dbSNP rs1058808: ERBB2:p.Pro1170Thr (chr17-39727784-C-A) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_004448.4(ERBB2):c.3508C>A(p.Pro1170Thr) variant causes a missense change. The variant allele was found at a frequency of 0.00000137 in 1,460,340 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 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. P1170A) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 1 hom. )

Consequence

ERBB2
NM_004448.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.29

Publications

184 publications found

Variant links:

Genes affected

ERBB2 (HGNC:3430): (erb-b2 receptor tyrosine kinase 2) This gene encodes a member of the epidermal growth factor (EGF) receptor family of receptor tyrosine kinases. This protein has no ligand binding domain of its own and therefore cannot bind growth factors. However, it does bind tightly to other ligand-bound EGF receptor family members to form a heterodimer, stabilizing ligand binding and enhancing kinase-mediated activation of downstream signalling pathways, such as those involving mitogen-activated protein kinase and phosphatidylinositol-3 kinase. Allelic variations at amino acid positions 654 and 655 of isoform a (positions 624 and 625 of isoform b) have been reported, with the most common allele, Ile654/Ile655, shown here. Amplification and/or overexpression of this gene has been reported in numerous cancers, including breast and ovarian tumors. Alternative splicing results in several additional transcript variants, some encoding different isoforms and others that have not been fully characterized. [provided by RefSeq, Jul 2008]

ERBB2 Gene-Disease associations (from GenCC):

Hirschsprung disease
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
lung cancer
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
glioma susceptibility 1
Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)
visceral neuropathy, familial, 2, autosomal recessive
Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

ERBB2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.30468026).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ERBB2	NM_004448.4 link	c.3508C>A	p.Pro1170Thr	missense_variant	Exon 27 of 27	ENST00000269571.10	NP_004439.2	P04626-1X5DNK3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ERBB2	ENST00000269571.10 link	c.3508C>A	p.Pro1170Thr	missense_variant	Exon 27 of 27	1	NM_004448.4	ENSP00000269571.4		P04626-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1460340

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

726276

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33460

American (AMR)

AF:

0.00

AC:

AN:

44614

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26040

East Asian (EAS)

AF:

0.00

AC:

AN:

39680

South Asian (SAS)

AF:

0.0000232

AC:

AN:

86108

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53386

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1110974

Other (OTH)

AF:

0.00

AC:

AN:

60320

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.090

BayesDel_addAF

Benign

0.010

BayesDel_noAF

Benign

-0.22

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.30

.;.;.;T;T

Eigen

Uncertain

0.52

Eigen_PC

Uncertain

0.51

FATHMM_MKL

Uncertain

0.96

LIST_S2

Benign

0.84

.;T;T;T;T

M_CAP

Uncertain

0.25

MetaRNN

Benign

0.30

T;T;T;T;T

MetaSVM

Uncertain

0.033

MutationAssessor

Benign

0.69

.;.;.;.;N

PhyloP100

4.3

PrimateAI

Uncertain

0.64

PROVEAN

Benign

-1.9

.;N;N;N;N

REVEL

Benign

0.25

Sift

Uncertain

0.0090

.;D;D;D;D

Sift4G

Uncertain

0.017

D;D;D;T;D

Polyphen

0.87, 0.99, 0.99

.;.;P;D;D

Vest4

0.53

MutPred

0.20

.;.;.;.;Gain of phosphorylation at P1170 (P = 0.0424);

MVP

0.63

MPC

1.1

ClinPred

0.87

GERP RS

5.0

Varity_R

0.21

gMVP

0.26

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over