Genetic Variant NM_000264.5:c.3241G>A (chr9-95456341-C-T) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is . The variant received 1 ACMG points: 6P and 5B. PS3PP3_ModerateBP6BS2

The NM_000264.5(PTCH1):c.3241G>A(p.Val1081Met) variant causes a missense change. The variant allele was found at a frequency of 0.0000712 in 1,614,112 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). ClinVar reports functional evidence for this variant: "SCV000259142: rare variant, functional studies demonstrating is deleterious effect on protein.". Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V1081L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000071 ( 0 hom. )

Consequence

PTCH1
NM_000264.5 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:1U:1B:6O:1

Conservation

PhyloP100: 5.85

Publications

16 publications found

Variant links:

Genes affected

PTCH1 (HGNC:9585): (patched 1) This gene encodes a member of the patched family of proteins and a component of the hedgehog signaling pathway. Hedgehog signaling is important in embryonic development and tumorigenesis. The encoded protein is the receptor for the secreted hedgehog ligands, which include sonic hedgehog, indian hedgehog and desert hedgehog. Following binding by one of the hedgehog ligands, the encoded protein is trafficked away from the primary cilium, relieving inhibition of the G-protein-coupled receptor smoothened, which results in activation of downstream signaling. Mutations of this gene have been associated with basal cell nevus syndrome and holoprosencephaly. [provided by RefSeq, Aug 2017]

PTCH1 Gene-Disease associations (from GenCC):

basal cell nevus syndrome 1
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: PanelApp Australia, G2P
holoprosencephaly 7
Inheritance: AD Classification: DEFINITIVE, STRONG, LIMITED Submitted by: PanelApp Australia, Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P
nevoid basal cell carcinoma syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, ClinGen, Orphanet, Labcorp Genetics (formerly Invitae)
exstrophy-epispadias complex
Inheritance: AD Classification: STRONG Submitted by: PanelApp Australia
holoprosencephaly
Inheritance: AD Classification: LIMITED Submitted by: Illumina

PTCH1 links:

Genome browser will be placed here

new If you want to explore the variant's impact on the transcript NM_000264.5, 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

Classification was made for transcript

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

PS3

PS3 evidence extracted from ClinVar submissions: SCV000259142: rare variant, functional studies demonstrating is deleterious effect on protein.

PP3

REVEL computational evidence supports a deleterious effect, 0.779

BP6

Variant 9-95456341-C-T is Benign according to our data. Variant chr9-95456341-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 135097.

BS2

High AC in GnomAd4 at 11 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000264.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PTCH1	NM_000264.5	MANE Select	c.3241G>A	p.Val1081Met	missense	Exon 19 of 24	NP_000255.2	Q13635-1
PTCH1	NM_001083603.3	MANE Plus Clinical	c.3238G>A	p.Val1080Met	missense	Exon 19 of 24	NP_001077072.1	Q13635-2
PTCH1	NM_001354918.2		c.3085G>A	p.Val1029Met	missense	Exon 18 of 23	NP_001341847.1	A0A1W5YLI7

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PTCH1	ENST00000331920.11	TSL:5 MANE Select	c.3241G>A	p.Val1081Met	missense	Exon 19 of 24	ENSP00000332353.6	Q13635-1
PTCH1	ENST00000437951.6	TSL:5 MANE Plus Clinical	c.3238G>A	p.Val1080Met	missense	Exon 19 of 24	ENSP00000389744.2	Q13635-2
PTCH1	ENST00000429896.6	TSL:1	c.2788G>A	p.Val930Met	missense	Exon 19 of 24	ENSP00000414823.2	Q13635-4

Frequencies

GnomAD3 genomes

AF:

0.0000723

AC:

AN:

152222

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000393

Gnomad ASJ

AF:

0.000865

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000915

AC:

AN:

251316

AF XY:

0.0000736

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000260

Gnomad ASJ exome

AF:

0.000595

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000615

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000711

AC:

104

AN:

1461772

Hom.:

Cov.:

AF XY:

0.0000798

AC XY:

AN XY:

727184

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.000291

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.000957

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000348

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53300

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000486

AC:

AN:

1112010

Other (OTH)

AF:

0.000149

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

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:

0.0000722

AC:

AN:

152340

Hom.:

Cov.:

AF XY:

0.0000940

AC XY:

AN XY:

74498

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41574

American (AMR)

AF:

0.000392

AC:

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.000865

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

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:

0.0000294

AC:

AN:

68032

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.461

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:

0.0000996

Hom.:

Bravo

AF:

0.0000756

EpiCase

AF:

0.00

EpiControl

AF:

0.000237

ClinVar

ClinVar submissions

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

Hereditary cancer-predisposing syndrome (3)

not specified (3)

Anophthalmia-microphthalmia syndrome (1)

Gorlin syndrome (1)

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.70

BayesDel_addAF

Uncertain

0.13

BayesDel_noAF

Pathogenic

0.24

CADD

Pathogenic

(source)

DANN

Pathogenic

1.0

DEOGEN2

Uncertain

0.62

Eigen

Uncertain

0.66

Eigen_PC

Uncertain

0.65

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.91

M_CAP

Uncertain

0.20

MetaRNN

Uncertain

0.66

MetaSVM

Uncertain

0.71

MutationAssessor

Uncertain

2.1

PhyloP100

5.8

PrimateAI

Pathogenic

0.86

PROVEAN

Benign

-1.9

REVEL

Pathogenic

0.78

Sift

Benign

0.039

Sift4G

Uncertain

0.0040

Varity_R

0.72

gMVP

0.80

Mutation Taster

=0/100

disease causing (ClinVar)

(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