rs756381548

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_000081.4(LYST):​c.9920G>T​(p.Arg3307Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000475 in 1,537,228 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R3307C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000049 ( 0 hom. )

Consequence

LYST
NM_000081.4 missense

Scores

4
9
5

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:3

Conservation

PhyloP100: 7.29

Publications

2 publications found
Variant links:
Genes affected
LYST (HGNC:1968): (lysosomal trafficking regulator) This gene encodes a protein that regulates intracellular protein trafficking in endosomes, and may be involved in pigmentation. Mutations in this gene are associated with Chediak-Higashi syndrome, a lysosomal storage disorder. Alternative splicing results in multiple transcript variants, though the full-length nature of some of these variants has not been determined. [provided by RefSeq, Apr 2013]
LYST Gene-Disease associations (from GenCC):
  • Chediak-Higashi syndrome
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Genomics England PanelApp, ClinGen, Labcorp Genetics (formerly Invitae), G2P
  • attenuated Chédiak-Higashi syndrome
    Inheritance: AR 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 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.745

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000081.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
LYST
NM_000081.4
MANE Select
c.9920G>Tp.Arg3307Leu
missense
Exon 43 of 53NP_000072.2
LYST
NM_001301365.1
c.9920G>Tp.Arg3307Leu
missense
Exon 43 of 53NP_001288294.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
LYST
ENST00000389793.7
TSL:5 MANE Select
c.9920G>Tp.Arg3307Leu
missense
Exon 43 of 53ENSP00000374443.2
LYST
ENST00000697235.1
c.470G>Tp.Arg157Leu
missense
Exon 5 of 15ENSP00000513202.1
LYST
ENST00000462376.2
TSL:4
n.1330G>T
non_coding_transcript_exon
Exon 1 of 10

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152038
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000255
AC:
4
AN:
157090
AF XY:
0.0000121
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000655
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000491
AC:
68
AN:
1385190
Hom.:
0
Cov.:
27
AF XY:
0.0000512
AC XY:
35
AN XY:
683494
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
31318
American (AMR)
AF:
0.00
AC:
0
AN:
35470
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25010
East Asian (EAS)
AF:
0.00
AC:
0
AN:
35466
South Asian (SAS)
AF:
0.00
AC:
0
AN:
77238
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
48900
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5622
European-Non Finnish (NFE)
AF:
0.0000608
AC:
65
AN:
1068762
Other (OTH)
AF:
0.0000523
AC:
3
AN:
57404
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.441
Heterozygous variant carriers
0
3
7
10
14
17
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
4
8
12
16
20
<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:
0.0000329
AC:
5
AN:
152038
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74266
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41432
American (AMR)
AF:
0.00
AC:
0
AN:
15254
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3466
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5204
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4824
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10546
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000588
AC:
4
AN:
67994
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.505
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:
0.00
Hom.:
0
Bravo
AF:
0.0000264

ClinVar

ClinVar submissions as Germline

Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
-
Chédiak-Higashi syndrome (2)
-
1
-
Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.57
BayesDel_addAF
Uncertain
0.15
D
BayesDel_noAF
Uncertain
0.13
CADD
Pathogenic
27
DANN
Uncertain
1.0
DEOGEN2
Benign
0.29
T
Eigen
Uncertain
0.34
Eigen_PC
Uncertain
0.47
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Uncertain
0.96
D
M_CAP
Benign
0.059
D
MetaRNN
Pathogenic
0.75
D
MetaSVM
Benign
-0.92
T
MutationAssessor
Benign
0.035
N
PhyloP100
7.3
PrimateAI
Pathogenic
0.91
D
PROVEAN
Uncertain
-2.4
N
REVEL
Uncertain
0.39
Sift
Benign
1.0
T
Sift4G
Uncertain
0.041
D
Polyphen
0.86
P
Vest4
0.70
MutPred
0.54
Loss of sheet (P = 0.0817)
MVP
0.92
ClinPred
0.94
D
GERP RS
5.5
Varity_R
0.36
gMVP
0.65
Mutation Taster
=37/63
disease causing

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

Other links and lift over

dbSNP: rs756381548; hg19: chr1-235875362; API