dbSNP rs515726206: SPINK1:p.Asp50Glu (chr5-147828066-A-C) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_001379610.1(SPINK1):c.150T>G(p.Asp50Glu) 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 1,461,350 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 not provided (no stars). Synonymous variant affecting the same amino acid position (i.e. D50D) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

SPINK1
NM_001379610.1 missense

Scores

Clinical Significance

not provided no classification provided O:1

Conservation

PhyloP100: 0.911

Publications

11 publications found

Variant links:

Genes affected

SPINK1 (HGNC:11244): (serine peptidase inhibitor Kazal type 1) The protein encoded by this gene is a trypsin inhibitor, which is secreted from pancreatic acinar cells into pancreatic juice. It is thought to function in the prevention of trypsin-catalyzed premature activation of zymogens within the pancreas and the pancreatic duct. Mutations in this gene are associated with hereditary pancreatitis and tropical calcific pancreatitis. [provided by RefSeq, Oct 2008]

SPINK1 Gene-Disease associations (from GenCC):

hereditary chronic pancreatitis
Inheritance: AD, Unknown Classification: STRONG, SUPPORTIVE, NO_KNOWN Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), PanelApp Australia
tropical pancreatitis
Inheritance: AD Classification: STRONG Submitted by: PanelApp Australia

SPINK1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.83

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SPINK1	NM_001379610.1 link	c.150T>G	p.Asp50Glu	missense_variant	Exon 3 of 4	ENST00000296695.10	NP_001366539.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SPINK1	ENST00000296695.10 link	c.150T>G	p.Asp50Glu	missense_variant	Exon 3 of 4	1	NM_001379610.1	ENSP00000296695.5	P00995
SPINK1	ENST00000510027.2 link	c.150T>G	p.Asp50Glu	missense_variant	Exon 3 of 3	3		ENSP00000427376.1	D6RIU5
SPINK1	ENST00000505722.1 link	n.65T>G		non_coding_transcript_exon_variant	Exon 1 of 2	2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000399

AC:

AN:

250552

AF XY:

0.00000738

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000883

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461350

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726984

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33466

American (AMR)

AF:

0.00

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26120

East Asian (EAS)

AF:

0.00

AC:

AN:

39608

South Asian (SAS)

AF:

0.00

AC:

AN:

86234

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53218

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111860

Other (OTH)

AF:

0.0000166

AC:

AN:

60368

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

ClinVar

Significance: not provided

Submissions summary: Other:1

Revision: no classification provided

LINK: link

Submissions by phenotype

Hereditary pancreatitis

Other:1

GeneReviews

Significance:not provided

Review Status:no classification provided

Collection Method:literature only

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.96

BayesDel_addAF

Uncertain

0.085

BayesDel_noAF

Benign

-0.12

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.58

D;.

Eigen

Benign

0.17

Eigen_PC

Benign

0.079

FATHMM_MKL

Uncertain

0.89

LIST_S2

Uncertain

0.93

D;T

M_CAP

Pathogenic

0.54

MetaRNN

Pathogenic

0.83

D;D

MetaSVM

Uncertain

0.55

PhyloP100

0.91

PrimateAI

Benign

0.46

PROVEAN

Uncertain

-3.8

D;D

REVEL

Uncertain

0.56

Sift

Uncertain

0.0060

D;D

Sift4G

Uncertain

0.011

D;D

Polyphen

0.98

D;.

Vest4

0.55

MutPred

0.74

Gain of sheet (P = 0.1208);Gain of sheet (P = 0.1208);

MVP

0.86

MPC

0.096

ClinPred

0.94

GERP RS

2.5

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.88

gMVP

0.86

Mutation Taster

=6/94

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over