Genetic Variant KCP:p.Val1577Met (chr7-128877201-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

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

The NM_001366122.1(KCP):c.4729G>A(p.Val1577Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000169 in 1,483,200 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 0.000072 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

KCP
NM_001366122.1 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.67

Publications

0 publications found

Variant links:

Genes affected

KCP (HGNC:17585): (kielin cysteine rich BMP regulator) Predicted to act upstream of or within hematopoietic progenitor cell differentiation and positive regulation of BMP signaling pathway. Predicted to be located in extracellular space. [provided by Alliance of Genome Resources, Apr 2022]

KCP 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=0.19682467).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KCP	NM_001366122.1 link	c.4729G>A	p.Val1577Met	missense_variant	Exon 40 of 40	ENST00000610776.5	NP_001353051.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
KCP	ENST00000610776.5 link	c.4729G>A	p.Val1577Met	missense_variant	Exon 40 of 40	5	NM_001366122.1	ENSP00000479679.1		A0A087WVT8

Frequencies

GnomAD3 genomes

AF:

0.0000723

AC:

AN:

152200

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000654

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:

0.0000306

AC:

AN:

98076

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000164

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:

0.000347

GnomAD4 exome

AF:

0.0000105

AC:

AN:

1331000

Hom.:

Cov.:

AF XY:

0.0000108

AC XY:

AN XY:

650596

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

28776

American (AMR)

AF:

0.000138

AC:

AN:

21740

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

21010

East Asian (EAS)

AF:

0.00

AC:

AN:

35116

South Asian (SAS)

AF:

0.00

AC:

AN:

68536

European-Finnish (FIN)

AF:

0.00

AC:

AN:

46566

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4978

European-Non Finnish (NFE)

AF:

0.00000953

AC:

AN:

1049342

Other (OTH)

AF:

0.0000182

AC:

AN:

54936

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000723

AC:

AN:

152200

Hom.:

Cov.:

AF XY:

0.0000672

AC XY:

AN XY:

74352

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41432

American (AMR)

AF:

0.000654

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5200

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68032

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.484

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.000113

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 25, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.4354G>A (p.V1452M) alteration is located in exon 36 (coding exon 36) of the KCP gene. This alteration results from a G to A substitution at nucleotide position 4354, causing the valine (V) at amino acid position 1452 to be replaced by a methionine (M). 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

0.16

BayesDel_addAF

Pathogenic

0.20

BayesDel_noAF

Uncertain

0.050

CADD

Uncertain

(source)

DANN

Benign

0.68

DEOGEN2

Benign

0.0098

T;.;T

FATHMM_MKL

Benign

0.41

LIST_S2

Uncertain

0.89

D;D;D

MetaRNN

Benign

0.20

T;T;T

PhyloP100

2.7

PrimateAI

Uncertain

0.54

Sift4G

Benign

0.093

T;T;D

Vest4

0.29

MVP

0.16

GERP RS

4.3

Varity_R

0.055

gMVP

0.27

Mutation Taster

=100/0

polymorphism

(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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7-128877201-C-T

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