chr5-141150792-G-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_018939.4(PCDHB6):​c.535G>T​(p.Val179Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,892 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/18 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

PCDHB6
NM_018939.4 missense

Scores

4
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -1.73
Variant links:
Genes affected
PCDHB6 (HGNC:8691): (protocadherin beta 6) This gene is a member of the protocadherin beta gene cluster, one of three related gene clusters tandemly linked on chromosome five. The gene clusters demonstrate an unusual genomic organization similar to that of B-cell and T-cell receptor gene clusters. Unlike the alpha and gamma clusters, the transcripts from these genes do not share common 3' exons. These neural cadherin-like cell adhesion proteins are integral plasma membrane proteins that most likely play a critical role in the establishment and function of specific cell-cell neural connections. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2014]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.38256454).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PCDHB6NM_018939.4 linkuse as main transcriptc.535G>T p.Val179Phe missense_variant 1/1 ENST00000231136.4
PCDHB6NM_001303145.2 linkuse as main transcriptc.127G>T p.Val43Phe missense_variant 2/2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PCDHB6ENST00000231136.4 linkuse as main transcriptc.535G>T p.Val179Phe missense_variant 1/1 NM_018939.4 P1
ENST00000624192.1 linkuse as main transcriptn.73-13609C>A intron_variant, non_coding_transcript_variant 5
ENST00000624802.1 linkuse as main transcriptn.364+21641C>A intron_variant, non_coding_transcript_variant 3

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251470
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135916
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461892
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
727248
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Bravo
AF:
0.00000378

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsAug 22, 2022The c.535G>T (p.V179F) alteration is located in exon 1 (coding exon 1) of the PCDHB6 gene. This alteration results from a G to T substitution at nucleotide position 535, causing the valine (V) at amino acid position 179 to be replaced by a phenylalanine (F). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.26
BayesDel_addAF
Benign
-0.17
T
BayesDel_noAF
Benign
-0.30
CADD
Benign
19
DANN
Uncertain
0.99
DEOGEN2
Benign
0.13
.;T
Eigen
Benign
0.12
Eigen_PC
Benign
-0.036
FATHMM_MKL
Benign
0.070
N
LIST_S2
Benign
0.82
.;T
M_CAP
Benign
0.070
D
MetaRNN
Benign
0.38
T;T
MetaSVM
Benign
-0.79
T
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.36
T
PROVEAN
Uncertain
-3.5
D;.
REVEL
Benign
0.22
Sift
Uncertain
0.0010
D;.
Sift4G
Uncertain
0.018
D;D
Vest4
0.21
MutPred
0.75
Gain of sheet (P = 0.1451);.;
MVP
0.71
ClinPred
0.86
D
GERP RS
1.3
gMVP
0.33

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

LitVar

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

Other links and lift over

dbSNP: rs781990091; hg19: chr5-140530373; API