chr17-6434083-G-A

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PP3_Strong

The NM_001285402.2(AIPL1):​c.-6C>T variant causes a 5 prime UTR premature start codon gain change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000273 in 1,613,698 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 30)
Exomes 𝑓: 0.000027 ( 1 hom. )

Consequence

AIPL1
NM_001285402.2 5_prime_UTR_premature_start_codon_gain

Scores

9
4
5

Clinical Significance

Uncertain significance reviewed by expert panel U:5

Conservation

PhyloP100: 9.60

Publications

3 publications found
Variant links:
Genes affected
AIPL1 (HGNC:359): (aryl hydrocarbon receptor interacting protein like 1) Leber congenital amaurosis (LCA) is the most severe inherited retinopathy with the earliest age of onset and accounts for at least 5% of all inherited retinal diseases. Affected individuals are diagnosed at birth or in the first few months of life with nystagmus, severely impaired vision or blindness and an abnormal or flat electroretinogram. The photoreceptor/pineal-expressed gene, AIPL1, encoding aryl-hydrocarbon interacting protein-like 1, is located within the LCA4 candidate region. The encoded protein contains three tetratricopeptide motifs, consistent with chaperone or nuclear transport activity. Mutations in this gene may cause approximately 20% of recessive LCA. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2014]
AIPL1 Gene-Disease associations (from GenCC):
  • AIPL1-related retinopathy
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • Leber congenital amaurosis 4
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
  • Leber congenital amaurosis
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.946

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001285402.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
AIPL1
NM_014336.5
MANE Select
c.112C>Tp.Arg38Cys
missense
Exon 2 of 6NP_055151.3
AIPL1
NM_001285402.2
c.-6C>T
5_prime_UTR_premature_start_codon_gain
Exon 2 of 6NP_001272331.1F1T0C0
AIPL1
NM_001285401.3
c.112C>Tp.Arg38Cys
missense
Exon 2 of 6NP_001272330.1Q9NZN9-5

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
AIPL1
ENST00000381129.8
TSL:1 MANE Select
c.112C>Tp.Arg38Cys
missense
Exon 2 of 6ENSP00000370521.3Q9NZN9-1
AIPL1
ENST00000576776.5
TSL:1
c.112C>Tp.Arg38Cys
missense
Exon 2 of 6ENSP00000460827.1Q9NZN9-5
AIPL1
ENST00000250087.9
TSL:1
c.112C>Tp.Arg38Cys
missense
Exon 2 of 5ENSP00000250087.5Q9NZN9-3

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152010
Hom.:
0
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000398
AC:
10
AN:
250994
AF XY:
0.0000369
show subpopulations
Gnomad AFR exome
AF:
0.0000616
Gnomad AMR exome
AF:
0.000116
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000274
AC:
40
AN:
1461688
Hom.:
1
Cov.:
33
AF XY:
0.0000303
AC XY:
22
AN XY:
727132
show subpopulations
African (AFR)
AF:
0.0000597
AC:
2
AN:
33480
American (AMR)
AF:
0.000201
AC:
9
AN:
44702
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26130
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.0000696
AC:
6
AN:
86220
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53304
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.0000189
AC:
21
AN:
1111988
Other (OTH)
AF:
0.0000331
AC:
2
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.480
Heterozygous variant carriers
0
3
6
9
12
15
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
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
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152010
Hom.:
0
Cov.:
30
AF XY:
0.0000269
AC XY:
2
AN XY:
74240
show subpopulations
African (AFR)
AF:
0.0000242
AC:
1
AN:
41364
American (AMR)
AF:
0.0000655
AC:
1
AN:
15262
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3466
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5182
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4814
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10606
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000294
AC:
2
AN:
68006
Other (OTH)
AF:
0.00
AC:
0
AN:
2082
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
1
1
2
2
3
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:
0.00127
Hom.:
2
Bravo
AF:
0.0000416
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ExAC
AF:
0.0000330
AC:
4
EpiCase
AF:
0.0000545
EpiControl
AF:
0.0000593

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:reviewed by expert panel
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
-
not provided (2)
-
1
-
AIPL1-related retinopathy (1)
-
1
-
Leber congenital amaurosis 4 (1)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.17
BayesDel_addAF
Pathogenic
0.27
D
BayesDel_noAF
Pathogenic
0.37
CADD
Pathogenic
33
DANN
Benign
0.97
DEOGEN2
Benign
0.39
T
Eigen
Pathogenic
0.77
Eigen_PC
Pathogenic
0.72
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.93
D
M_CAP
Uncertain
0.21
D
MetaRNN
Pathogenic
0.95
D
MetaSVM
Uncertain
0.68
D
MutationAssessor
Uncertain
2.2
M
PhyloP100
9.6
PrimateAI
Benign
0.38
T
PROVEAN
Pathogenic
-5.8
D
REVEL
Pathogenic
0.93
Sift
Benign
0.035
D
Sift4G
Pathogenic
0.0010
D
Polyphen
1.0
D
Vest4
0.83
MutPred
0.84
Gain of catalytic residue at K41 (P = 0.0519)
MVP
0.97
MPC
0.87
ClinPred
0.82
D
GERP RS
4.8
Varity_R
0.58
gMVP
0.84
Mutation Taster
=28/72
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.080
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: rs200899521; hg19: chr17-6337403; COSMIC: COSV51508582; API