chr5-141331372-A-G

Position:

chr5-141331372-A-G

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_018912.3(PCDHGA1):c.688A>G(p.Ile230Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000411 in 1,614,168 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00040 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00041 ( 0 hom. )

Consequence

PCDHGA1
NM_018912.3 missense

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.127

Variant links:

Genes affected

PCDHGA1 (HGNC:8696): (protocadherin gamma subfamily A, 1) This gene is a member of the protocadherin gamma gene cluster, one of three related clusters tandemly linked on chromosome five. These gene clusters have an immunoglobulin-like organization, suggesting that a novel mechanism may be involved in their regulation and expression. The gamma gene cluster includes 22 genes divided into 3 subfamilies. Subfamily A contains 12 genes, subfamily B contains 7 genes and 2 pseudogenes, and the more distantly related subfamily C contains 3 genes. The tandem array of 22 large, variable region exons are followed by a constant region, containing 3 exons shared by all genes in the cluster. Each variable region exon encodes the extracellular region, which includes 6 cadherin ectodomains and a transmembrane region. The constant region exons encode the common cytoplasmic region. These neural cadherin-like cell adhesion proteins most likely play a critical role in the establishment and function of specific cell-cell connections in the brain. Alternative splicing has been described for the gamma cluster genes. [provided by RefSeq, Jul 2008]

PCDHGA1 links:

PCDHG@ (HGNC:):

PCDHG@ links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.009867877).

BP6

Variant 5-141331372-A-G is Benign according to our data. Variant chr5-141331372-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 2341083.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
PCDHGA1	NM_018912.3 linkuse as main transcript	c.688A>G	p.Ile230Val	missense_variant	1/4	ENST00000517417.3	NP_061735.1	Q9Y5H4-1
PCDHGA1	NM_031993.2 linkuse as main transcript	c.688A>G	p.Ile230Val	missense_variant	1/1		NP_114382.1	Q9Y5H4-2
PCDHG@	use as main transcript	n.141331372A>G		intragenic_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
PCDHGA1	ENST00000517417.3 linkuse as main transcript	c.688A>G	p.Ile230Val	missense_variant	1/4	1	NM_018912.3	ENSP00000431083.1		Q9Y5H4-1
PCDHGA1	ENST00000378105.4 linkuse as main transcript	c.688A>G	p.Ile230Val	missense_variant	1/1	6		ENSP00000367345.3		Q9Y5H4-2

Frequencies

GnomAD3 genomes

AF:

0.000401

AC:

AN:

152172

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000121

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000851

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:

0.000617

Gnomad OTH

AF:

0.000479

GnomAD3 exomes

AF:

0.000286

AC:

AN:

251366

Hom.:

AF XY:

0.000213

AC XY:

AN XY:

135864

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000491

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:

0.000475

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000412

AC:

603

AN:

1461878

Hom.:

Cov.:

AF XY:

0.000386

AC XY:

281

AN XY:

727244

show subpopulations

Gnomad4 AFR exome

AF:

0.0000896

Gnomad4 AMR exome

AF:

0.000514

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.0000187

Gnomad4 NFE exome

AF:

0.000502

Gnomad4 OTH exome

AF:

0.000281

GnomAD4 genome

AF:

0.000401

AC:

AN:

152290

Hom.:

Cov.:

AF XY:

0.000363

AC XY:

AN XY:

74460

show subpopulations

Gnomad4 AFR

AF:

0.000120

Gnomad4 AMR

AF:

0.000850

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000617

Gnomad4 OTH

AF:

0.000474

Alfa

AF:

0.000451

Hom.:

Bravo

AF:

0.000570

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000519

AC:

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.000581

AC:

ExAC

AF:

0.000280

AC:

EpiCase

AF:

0.000654

EpiControl

AF:

0.000356

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Ambry Genetics

Apr 14, 2022

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.076

BayesDel_addAF

Benign

-0.58

BayesDel_noAF

Benign

-0.73

CADD

Benign

6.7

DANN

Benign

0.20

DEOGEN2

Benign

0.065

.;T

Eigen

Benign

-1.2

Eigen_PC

Benign

-0.98

FATHMM_MKL

Benign

0.0081

LIST_S2

Benign

0.69

T;T

M_CAP

Benign

0.0021

MetaRNN

Benign

0.0099

T;T

MetaSVM

Benign

-0.95

MutationAssessor

Benign

-0.96

N;N

PROVEAN

Benign

0.73

N;N

REVEL

Benign

0.034

Sift

Benign

1.0

T;T

Sift4G

Benign

1.0

T;T

Polyphen

0.0010

B;B

Vest4

0.27

MVP

0.19

MPC

0.24

ClinPred

0.039

GERP RS

3.3

Varity_R

0.035

gMVP

0.042

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

LitVar

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

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over