chr8-143726402-C-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_198488.5(FAM83H):​c.3059G>A​(p.Arg1020Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00901 in 1,605,694 control chromosomes in the GnomAD database, including 91 homozygotes. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0065 ( 8 hom., cov: 34)
Exomes 𝑓: 0.0093 ( 83 hom. )

Consequence

FAM83H
NM_198488.5 missense

Scores

2
15

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 0.708
Variant links:
Genes affected
FAM83H (HGNC:24797): (family with sequence similarity 83 member H) The protein encoded by this gene plays an important role in the structural development and calcification of tooth enamel. Defects in this gene are a cause of amelogenesis imperfecta type 3 (AI3). [provided by RefSeq, Mar 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.004142016).
BP6
Variant 8-143726402-C-T is Benign according to our data. Variant chr8-143726402-C-T is described in ClinVar as [Benign]. Clinvar id is 263136.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr8-143726402-C-T is described in Lovd as [Benign].
BS1
Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.00651 (991/152332) while in subpopulation NFE AF= 0.0106 (724/68020). AF 95% confidence interval is 0.01. There are 8 homozygotes in gnomad4. There are 489 alleles in male gnomad4 subpopulation. Median coverage is 34. This position pass quality control queck.
BS2
High AC in GnomAd4 at 991 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
FAM83HNM_198488.5 linkc.3059G>A p.Arg1020Gln missense_variant Exon 5 of 5 ENST00000388913.4 NP_940890.4 Q6ZRV2Q71RB4

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
FAM83HENST00000388913.4 linkc.3059G>A p.Arg1020Gln missense_variant Exon 5 of 5 5 NM_198488.5 ENSP00000373565.3 Q6ZRV2
FAM83HENST00000650760.1 linkc.3662G>A p.Arg1221Gln missense_variant Exon 5 of 5 ENSP00000499217.1 A0A494C1T9
FAM83HENST00000395103.2 linkn.2237G>A non_coding_transcript_exon_variant Exon 1 of 2 2 ENSP00000378535.2 J3KPS2

Frequencies

GnomAD3 genomes
AF:
0.00651
AC:
991
AN:
152214
Hom.:
8
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.00207
Gnomad AMI
AF:
0.00110
Gnomad AMR
AF:
0.00778
Gnomad ASJ
AF:
0.00547
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00166
Gnomad FIN
AF:
0.00254
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0106
Gnomad OTH
AF:
0.00334
GnomAD3 exomes
AF:
0.00611
AC:
1373
AN:
224556
Hom.:
9
AF XY:
0.00630
AC XY:
781
AN XY:
124012
show subpopulations
Gnomad AFR exome
AF:
0.00169
Gnomad AMR exome
AF:
0.00307
Gnomad ASJ exome
AF:
0.00370
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00238
Gnomad FIN exome
AF:
0.00205
Gnomad NFE exome
AF:
0.0108
Gnomad OTH exome
AF:
0.00722
GnomAD4 exome
AF:
0.00927
AC:
13474
AN:
1453362
Hom.:
83
Cov.:
83
AF XY:
0.00891
AC XY:
6437
AN XY:
722756
show subpopulations
Gnomad4 AFR exome
AF:
0.00162
Gnomad4 AMR exome
AF:
0.00382
Gnomad4 ASJ exome
AF:
0.00415
Gnomad4 EAS exome
AF:
0.0000253
Gnomad4 SAS exome
AF:
0.00243
Gnomad4 FIN exome
AF:
0.00290
Gnomad4 NFE exome
AF:
0.0111
Gnomad4 OTH exome
AF:
0.00737
GnomAD4 genome
AF:
0.00651
AC:
991
AN:
152332
Hom.:
8
Cov.:
34
AF XY:
0.00656
AC XY:
489
AN XY:
74488
show subpopulations
Gnomad4 AFR
AF:
0.00207
Gnomad4 AMR
AF:
0.00777
Gnomad4 ASJ
AF:
0.00547
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00166
Gnomad4 FIN
AF:
0.00254
Gnomad4 NFE
AF:
0.0106
Gnomad4 OTH
AF:
0.00331
Alfa
AF:
0.00961
Hom.:
7
Bravo
AF:
0.00642
TwinsUK
AF:
0.00539
AC:
20
ALSPAC
AF:
0.00934
AC:
36
ESP6500AA
AF:
0.00143
AC:
6
ESP6500EA
AF:
0.00881
AC:
74
ExAC
AF:
0.00590
AC:
709
Asia WGS
AF:
0.000577
AC:
2
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Dec 31, 2019
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

-
Breakthrough Genomics, Breakthrough Genomics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: not provided

- -

not specified Benign:1
-
PreventionGenetics, part of Exact Sciences
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.089
BayesDel_addAF
Benign
-0.60
T
BayesDel_noAF
Benign
-0.63
CADD
Benign
13
DANN
Uncertain
0.99
DEOGEN2
Benign
0.0029
T
Eigen
Benign
-0.83
Eigen_PC
Benign
-0.80
FATHMM_MKL
Benign
0.073
N
MetaRNN
Benign
0.0041
T
MetaSVM
Benign
-0.93
T
MutationAssessor
Benign
1.8
L
PrimateAI
Uncertain
0.71
T
PROVEAN
Benign
-0.94
N
REVEL
Benign
0.089
Sift
Benign
0.54
T
Sift4G
Benign
0.62
T
Polyphen
0.15
B
Vest4
0.076
MVP
0.082
MPC
0.38
ClinPred
0.0059
T
GERP RS
3.9
Varity_R
0.063
gMVP
0.11

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.

Other links and lift over

dbSNP: rs117987215; hg19: chr8-144808572; API