12-120999581-C-A

Position:

chr12-120999581-C-A

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_000545.8(HNF1A):c.1722C>A(p.Ser574Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00018 in 1,612,424 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 11/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S574G) has been classified as Benign.

Frequency

Genomes: 𝑓 0.00093 ( 1 hom., cov: 33)

Exomes 𝑓: 0.00010 ( 1 hom. )

Consequence

HNF1A
NM_000545.8 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications B:5O:1

Conservation

PhyloP100: 1.41

Variant links:

Genes affected

HNF1A (HGNC:11621): (HNF1 homeobox A) The protein encoded by this gene is a transcription factor required for the expression of several liver-specific genes. The encoded protein functions as a homodimer and binds to the inverted palindrome 5'-GTTAATNATTAAC-3'. Defects in this gene are a cause of maturity onset diabetes of the young type 3 (MODY3) and also can result in the appearance of hepatic adenomas. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Apr 2015]

HNF1A links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.011299312).

BP6

Variant 12-120999581-C-A is Benign according to our data. Variant chr12-120999581-C-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 393435.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=2, Uncertain_risk_allele=1, Benign=2}.

BS2

High AC in GnomAd4 at 141 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
HNF1A	NM_000545.8 linkuse as main transcript	c.1722C>A	p.Ser574Arg	missense_variant	9/10	ENST00000257555.11
HNF1A	NM_001306179.2 linkuse as main transcript	c.1743C>A	p.Ser581Arg	missense_variant	9/10
HNF1A	NM_001406915.1 linkuse as main transcript	c.1530C>A	p.Ser510Arg	missense_variant	8/9
HNF1A	XM_024449168.2 linkuse as main transcript	c.1815C>A	p.Ser605Arg	missense_variant	8/9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
HNF1A	ENST00000257555.11 linkuse as main transcript	c.1722C>A	p.Ser574Arg	missense_variant	9/10	1	NM_000545.8	P4

Frequencies

GnomAD3 genomes

AF:

0.000926

AC:

141

AN:

152236

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00330

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

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:

0.000957

GnomAD3 exomes

AF:

0.000243

AC:

AN:

242772

Hom.:

AF XY:

0.000121

AC XY:

AN XY:

132392

show subpopulations

Gnomad AFR exome

AF:

0.00352

Gnomad AMR exome

AF:

0.000145

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000103

AC:

150

AN:

1460070

Hom.:

Cov.:

AF XY:

0.0000771

AC XY:

AN XY:

726378

show subpopulations

Gnomad4 AFR exome

AF:

0.00406

Gnomad4 AMR exome

AF:

0.000134

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000180

Gnomad4 OTH exome

AF:

0.0000995

GnomAD4 genome

AF:

0.000925

AC:

141

AN:

152354

Hom.:

Cov.:

AF XY:

0.000966

AC XY:

AN XY:

74502

show subpopulations

Gnomad4 AFR

AF:

0.00329

Gnomad4 AMR

AF:

0.000131

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:

0.000947

Alfa

AF:

0.00121

Hom.:

Bravo

AF:

0.00103

ESP6500AA

AF:

0.00251

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000297

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Benign:5Other:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Benign:2

Benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Jan 06, 2024	- -
Benign, criteria provided, single submitter	clinical testing	Athena Diagnostics	Mar 05, 2018	- -

Maturity onset diabetes mellitus in young

Benign:1Other:1

Uncertain risk allele, criteria provided, single submitter	research	Clinical Genomics, Uppaluri K&H Personalized Medicine Clinic	-	Mutations in HNF1A gene can predispose to MODY3. It is associated with both micro and macrovascular complications of diabetes, especially cardiovascular complications. Associated with glucosuria. May respond well to sulfonylureas. However, more evidence is required to confer the association of this particular variant rs141304623 with MODY3. -
Likely benign, criteria provided, single submitter	clinical testing	Ambry Genetics	Sep 13, 2022	This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Monogenic diabetes

Benign:1

Likely benign, criteria provided, single submitter

research

Personalized Diabetes Medicine Program, University of Maryland School of Medicine

Nov 10, 2015

ACMG Criteria: PP3, BS2 (type2diabetesgenetics.org), BP4 -

HNF1A-related disorder

Benign:1

Likely benign, no assertion criteria provided

clinical testing

PreventionGenetics, part of Exact Sciences

May 07, 2021

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.22

BayesDel_addAF

Benign

-0.23

BayesDel_noAF

Benign

-0.10

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.53

.;D;.;T;.

Eigen

Benign

-0.39

Eigen_PC

Benign

-0.25

FATHMM_MKL

Benign

0.60

LIST_S2

Benign

0.27

T;T;T;T;T

M_CAP

Uncertain

0.13

MetaRNN

Benign

0.011

T;T;T;T;T

MetaSVM

Benign

-0.39

MutationTaster

Benign

1.0

N;N;N;N

PrimateAI

Uncertain

0.51

PROVEAN

Benign

-1.1

N;.;.;N;N

REVEL

Uncertain

0.38

Sift

Benign

0.048

D;.;.;D;T

Sift4G

Benign

0.46

T;T;T;T;T

Polyphen

0.018

.;.;.;.;B

Vest4

0.25

MutPred

0.44

.;.;.;.;Loss of glycosylation at S581 (P = 0.0238);

MVP

0.84

MPC

0.14

ClinPred

0.056

GERP RS

2.4

gMVP

0.43

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