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GeneBe

chr7-87900307-A-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_006716.4(DBF4):​c.767A>T​(p.Asp256Val) variant causes a missense change. The variant allele was found at a frequency of 0.00000138 in 1,453,782 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 31)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

DBF4
NM_006716.4 missense

Scores

9
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.00
Variant links:
Genes affected
DBF4 (HGNC:17364): (DBF4-CDC7 kinase regulatory subunit) Predicted to enable protein serine/threonine kinase activator activity. Predicted to be involved in positive regulation of nuclear cell cycle DNA replication and regulation of cell cycle phase transition. Located in nuclear body. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.28200454).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DBF4NM_006716.4 linkuse as main transcriptc.767A>T p.Asp256Val missense_variant 9/12 ENST00000265728.6
DBF4NM_001318061.2 linkuse as main transcriptc.95A>T p.Asp32Val missense_variant 9/12
DBF4NM_001318060.2 linkuse as main transcriptc.68A>T p.Asp23Val missense_variant 8/11
DBF4NM_001318062.2 linkuse as main transcriptc.-14A>T 5_prime_UTR_variant 9/12

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DBF4ENST00000265728.6 linkuse as main transcriptc.767A>T p.Asp256Val missense_variant 9/121 NM_006716.4 P1Q9UBU7-1

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD3 exomes
AF:
0.00000411
AC:
1
AN:
243228
Hom.:
0
AF XY:
0.00000758
AC XY:
1
AN XY:
131922
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000900
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000138
AC:
2
AN:
1453782
Hom.:
0
Cov.:
30
AF XY:
0.00
AC XY:
0
AN XY:
722914
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
31

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJun 06, 2023The c.767A>T (p.D256V) alteration is located in exon 9 (coding exon 9) of the DBF4 gene. This alteration results from a A to T substitution at nucleotide position 767, causing the aspartic acid (D) at amino acid position 256 to be replaced by a valine (V). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.21
BayesDel_addAF
Benign
-0.094
T
BayesDel_noAF
Benign
-0.37
CADD
Uncertain
24
DANN
Uncertain
0.99
DEOGEN2
Benign
0.073
T
Eigen
Uncertain
0.40
Eigen_PC
Uncertain
0.47
FATHMM_MKL
Uncertain
0.97
D
LIST_S2
Uncertain
0.90
D
M_CAP
Benign
0.018
T
MetaRNN
Benign
0.28
T
MetaSVM
Benign
-1.2
T
MutationAssessor
Uncertain
2.7
M
MutationTaster
Benign
1.0
D
PrimateAI
Benign
0.34
T
PROVEAN
Uncertain
-3.1
D
REVEL
Benign
0.077
Sift
Uncertain
0.012
D
Sift4G
Uncertain
0.0030
D
Polyphen
0.31
B
Vest4
0.40
MutPred
0.26
Gain of methylation at K257 (P = 0.0377);
MVP
0.27
MPC
0.60
ClinPred
0.97
D
GERP RS
5.5
Varity_R
0.47
gMVP
0.38

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs1473447497; hg19: chr7-87529622; API