NM_003982.4:c.499+1G>C

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PVS1_StrongPP5_Moderate

The NM_003982.4(SLC7A7):​c.499+1G>C variant causes a splice donor, intron change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000372 in 1,612,862 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 3/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Likely pathogenic (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 29)
Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

SLC7A7
NM_003982.4 splice_donor, intron

Scores

4
2
1
Splicing: ADA: 1.000
2

Clinical Significance

Likely pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 7.91

Publications

0 publications found
Variant links:
Genes affected
SLC7A7 (HGNC:11065): (solute carrier family 7 member 7) The protein encoded by this gene is the light subunit of a cationic amino acid transporter. This sodium-independent transporter is formed when the light subunit encoded by this gene dimerizes with the heavy subunit transporter protein SLC3A2. This transporter is found in epithelial cell membranes where it transfers cationic and large neutral amino acids from the cell to the extracellular space. Defects in this gene are a cause of lysinuric protein intolerance (LPI). Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2011]
SLC7A7 Gene-Disease associations (from GenCC):
  • lysinuric protein intolerance
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: PanelApp Australia, Orphanet, Labcorp Genetics (formerly Invitae), ClinGen, Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PVS1
Splicing +-2 bp (donor or acceptor) variant, product NOT destroyed by NMD, known LOF gene, truncates exone, which is 0.35221353 fraction of the gene. Cryptic splice site detected, with MaxEntScore 4.4, offset of 15, new splice context is: gggGTagga. Cryptic site results in inframe change. If cryptic site found is not functional and variant results in exon loss, it results in frameshift change.
PP5
Variant 14-22812899-C-G is Pathogenic according to our data. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-22812899-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3383994.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SLC7A7NM_003982.4 linkc.499+1G>C splice_donor_variant, intron_variant Intron 2 of 9 ENST00000674313.1 NP_003973.3
SLC7A7NM_001126105.3 linkc.499+1G>C splice_donor_variant, intron_variant Intron 3 of 10 NP_001119577.1 Q9UM01A0A0S2Z502
SLC7A7NM_001126106.4 linkc.499+1G>C splice_donor_variant, intron_variant Intron 3 of 10 NP_001119578.1 Q9UM01A0A0S2Z502
SLC7A7XM_011537299.2 linkc.499+1G>C splice_donor_variant, intron_variant Intron 2 of 9 XP_011535601.1 Q9UM01A0A0S2Z502

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SLC7A7ENST00000674313.1 linkc.499+1G>C splice_donor_variant, intron_variant Intron 2 of 9 NM_003982.4 ENSP00000501493.1 Q9UM01

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
151706
Hom.:
0
Cov.:
29
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000190
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1461156
Hom.:
0
Cov.:
28
AF XY:
0.00000138
AC XY:
1
AN XY:
726858
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33466
American (AMR)
AF:
0.00
AC:
0
AN:
44716
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26132
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86252
European-Finnish (FIN)
AF:
0.0000189
AC:
1
AN:
52812
Middle Eastern (MID)
AF:
0.000524
AC:
3
AN:
5728
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1111966
Other (OTH)
AF:
0.00
AC:
0
AN:
60384
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.463
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
151706
Hom.:
0
Cov.:
29
AF XY:
0.0000270
AC XY:
2
AN XY:
74086
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41238
American (AMR)
AF:
0.00
AC:
0
AN:
15196
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5174
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4806
European-Finnish (FIN)
AF:
0.000190
AC:
2
AN:
10550
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
314
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
67972
Other (OTH)
AF:
0.00
AC:
0
AN:
2080
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.625
Heterozygous variant carriers
0
0
1
1
2
2
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:
0.00
Hom.:
0

ClinVar

Significance: Likely pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Lysinuric protein intolerance Pathogenic:1
Oct 04, 2024
Al Jalila Children’s Genomics Center, Al Jalila Childrens Speciality Hospital
Significance:Likely pathogenic
Review Status:criteria provided, single submitter
Collection Method:research

PVS1,PM2 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.63
D
BayesDel_noAF
Pathogenic
0.35
CADD
Pathogenic
32
DANN
Uncertain
0.99
Eigen
Pathogenic
1.2
Eigen_PC
Pathogenic
1.1
FATHMM_MKL
Uncertain
0.95
D
PhyloP100
7.9
GERP RS
5.7
Mutation Taster
=1/99
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Pathogenic
0.94
SpliceAI score (max)
0.99
Details are displayed if max score is > 0.2
DS_DL_spliceai
0.99
Position offset: 1

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs386833817; hg19: chr14-23282108; API