dbSNP rs61729048: KEL:p.Tyr588Cys (chr7-142943284-T-C) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_000420.3(KEL):c.1763A>G(p.Tyr588Cys) 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 1,461,554 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic 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. Y588H) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

KEL
NM_000420.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.996

Publications

3 publications found

Variant links:

Genes affected

KEL (HGNC:6308): (Kell metallo-endopeptidase (Kell blood group)) This gene encodes a type II transmembrane glycoprotein that is the highly polymorphic Kell blood group antigen. The Kell glycoprotein links via a single disulfide bond to the XK membrane protein that carries the Kx antigen. The encoded protein contains sequence and structural similarity to members of the neprilysin (M13) family of zinc endopeptidases. [provided by RefSeq, Jul 2008]

KEL links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.897

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KEL	NM_000420.3 link	c.1763A>G	p.Tyr588Cys	missense_variant	Exon 16 of 19	ENST00000355265.7	NP_000411.1	P23276A0A077QP03
KEL	XM_005249993.2 link	c.1799A>G	p.Tyr600Cys	missense_variant	Exon 16 of 19		XP_005250050.1
KEL	XM_047420357.1 link	c.1652A>G	p.Tyr551Cys	missense_variant	Exon 15 of 18		XP_047276313.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
KEL	ENST00000355265.7 link	c.1763A>G	p.Tyr588Cys	missense_variant	Exon 16 of 19	1	NM_000420.3	ENSP00000347409.2	P23276
KEL	ENST00000470850.1 link	n.168+202A>G		intron_variant	Intron 2 of 3	2
KEL	ENST00000478969.1 link	n.-130A>G		upstream_gene_variant		3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461554

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727036

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44670

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26124

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86140

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53396

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111892

Other (OTH)

AF:

0.00

AC:

AN:

60388

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000797

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.15

BayesDel_addAF

Uncertain

0.033

BayesDel_noAF

Benign

-0.19

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Pathogenic

0.83

Eigen

Benign

-0.11

Eigen_PC

Benign

-0.26

FATHMM_MKL

Benign

0.56

LIST_S2

Benign

0.58

M_CAP

Uncertain

0.17

MetaRNN

Pathogenic

0.90

MetaSVM

Benign

-0.50

MutationAssessor

Uncertain

2.5

PhyloP100

1.0

PrimateAI

Benign

0.40

PROVEAN

Uncertain

-3.8

REVEL

Uncertain

0.35

Sift

Benign

0.032

Sift4G

Benign

0.082

Polyphen

0.99

Vest4

0.55

MutPred

0.75

Loss of sheet (P = 0.1398);

MVP

0.94

MPC

0.41

ClinPred

0.73

GERP RS

1.2

Varity_R

0.33

gMVP

0.60

Mutation Taster

=89/11

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.040

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over