Genetic Variant EFCAB6:p.Leu1000Phe (chr22-43590108-G-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_022785.4(EFCAB6):c.2998C>T(p.Leu1000Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,796 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. L1000V) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

EFCAB6
NM_022785.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.28

Publications

0 publications found

Variant links:

Genes affected

EFCAB6 (HGNC:24204): (EF-hand calcium binding domain 6) This gene encodes a protein which directly binds the oncogene DJ-1 and androgen receptor to form a ternary complex in cells. This binding protein recruits histone-deacetylase complexes in order to repress transcription activity of androgen receptor. This protein may also play a role in spermatogenesis and fertilization. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2011]

EFCAB6 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=0.37779474).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EFCAB6	NM_022785.4 link	c.2998C>T	p.Leu1000Phe	missense_variant	Exon 24 of 32	ENST00000262726.12	NP_073622.2	Q5THR3-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
EFCAB6	ENST00000262726.12 link	c.2998C>T	p.Leu1000Phe	missense_variant	Exon 24 of 32	2	NM_022785.4	ENSP00000262726.7	Q5THR3-1
EFCAB6	ENST00000396231.6 link	c.2542C>T	p.Leu848Phe	missense_variant	Exon 22 of 30	1		ENSP00000379533.2	Q5THR3-2
EFCAB6	ENST00000468552.1 link	n.1447C>T		non_coding_transcript_exon_variant	Exon 10 of 13	1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461796

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727190

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39694

South Asian (SAS)

AF:

0.00

AC:

AN:

86238

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111962

Other (OTH)

AF:

0.00

AC:

AN:

60392

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Benign

-0.028

BayesDel_noAF

Benign

-0.20

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.051

.;T

Eigen

Benign

0.0057

Eigen_PC

Benign

-0.20

FATHMM_MKL

Benign

0.38

LIST_S2

Benign

0.56

T;T

M_CAP

Benign

0.050

MetaRNN

Benign

0.38

T;T

MetaSVM

Uncertain

-0.15

MutationAssessor

Uncertain

2.5

.;M

PhyloP100

1.3

PrimateAI

Benign

0.27

PROVEAN

Uncertain

-3.0

D;D

REVEL

Uncertain

0.36

Sift

Uncertain

0.0090

D;D

Sift4G

Uncertain

0.016

D;D

Polyphen

1.0

D;D

Vest4

0.27

MutPred

0.47

.;Loss of disorder (P = 0.1497);

MVP

0.86

MPC

0.34

ClinPred

0.68

GERP RS

2.6

Varity_R

0.15

gMVP

0.23

Mutation Taster

=95/5

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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