Genetic Variant NM_030929.5:c.764G>A (chr10-101064592-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_030929.5(KAZALD1):c.764G>A(p.Gly255Asp) variant causes a missense change. The variant allele was found at a frequency of 0.00000411 in 1,461,624 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.

Frequency

Genomes: not found (cov: 34)

Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

KAZALD1
NM_030929.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.18

Publications

0 publications found

Variant links:

Genes affected

KAZALD1 (HGNC:25460): (Kazal type serine peptidase inhibitor domain 1) This gene encodes a secreted member of the insulin growth factor-binding protein (IGFBP) superfamily. The protein contains an insulin growth factor-binding domain in its N-terminal region, a Kazal-type serine protease inhibitor and follistatin-like domain in its central region, and an immunoglobulin-like domain in its C-terminal region. Studies of the mouse ortholog suggest that this protein may function in bone development and bone regeneration. This gene is hypomethylated and over-expressed in high-grade glioma compared to low-grade glioma, and thus the hypomethylated gene may be associated with cell proliferation and the shorter survival of patients with high-grade glioma. It is also one of numerous genes found to be deleted in a novel 5.54 Mb interstitial deletion, which is associated with multiple congenital anomalies. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2016]

KAZALD1 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=0.4115916).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_030929.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
KAZALD1	NM_030929.5	MANE Select	c.764G>A	p.Gly255Asp	missense	Exon 4 of 5	NP_112191.2
KAZALD1	NM_001319303.2		c.350G>A	p.Gly117Asp	missense	Exon 4 of 6	NP_001306232.1
KAZALD1	NR_135067.2		n.380G>A		non_coding_transcript_exon	Exon 3 of 5

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
KAZALD1	ENST00000370200.6	TSL:1 MANE Select	c.764G>A	p.Gly255Asp	missense	Exon 4 of 5	ENSP00000359219.6
KAZALD1	ENST00000477267.1	TSL:5	n.279G>A		non_coding_transcript_exon	Exon 3 of 5
KAZALD1	ENST00000477979.5	TSL:3	n.420G>A		non_coding_transcript_exon	Exon 3 of 4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000411

AC:

AN:

1461624

Hom.:

Cov.:

AF XY:

0.00000550

AC XY:

AN XY:

727110

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44708

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86246

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53284

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5700

European-Non Finnish (NFE)

AF:

0.00000540

AC:

AN:

1111990

Other (OTH)

AF:

0.00

AC:

AN:

60384

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

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.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.96

BayesDel_addAF

Benign

0.0066

BayesDel_noAF

Benign

-0.23

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.036

Eigen

Benign

-0.056

Eigen_PC

Benign

0.098

FATHMM_MKL

Uncertain

0.94

LIST_S2

Benign

0.69

M_CAP

Uncertain

0.22

MetaRNN

Benign

0.41

MetaSVM

Benign

-0.53

MutationAssessor

Uncertain

2.4

PhyloP100

6.2

PrimateAI

Uncertain

0.70

PROVEAN

Benign

-1.6

REVEL

Uncertain

0.31

Sift

Uncertain

0.0040

Sift4G

Uncertain

0.0050

Polyphen

0.050

Vest4

0.52

MutPred

0.71

Gain of phosphorylation at Y251 (P = 0.1219)

MVP

0.73

MPC

0.45

ClinPred

0.95

GERP RS

5.5

Varity_R

0.82

gMVP

0.94

Mutation Taster

=85/15

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over