rs139712739

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM1BP6BS2

The NM_000545.8(HNF1A):​c.586A>G​(p.Thr196Ala) variant causes a missense change. The variant allele was found at a frequency of 0.000359 in 1,614,072 control chromosomes in the GnomAD database, including 1 homozygotes. 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. T196S) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00022 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00037 ( 1 hom. )

Consequence

HNF1A
NM_000545.8 missense

Scores

1
4
7

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:3

Conservation

PhyloP100: 5.42

Publications

15 publications found
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 Gene-Disease associations (from GenCC):
  • monogenic diabetes
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • type 1 diabetes mellitus 20
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Laboratory for Molecular Medicine, Genomics England PanelApp
  • diabetes mellitus, noninsulin-dependent
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
  • maturity-onset diabetes of the young type 3
    Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp
  • hyperinsulinism due to HNF1A deficiency
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • maturity-onset diabetes of the young
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • nonpapillary renal cell carcinoma
    Inheritance: Unknown Classification: NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM1
In a hotspot region, there are 7 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 2 uncertain in NM_000545.8
BP6
Variant 12-120993579-A-G is Benign according to our data. Variant chr12-120993579-A-G is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 435423.
BS2
High AC in GnomAd4 at 34 AD,Unknown gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000545.8. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
HNF1A
NM_000545.8
MANE Select
c.586A>Gp.Thr196Ala
missense
Exon 3 of 10NP_000536.6
HNF1A
NM_001306179.2
c.586A>Gp.Thr196Ala
missense
Exon 3 of 10NP_001293108.2F5H0K0
HNF1A
NM_001406915.1
c.586A>Gp.Thr196Ala
missense
Exon 3 of 9NP_001393844.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
HNF1A
ENST00000257555.11
TSL:1 MANE Select
c.586A>Gp.Thr196Ala
missense
Exon 3 of 10ENSP00000257555.5P20823-1
HNF1A
ENST00000544413.2
TSL:1
c.586A>Gp.Thr196Ala
missense
Exon 3 of 10ENSP00000438804.1F5H0K0
HNF1A
ENST00000540108.1
TSL:1
n.*26A>G
non_coding_transcript_exon
Exon 2 of 9ENSP00000445445.1P20823-8

Frequencies

GnomAD3 genomes
AF:
0.000223
AC:
34
AN:
152184
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000196
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:
0.000456
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000274
AC:
69
AN:
251386
AF XY:
0.000294
show subpopulations
Gnomad AFR exome
AF:
0.0000616
Gnomad AMR exome
AF:
0.000145
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000924
Gnomad NFE exome
AF:
0.000519
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000373
AC:
546
AN:
1461888
Hom.:
1
Cov.:
34
AF XY:
0.000366
AC XY:
266
AN XY:
727246
show subpopulations
African (AFR)
AF:
0.0000896
AC:
3
AN:
33480
American (AMR)
AF:
0.000224
AC:
10
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.000150
AC:
8
AN:
53418
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000449
AC:
499
AN:
1112010
Other (OTH)
AF:
0.000430
AC:
26
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.465
Heterozygous variant carriers
0
31
62
94
125
156
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
22
44
66
88
110
<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
AF:
0.000223
AC:
34
AN:
152184
Hom.:
0
Cov.:
32
AF XY:
0.000175
AC XY:
13
AN XY:
74352
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41438
American (AMR)
AF:
0.000196
AC:
3
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5194
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000456
AC:
31
AN:
68022
Other (OTH)
AF:
0.00
AC:
0
AN:
2088
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.496
Heterozygous variant carriers
0
1
3
4
6
7
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000373
Hom.:
0
Bravo
AF:
0.000272
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.000454
AC:
2
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000329
AC:
40
EpiCase
AF:
0.000436
EpiControl
AF:
0.000296

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
1
not specified (2)
-
-
1
Maturity-onset diabetes of the young (1)
-
1
-
Maturity-onset diabetes of the young type 3 (1)
-
-
1
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.062
BayesDel_addAF
Benign
-0.29
T
BayesDel_noAF
Uncertain
0.10
CADD
Benign
23
DANN
Uncertain
0.98
DEOGEN2
Benign
0.23
T
Eigen
Benign
-0.17
Eigen_PC
Benign
-0.034
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Benign
0.26
T
M_CAP
Pathogenic
0.38
D
MetaRNN
Uncertain
0.48
T
PhyloP100
5.4
Sift4G
Benign
0.35
T
Vest4
0.80
MVP
0.92
ClinPred
0.057
T
GERP RS
4.9
Mutation Taster
=13/87
disease causing

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

Other links and lift over

dbSNP: rs139712739; hg19: chr12-121431382; API