Genetic Variant UAP1L1:p.Asn226Ser (chr9-137078982-A-G) – ACMG Classification: Likely_pathogenic (8 pts)

Variant summary

Our verdict is Likely pathogenic. Variant got 8 ACMG points: 8P and 0B. PM1PM2PP3_Strong

The NM_207309.3(UAP1L1):c.677A>G(p.Asn226Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000126 in 1,587,228 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 35)

Exomes 𝑓: 0.000013 ( 1 hom. )

Consequence

UAP1L1
NM_207309.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.29

Variant links:

Genes affected

UAP1L1 (HGNC:28082): (UDP-N-acetylglucosamine pyrophosphorylase 1 like 1) Predicted to enable UDP-N-acetylglucosamine diphosphorylase activity. Predicted to be involved in UDP-N-acetylglucosamine biosynthetic process. [provided by Alliance of Genome Resources, Apr 2022]

UAP1L1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 8 ACMG points.

PM1

In a binding_site (size 0) in uniprot entity UAP1L_HUMAN

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.967

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
UAP1L1	NM_207309.3 link	c.677A>G	p.Asn226Ser	missense_variant	Exon 4 of 9	ENST00000409858.8	NP_997192.2	Q3KQV9-1
UAP1L1	XM_047424066.1 link	c.905A>G	p.Asn302Ser	missense_variant	Exon 3 of 8		XP_047280022.1
UAP1L1	XM_006717317.4 link	c.677A>G	p.Asn226Ser	missense_variant	Exon 4 of 8		XP_006717380.1
UAP1L1	XM_011519182.3 link	c.176A>G	p.Asn59Ser	missense_variant	Exon 3 of 7		XP_011517484.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
UAP1L1	ENST00000409858.8 link	c.677A>G	p.Asn226Ser	missense_variant	Exon 4 of 9	1	NM_207309.3	ENSP00000386935.3		Q3KQV9-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152216

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.000478

GnomAD3 exomes

AF:

0.0000178

AC:

AN:

225036

Hom.:

AF XY:

0.00000814

AC XY:

AN XY:

122902

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 SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000380

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000132

AC:

AN:

1435012

Hom.:

Cov.:

AF XY:

0.0000126

AC XY:

AN XY:

713884

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000286

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000253

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000543

Gnomad4 OTH exome

AF:

0.0000169

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152216

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74372

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.000478

Alfa

AF:

0.0000509

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.00000825

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Apr 08, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.677A>G (p.N226S) alteration is located in exon 4 (coding exon 4) of the UAP1L1 gene. This alteration results from a A to G substitution at nucleotide position 677, causing the asparagine (N) at amino acid position 226 to be replaced by a serine (S). 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

Pathogenic

0.65

BayesDel_addAF

Benign

-0.14

BayesDel_noAF

Benign

-0.32

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.18

T;.

Eigen

Uncertain

0.65

Eigen_PC

Uncertain

0.53

FATHMM_MKL

Uncertain

0.94

LIST_S2

Pathogenic

1.0

D;D

M_CAP

Uncertain

0.19

MetaRNN

Pathogenic

0.97

D;D

MetaSVM

Benign

-0.53

MutationAssessor

Pathogenic

3.7

H;.

PrimateAI

Uncertain

0.54

PROVEAN

Pathogenic

-4.8

D;D

REVEL

Uncertain

0.43

Sift

Pathogenic

0.0

D;D

Sift4G

Pathogenic

0.0

D;D

Polyphen

1.0

D;D

Vest4

0.88

MutPred

0.83

Gain of glycosylation at N226 (P = 0.0233);.;

MVP

0.46

MPC

0.75

ClinPred

0.99

GERP RS

4.9

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.89

gMVP

0.90

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over