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GeneBe

8-143726178-G-A

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4_ModerateBS1_SupportingBS2

The NM_198488.5(FAM83H):c.3283C>T(p.Arg1095Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000937 in 1,612,140 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 34)
Exomes 𝑓: 0.000097 ( 0 hom. )

Consequence

FAM83H
NM_198488.5 missense

Scores

3
5
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.91
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 -7 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.21559882).
BS1
Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.0000591 (9/152238) while in subpopulation NFE AF= 0.0000882 (6/68034). AF 95% confidence interval is 0.0000376. There are 0 homozygotes in gnomad4. There are 4 alleles in male gnomad4 subpopulation. Median coverage is 34. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting
BS2
High AC in GnomAd at 9 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
FAM83HNM_198488.5 linkuse as main transcriptc.3283C>T p.Arg1095Cys missense_variant 5/5 ENST00000388913.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FAM83HENST00000388913.4 linkuse as main transcriptc.3283C>T p.Arg1095Cys missense_variant 5/55 NM_198488.5 P2
FAM83HENST00000650760.1 linkuse as main transcriptc.3886C>T p.Arg1296Cys missense_variant 5/5 A2
FAM83HENST00000395103.2 linkuse as main transcriptc.2464C>T p.Arg822Cys missense_variant, NMD_transcript_variant 1/22

Frequencies

GnomAD3 genomes
AF:
0.0000591
AC:
9
AN:
152238
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.0000882
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.0000626
AC:
15
AN:
239594
Hom.:
0
AF XY:
0.0000838
AC XY:
11
AN XY:
131320
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:
0.000142
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000973
AC:
142
AN:
1459902
Hom.:
0
Cov.:
83
AF XY:
0.000101
AC XY:
73
AN XY:
726280
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000464
Gnomad4 FIN exome
AF:
0.0000384
Gnomad4 NFE exome
AF:
0.000113
Gnomad4 OTH exome
AF:
0.0000829
GnomAD4 genome
AF:
0.0000591
AC:
9
AN:
152238
Hom.:
0
Cov.:
34
AF XY:
0.0000538
AC XY:
4
AN XY:
74378
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.000478
Alfa
AF:
0.0000996
Hom.:
0
Bravo
AF:
0.0000529
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000240
AC:
2
ExAC
AF:
0.0000829
AC:
10
EpiCase
AF:
0.00
EpiControl
AF:
0.000237

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsApr 04, 2023The c.3283C>T (p.R1095C) alteration is located in exon 5 (coding exon 4) of the FAM83H gene. This alteration results from a C to T substitution at nucleotide position 3283, causing the arginine (R) at amino acid position 1095 to be replaced by a cysteine (C). 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
0.17
BayesDel_addAF
Benign
-0.24
T
BayesDel_noAF
Benign
-0.32
Cadd
Uncertain
25
Dann
Pathogenic
1.0
DEOGEN2
Benign
0.12
T
Eigen
Uncertain
0.36
Eigen_PC
Uncertain
0.38
FATHMM_MKL
Uncertain
0.90
D
M_CAP
Benign
0.034
D
MetaRNN
Benign
0.22
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.97
L
MutationTaster
Benign
0.96
D
PrimateAI
Pathogenic
0.83
D
PROVEAN
Uncertain
-4.3
D
REVEL
Benign
0.13
Sift
Pathogenic
0.0
D
Sift4G
Uncertain
0.0050
D
Polyphen
1.0
D
Vest4
0.30
MVP
0.082
MPC
1.2
ClinPred
0.54
D
GERP RS
5.0
Varity_R
0.12
gMVP
0.54

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: rs377125756; hg19: chr8-144808348; API