NM_014471.3:c.248A>G

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_014471.3(SPINK4):c.248A>G(p.Asp83Gly) variant causes a missense change. The variant allele was found at a frequency of 0.0000248 in 1,613,998 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

SPINK4
NM_014471.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.90

Publications

0 publications found

Variant links:

Genes affected

SPINK4 (HGNC:16646): (serine peptidase inhibitor Kazal type 4) Predicted to enable serine-type endopeptidase inhibitor activity. Predicted to be involved in negative regulation of endopeptidase activity and response to xenobiotic stimulus. Predicted to be located in extracellular region. [provided by Alliance of Genome Resources, Apr 2022]

SPINK4 links:

BAG1 (HGNC:937): (BAG cochaperone 1) The oncogene BCL2 is a membrane protein that blocks a step in a pathway leading to apoptosis or programmed cell death. The protein encoded by this gene binds to BCL2 and is referred to as BCL2-associated athanogene. It enhances the anti-apoptotic effects of BCL2 and represents a link between growth factor receptors and anti-apoptotic mechanisms. Multiple protein isoforms are encoded by this mRNA through the use of a non-AUG (CUG) initiation codon, and three alternative downstream AUG initiation codons. A related pseudogene has been defined on chromosome X. [provided by RefSeq, Feb 2010]

BAG1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.25068915).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SPINK4	NM_014471.3 link	c.248A>G	p.Asp83Gly	missense_variant	Exon 4 of 4	ENST00000379721.4	NP_055286.1	O60575V9HWG8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SPINK4	ENST00000379721.4 link	c.248A>G	p.Asp83Gly	missense_variant	Exon 4 of 4	1	NM_014471.3	ENSP00000369045.3	O60575
SPINK4	ENST00000379725.5 link	c.317A>G	p.Asp106Gly	missense_variant	Exon 5 of 5	3		ENSP00000369048.1	Q5VZE7
BAG1	ENST00000493917.5 link	n.70-37T>C		intron_variant	Intron 2 of 3	5

Frequencies

GnomAD3 genomes

AF:

0.000131

AC:

AN:

152204

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000386

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000262

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000558

AC:

AN:

251120

AF XY:

0.0000516

show subpopulations

Gnomad AFR exome

AF:

0.000246

Gnomad AMR exome

AF:

0.000260

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.0000137

AC:

AN:

1461794

Hom.:

Cov.:

AF XY:

0.00000963

AC XY:

AN XY:

727206

show subpopulations

African (AFR)

AF:

0.000179

AC:

AN:

33480

American (AMR)

AF:

0.000201

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53348

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1112000

Other (OTH)

AF:

0.0000331

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.432

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000131

AC:

AN:

152204

Hom.:

Cov.:

AF XY:

0.000121

AC XY:

AN XY:

74362

show subpopulations

African (AFR)

AF:

0.000386

AC:

AN:

41438

American (AMR)

AF:

0.000262

AC:

AN:

15280

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5206

South Asian (SAS)

AF:

0.00

AC:

AN:

4838

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68028

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.0000580

Hom.:

Bravo

AF:

0.000102

ExAC

AF:

0.0000330

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Nov 13, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.248A>G (p.D83G) alteration is located in exon 4 (coding exon 4) of the SPINK4 gene. This alteration results from a A to G substitution at nucleotide position 248, causing the aspartic acid (D) at amino acid position 83 to be replaced by a glycine (G). 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

0.32

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.15

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.11

T;T

Eigen

Uncertain

0.47

Eigen_PC

Uncertain

0.40

FATHMM_MKL

Uncertain

0.90

LIST_S2

Benign

0.62

T;T

M_CAP

Uncertain

0.20

MetaRNN

Benign

0.25

T;T

MetaSVM

Uncertain

0.20

PhyloP100

3.9

PrimateAI

Uncertain

0.55

PROVEAN

Uncertain

-4.2

D;D

REVEL

Pathogenic

0.67

Sift

Uncertain

0.013

D;D

Sift4G

Benign

0.071

T;T

Polyphen

1.0

.;D

Vest4

0.38

MVP

0.66

MPC

0.47

ClinPred

0.42

GERP RS

4.1

Varity_R

0.38

gMVP

0.38

Mutation Taster

=55/45

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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NM_014471.3:c.248A>G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over