744741, rs1554566610, rs1275657359, rs2129915767, rs772909239, rs2129695663, rs587780100, rs2129938178, rs2129721628, rs12721593
View all (126 more)
RCV003471373
RCV003473905
RCV005040241
RCV003469707
RCV003469745
View all (144 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Breast and/or ovarian cancer Likely pathogenic; Pathogenic rs574673404, rs587776650, rs876659592, rs1810540992, rs1563530658, rs1812244679 RCV001270989
RCV001270991
RCV001270988
RCV001270950
RCV001270949
View all (1 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Breast carcinoma Pathogenic rs587776650, rs748513310, rs748453607 RCV001574072
RCV001554322
RCV001564018
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
ANEMIA, APLASTIC CTD
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
APLASTIC ANEMIA, IDIOPATHIC Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Breast cancer, susceptibility to Uncertain significance ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Breast-ovarian cancer, familial, susceptibility to, 2 Conflicting classifications of pathogenicity ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations