dbSNP rs368691910: TP53:c.994-17C>T (chr17-7670732-G-A) – ACMG Classification: Benign (-20 pts)

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_000546.6(TP53):c.994-17C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000135 in 1,603,008 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). The gene TP53 is included in the ClinGen Criteria Specification Registry.

Frequency

Genomes: 𝑓 0.00080 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000065 ( 1 hom. )

Consequence

TP53
NM_000546.6 intron

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:10

Conservation

PhyloP100: 0.198

Publications

1 publications found

Variant links:

Genes affected

TP53 (HGNC:11998): (tumor protein p53) This gene encodes a tumor suppressor protein containing transcriptional activation, DNA binding, and oligomerization domains. The encoded protein responds to diverse cellular stresses to regulate expression of target genes, thereby inducing cell cycle arrest, apoptosis, senescence, DNA repair, or changes in metabolism. Mutations in this gene are associated with a variety of human cancers, including hereditary cancers such as Li-Fraumeni syndrome. Alternative splicing of this gene and the use of alternate promoters result in multiple transcript variants and isoforms. Additional isoforms have also been shown to result from the use of alternate translation initiation codons from identical transcript variants (PMIDs: 12032546, 20937277). [provided by RefSeq, Dec 2016]

TP53 Gene-Disease associations (from GenCC):

breast cancer
Inheritance: AD Classification: DEFINITIVE Submitted by: Ambry Genetics
Li-Fraumeni syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Orphanet, Labcorp Genetics (formerly Invitae), ClinGen
Li-Fraumeni syndrome 1
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Genomics England PanelApp, Ambry Genetics
adrenocortical carcinoma, hereditary
Inheritance: AD Classification: STRONG Submitted by: Ambry Genetics
sarcoma
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
bone marrow failure syndrome 5
Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
colorectal cancer
Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
choroid plexus carcinoma
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

TP53 links:

Genome browser will be placed here

new If you want to explore the variant's impact on the transcript NM_000546.6, check out the Mutation Effect Viewer. This is especially useful for frameshift variants or if you want to visualize the effect of exon loss / intron retention.

ACMG classification

Specifications for TP53 are available in the ClinGen Criteria Specification Registry and recommended for reference when assigning criteria.

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.86).

BP6

Variant 17-7670732-G-A is Benign according to our data. Variant chr17-7670732-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 182951.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000801 (122/152294) while in subpopulation AFR AF = 0.00277 (115/41550). AF 95% confidence interval is 0.00236. There are 0 homozygotes in GnomAd4. There are 47 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High AC in GnomAd4 at 122 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000546.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
TP53	NM_000546.6	MANE Select	c.994-17C>T	intron	N/A	NP_000537.3
TP53	NM_001126112.3		c.994-17C>T	intron	N/A	NP_001119584.1	K7PPA8
TP53	NM_001407262.1		c.994-17C>T	intron	N/A	NP_001394191.1	K7PPA8

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
TP53	ENST00000269305.9	TSL:1 MANE Select	c.994-17C>T	intron	N/A	ENSP00000269305.4	P04637-1
TP53	ENST00000445888.6	TSL:1	c.994-17C>T	intron	N/A	ENSP00000391478.2	P04637-1
TP53	ENST00000610292.4	TSL:1	c.877-17C>T	intron	N/A	ENSP00000478219.1	P04637-4

Frequencies

GnomAD3 genomes

AF:

0.000795

AC:

121

AN:

152176

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00275

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000458

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000169

AC:

AN:

248866

AF XY:

0.000111

show subpopulations

Gnomad AFR exome

AF:

0.00252

Gnomad AMR exome

AF:

0.0000291

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000889

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000648

AC:

AN:

1450714

Hom.:

Cov.:

AF XY:

0.0000540

AC XY:

AN XY:

722316

show subpopulations

African (AFR)

AF:

0.00213

AC:

AN:

33280

American (AMR)

AF:

0.000112

AC:

AN:

44578

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26016

East Asian (EAS)

AF:

0.00

AC:

AN:

39646

South Asian (SAS)

AF:

0.00

AC:

AN:

85818

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53352

Middle Eastern (MID)

AF:

0.000174

AC:

AN:

5750

European-Non Finnish (NFE)

AF:

0.00000635

AC:

AN:

1102272

Other (OTH)

AF:

0.000167

AC:

AN:

60002

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.495

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000801

AC:

122

AN:

152294

Hom.:

Cov.:

AF XY:

0.000631

AC XY:

AN XY:

74476

show subpopulations

African (AFR)

AF:

0.00277

AC:

115

AN:

41550

American (AMR)

AF:

0.000458

AC:

AN:

15290

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5186

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68024

Other (OTH)

AF:

0.00

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.495

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000580

Hom.:

Bravo

AF:

0.000861

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Hereditary cancer-predisposing syndrome (4)

Li-Fraumeni syndrome 1 (3)

Li-Fraumeni syndrome (1)

not provided (1)

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.86

CADD

Benign

1.1

(source)

DANN

Benign

0.51

PhyloP100

0.20

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over