rs28730852

Variant summary

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

The NM_001378454.1(ALMS1):ā€‹c.3193T>Cā€‹(p.Ser1065Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00098 in 1,614,016 control chromosomes in the GnomAD database, including 12 homozygotes. In-silico tool predicts a benign outcome for this variant. 11/16 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (ā˜…ā˜…).

Frequency

Genomes: š‘“ 0.0053 ( 7 hom., cov: 33)
Exomes š‘“: 0.00053 ( 5 hom. )

Consequence

ALMS1
NM_001378454.1 missense

Scores

14

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:14

Conservation

PhyloP100: -2.26
Variant links:
Genes affected
ALMS1 (HGNC:428): (ALMS1 centrosome and basal body associated protein) This gene encodes a protein containing a large tandem-repeat domain as well as additional low complexity regions. The encoded protein functions in microtubule organization, particularly in the formation and maintanance of cilia. Mutations in this gene cause Alstrom syndrome. There is a pseudogene for this gene located adjacent in the same region of chromosome 2. Alternative splice variants have been described but their full length nature has not been determined. [provided by RefSeq, Apr 2014]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.003911495).
BP6
Variant 2-73449720-T-C is Benign according to our data. Variant chr2-73449720-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 387347.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00534 (812/152202) while in subpopulation AFR AF= 0.018 (746/41538). AF 95% confidence interval is 0.0169. There are 7 homozygotes in gnomad4. There are 392 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 7 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ALMS1NM_001378454.1 linkuse as main transcriptc.3193T>C p.Ser1065Pro missense_variant 8/23 ENST00000613296.6 NP_001365383.1
ALMS1NM_015120.4 linkuse as main transcriptc.3196T>C p.Ser1066Pro missense_variant 8/23 NP_055935.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ALMS1ENST00000613296.6 linkuse as main transcriptc.3193T>C p.Ser1065Pro missense_variant 8/231 NM_001378454.1 ENSP00000482968 P3Q8TCU4-1

Frequencies

GnomAD3 genomes
AF:
0.00534
AC:
812
AN:
152084
Hom.:
7
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0180
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00347
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:
0.0000735
Gnomad OTH
AF:
0.00383
GnomAD3 exomes
AF:
0.00118
AC:
293
AN:
249056
Hom.:
2
AF XY:
0.000977
AC XY:
132
AN XY:
135088
show subpopulations
Gnomad AFR exome
AF:
0.0158
Gnomad AMR exome
AF:
0.00113
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:
0.0000354
Gnomad OTH exome
AF:
0.000991
GnomAD4 exome
AF:
0.000527
AC:
770
AN:
1461814
Hom.:
5
Cov.:
40
AF XY:
0.000459
AC XY:
334
AN XY:
727216
show subpopulations
Gnomad4 AFR exome
AF:
0.0178
Gnomad4 AMR exome
AF:
0.00121
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:
0.0000252
Gnomad4 OTH exome
AF:
0.00146
GnomAD4 genome
AF:
0.00534
AC:
812
AN:
152202
Hom.:
7
Cov.:
33
AF XY:
0.00527
AC XY:
392
AN XY:
74424
show subpopulations
Gnomad4 AFR
AF:
0.0180
Gnomad4 AMR
AF:
0.00347
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000735
Gnomad4 OTH
AF:
0.00379
Alfa
AF:
0.000968
Hom.:
0
Bravo
AF:
0.00606
ESP6500AA
AF:
0.0144
AC:
55
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.00149
AC:
180
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.0000546
EpiControl
AF:
0.0000593

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:14
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:4
Benign, no assertion criteria providedclinical testingGenome Diagnostics Laboratory, University Medical Center Utrecht-- -
Benign, no assertion criteria providedclinical testingClinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center-- -
Benign, no assertion criteria providedclinical testingClinical Genetics, Academic Medical Center-- -
Benign, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineMar 21, 2016p.Ser1064Pro in exon 8 of ALMS1: This variant is not expected to have clinical s ignificance because it has been identified in 1.58% (155/9794) of African chromo somes by the Exome Aggregation Consortium (ExAC, http://exac.broadinstitute.org; dbSNP rs28730852). -
not provided Benign:4
Likely benign, no assertion criteria providedclinical testingLaboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC)-- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingGeneDxJun 24, 2018- -
Benign, criteria provided, single submitterclinical testingAthena DiagnosticsSep 14, 2018- -
Alstrom syndrome Benign:4
Benign, criteria provided, single submitterresearchClinical Genomics, Uppaluri K&H Personalized Medicine Clinic-Potent mutations in ALMS1 are associated with a rare condition called Alstrom syndrome. It can cause excessive eating, insulin resistance. However, no evidence is found to ascertain the role of rs28730852 in Alstrom syndrome yet. -
Likely benign, criteria provided, single submitterclinical testingFulgent Genetics, Fulgent GeneticsSep 14, 2021- -
Likely benign, criteria provided, single submitterclinical testingARUP Laboratories, Molecular Genetics and Genomics, ARUP LaboratoriesAug 16, 2023- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 31, 2024- -
Monogenic diabetes Benign:1
Benign, criteria provided, single submitterresearchPersonalized Diabetes Medicine Program, University of Maryland School of MedicineMay 18, 2018ACMG criteria: BP4 (9 predictors, Revel score 0.018), BS2 (35 cases and 38 controls in type2diabetesgenetics.org, 3 homozygotes in gnomAD), BP1, BS1 (MAF 1.7% in gnomAD Africans)= benign -
Cardiovascular phenotype Benign:1
Benign, criteria provided, single submitterclinical testingAmbry GeneticsJan 26, 2019This alteration is classified as 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. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.054
BayesDel_addAF
Benign
-0.66
T
BayesDel_noAF
Benign
-0.71
CADD
Benign
0.011
DANN
Benign
0.10
DEOGEN2
Benign
0.0059
T;.;.
Eigen
Benign
-1.8
Eigen_PC
Benign
-1.8
FATHMM_MKL
Benign
0.0012
N
LIST_S2
Benign
0.27
T;T;T
MetaRNN
Benign
0.0039
T;T;T
MetaSVM
Benign
-0.97
T
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.27
T
Sift4G
Benign
0.37
T;T;T
Vest4
0.064
MVP
0.085
ClinPred
0.0044
T
GERP RS
-4.6
Varity_R
0.056
gMVP
0.038

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: rs28730852; hg19: chr2-73676847; API