Genetic Variant NM_020444.5:c.474G>T (chr5-176348342-C-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_020444.5(KIAA1191):c.474G>T(p.Gln158His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000434 in 1,613,236 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 8/13 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Q158L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 30)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

KIAA1191
NM_020444.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.462

Publications

1 publications found

Variant links:

Genes affected

KIAA1191 (HGNC:29209): (KIAA1191) Predicted to enable oxidoreductase activity. Predicted to be active in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

KIAA1191 links:

ENSG00000250909 (HGNC:41234):

ENSG00000250909 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (REVEL=0.076).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KIAA1191	NM_020444.5 link	c.474G>T	p.Gln158His	missense_variant	Exon 7 of 9	ENST00000298569.9	NP_065177.2	Q96A73-1A0A024R7Q7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
KIAA1191	ENST00000298569.9 link	c.474G>T	p.Gln158His	missense_variant	Exon 7 of 9	1	NM_020444.5	ENSP00000298569.4		Q96A73-1

Frequencies

GnomAD3 genomes

AF:

0.0000198

AC:

AN:

151628

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000728

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461608

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727124

show subpopulations

African (AFR)

AF:

0.000120

AC:

AN:

33464

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26126

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86248

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111788

Other (OTH)

AF:

0.00

AC:

AN:

60378

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000198

AC:

AN:

151628

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

73988

show subpopulations

African (AFR)

AF:

0.0000728

AC:

AN:

41214

American (AMR)

AF:

0.00

AC:

AN:

15196

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3464

East Asian (EAS)

AF:

0.00

AC:

AN:

5174

South Asian (SAS)

AF:

0.00

AC:

AN:

4774

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10538

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67966

Other (OTH)

AF:

0.00

AC:

AN:

2076

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

May 05, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.474G>T (p.Q158H) alteration is located in exon 7 (coding exon 5) of the KIAA1191 gene. This alteration results from a G to T substitution at nucleotide position 474, causing the glutamine (Q) at amino acid position 158 to be replaced by a histidine (H). 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

0.26

BayesDel_addAF

Uncertain

0.048

BayesDel_noAF

Benign

-0.37

CADD

Benign

(source)

DANN

Uncertain

0.99

Eigen

Benign

-0.095

Eigen_PC

Benign

0.032

FATHMM_MKL

Uncertain

0.92

PhyloP100

0.46

Vest4

0.34

ClinPred

0.67

GERP RS

3.9

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.26

Mutation Taster

=94/106

disease causing (fs/PTC)

(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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NM_020444.5:c.474G>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