chr16-3591029-G-A

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBS1_SupportingBS2

The NM_032444.4(SLX4):​c.2609C>T​(p.Ala870Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000649 in 1,614,166 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00068 ( 2 hom. )

Consequence

SLX4
NM_032444.4 missense

Scores

1
18

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:4B:2

Conservation

PhyloP100: 0.157
Variant links:
Genes affected
SLX4 (HGNC:23845): (SLX4 structure-specific endonuclease subunit) This gene encodes a protein that functions as an assembly component of multiple structure-specific endonucleases. These endonuclease complexes are required for repair of specific types of DNA lesions and critical for cellular responses to replication fork failure. Mutations in this gene were found in patients with Fanconi anemia. [provided by RefSeq, Sep 2016]

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=0.012291729).
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.000328 (50/152328) while in subpopulation SAS AF= 0.000828 (4/4830). AF 95% confidence interval is 0.000444. There are 0 homozygotes in gnomad4. There are 22 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting
BS2
High Homozygotes in GnomAdExome4 at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SLX4NM_032444.4 linkuse as main transcriptc.2609C>T p.Ala870Val missense_variant 12/15 ENST00000294008.4 NP_115820.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SLX4ENST00000294008.4 linkuse as main transcriptc.2609C>T p.Ala870Val missense_variant 12/155 NM_032444.4 ENSP00000294008 P1Q8IY92-1

Frequencies

GnomAD3 genomes
AF:
0.000328
AC:
50
AN:
152210
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000724
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000827
Gnomad FIN
AF:
0.0000942
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000588
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000752
AC:
189
AN:
251410
Hom.:
0
AF XY:
0.000861
AC XY:
117
AN XY:
135888
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.0000867
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00127
Gnomad FIN exome
AF:
0.000417
Gnomad NFE exome
AF:
0.00119
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000683
AC:
998
AN:
1461838
Hom.:
2
Cov.:
36
AF XY:
0.000671
AC XY:
488
AN XY:
727222
show subpopulations
Gnomad4 AFR exome
AF:
0.000149
Gnomad4 AMR exome
AF:
0.0000894
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00111
Gnomad4 FIN exome
AF:
0.000468
Gnomad4 NFE exome
AF:
0.000753
Gnomad4 OTH exome
AF:
0.000447
GnomAD4 genome
AF:
0.000328
AC:
50
AN:
152328
Hom.:
0
Cov.:
32
AF XY:
0.000295
AC XY:
22
AN XY:
74492
show subpopulations
Gnomad4 AFR
AF:
0.0000722
Gnomad4 AMR
AF:
0.0000653
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000828
Gnomad4 FIN
AF:
0.0000942
Gnomad4 NFE
AF:
0.000588
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000459
Hom.:
0
Bravo
AF:
0.000332
TwinsUK
AF:
0.000809
AC:
3
ALSPAC
AF:
0.000519
AC:
2
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000930
AC:
8
ExAC
AF:
0.000988
AC:
120
EpiCase
AF:
0.000600
EpiControl
AF:
0.000830

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:4Benign:2
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Fanconi anemia complementation group P Uncertain:3
Uncertain significance, criteria provided, single submitterclinical testingRevvity Omics, RevvityNov 28, 2022- -
Uncertain significance, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaMay 12, 2017This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. However, the evidence from the literature, in combination with allele frequency data from public databases where available, was not sufficient to rule this variant in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance. -
Uncertain significance, criteria provided, single submitterclinical testingFulgent Genetics, Fulgent GeneticsOct 31, 2018- -
Fanconi anemia Uncertain:1Benign:1
Uncertain significance, criteria provided, single submittercurationSema4, Sema4Feb 11, 2022- -
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 19, 2024- -
not specified Benign:1
Likely benign, no assertion criteria providedcurationLeiden Open Variation DatabaseAug 31, 2012Curator: Arleen D. Auerbach. Submitter to LOVD: Janine Bakker. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.61
T
BayesDel_noAF
Benign
-0.69
CADD
Benign
6.7
DANN
Uncertain
0.99
DEOGEN2
Benign
0.043
T
Eigen
Benign
-0.72
Eigen_PC
Benign
-0.81
FATHMM_MKL
Benign
0.14
N
LIST_S2
Benign
0.39
T
M_CAP
Benign
0.033
D
MetaRNN
Benign
0.012
T
MetaSVM
Benign
-0.90
T
MutationAssessor
Benign
1.0
L
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.25
T
PROVEAN
Benign
-1.1
N
REVEL
Benign
0.045
Sift
Benign
0.10
T
Sift4G
Benign
0.31
T
Polyphen
0.67
P
Vest4
0.26
MVP
0.13
MPC
0.064
ClinPred
0.016
T
GERP RS
2.1
Varity_R
0.023
gMVP
0.16

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: rs149584080; hg19: chr16-3641030; COSMIC: COSV105876576; COSMIC: COSV105876576; API