Genetic Variant TP53:p.Arg337Pro (chr17-7673250-C-G) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM1PM2

The ENST00000455263.6(TP53):c.1010G>C(p.Arg337Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000299 in 1,339,944 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R337Q) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000030 ( 0 hom. )

Consequence

TP53
ENST00000455263.6 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.135

Publications

0 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: Labcorp Genetics (formerly Invitae), G2P, ClinGen, Orphanet
Li-Fraumeni syndrome 1
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Genomics England PanelApp
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

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM1

In a region_of_interest Interaction with HIPK1 (size 270) in uniprot entity P53_HUMAN there are 395 pathogenic changes around while only 128 benign (76%) in ENST00000455263.6

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TP53	NM_000546.6 link	c.993+285G>C		intron_variant	Intron 9 of 10	ENST00000269305.9	NP_000537.3	P04637-1K7PPA8Q53GA5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TP53	ENST00000269305.9 link	c.993+285G>C		intron_variant	Intron 9 of 10	1	NM_000546.6	ENSP00000269305.4		P04637-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000299

AC:

AN:

1339944

Hom.:

Cov.:

AF XY:

0.00000150

AC XY:

AN XY:

667170

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

30966

American (AMR)

AF:

0.00

AC:

AN:

37156

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24946

East Asian (EAS)

AF:

0.00

AC:

AN:

37612

South Asian (SAS)

AF:

0.00

AC:

AN:

79034

European-Finnish (FIN)

AF:

0.00

AC:

AN:

50822

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5580

European-Non Finnish (NFE)

AF:

0.00000393

AC:

AN:

1017646

Other (OTH)

AF:

0.00

AC:

AN:

56182

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.512

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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Uncertain

0.075

BayesDel_noAF

Benign

-0.13

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.11

.;T;.;.

Eigen

Benign

-0.24

Eigen_PC

Benign

-0.50

FATHMM_MKL

Benign

0.087

LIST_S2

Benign

0.47

T;T;T;T

M_CAP

Benign

0.011

MetaRNN

Uncertain

0.52

D;D;D;D

MetaSVM

Pathogenic

0.91

PhyloP100

-0.14

PROVEAN

Uncertain

-3.1

.;.;D;.

REVEL

Uncertain

0.36

Sift

Uncertain

0.0010

.;.;D;.

Sift4G

Uncertain

0.010

D;D;D;D

Polyphen

1.0

.;.;D;.

Vest4

0.49

MutPred

0.66

.;.;Gain of catalytic residue at W338 (P = 0.0211);.;

MVP

0.88

ClinPred

0.43

GERP RS

0.77

PromoterAI

-0.011

Neutral

(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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over