NM_005698.4:c.584A>G
Variant names:
Variant summary
Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong
The NM_005698.4(SCAMP3):c.584A>G(p.Asn195Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000627 in 1,594,926 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000062 ( 0 hom. )
Consequence
SCAMP3
NM_005698.4 missense
NM_005698.4 missense
Scores
18
Clinical Significance
Conservation
PhyloP100: 0.169
Publications
0 publications found
Genes affected
SCAMP3 (HGNC:10565): (secretory carrier membrane protein 3) This gene encodes an integral membrane protein that belongs to the secretory carrier membrane protein family. The encoded protein functions as a carrier to the cell surface in post-golgi recycling pathways. This protein is also involved in protein trafficking in endosomal pathways. Two transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, May 2011]
Genome browser will be placed here
ACMG classification
Classification was made for transcript
Our verdict: Likely_benign. The variant received -2 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.041456014).
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes 0.00000658 AC: 1AN: 152088Hom.: 0 Cov.: 32 show subpopulations
GnomAD3 genomes
AF:
AC:
1
AN:
152088
Hom.:
Cov.:
32
Gnomad AFR
AF:
Gnomad AMI
AF:
Gnomad AMR
AF:
Gnomad ASJ
AF:
Gnomad EAS
AF:
Gnomad SAS
AF:
Gnomad FIN
AF:
Gnomad MID
AF:
Gnomad NFE
AF:
Gnomad OTH
AF:
GnomAD2 exomes AF: 0.00000927 AC: 2AN: 215784 AF XY: 0.0000172 show subpopulations
GnomAD2 exomes
AF:
AC:
2
AN:
215784
AF XY:
Gnomad AFR exome
AF:
Gnomad AMR exome
AF:
Gnomad ASJ exome
AF:
Gnomad EAS exome
AF:
Gnomad FIN exome
AF:
Gnomad NFE exome
AF:
Gnomad OTH exome
AF:
GnomAD4 exome AF: 0.00000624 AC: 9AN: 1442838Hom.: 0 Cov.: 32 AF XY: 0.00000698 AC XY: 5AN XY: 715928 show subpopulations
GnomAD4 exome
AF:
AC:
9
AN:
1442838
Hom.:
Cov.:
32
AF XY:
AC XY:
5
AN XY:
715928
show subpopulations
African (AFR)
AF:
AC:
0
AN:
33134
American (AMR)
AF:
AC:
0
AN:
41996
Ashkenazi Jewish (ASJ)
AF:
AC:
0
AN:
25730
East Asian (EAS)
AF:
AC:
0
AN:
39120
South Asian (SAS)
AF:
AC:
0
AN:
83786
European-Finnish (FIN)
AF:
AC:
0
AN:
52212
Middle Eastern (MID)
AF:
AC:
0
AN:
5692
European-Non Finnish (NFE)
AF:
AC:
9
AN:
1101498
Other (OTH)
AF:
AC:
0
AN:
59670
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.481
Heterozygous variant carriers
0
1
2
3
4
5
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome 0.00000658 AC: 1AN: 152088Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74312 show subpopulations ⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.
GnomAD4 genome
AF:
AC:
1
AN:
152088
Hom.:
Cov.:
32
AF XY:
AC XY:
1
AN XY:
74312
show subpopulations
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
AC:
0
AN:
41404
American (AMR)
AF:
AC:
0
AN:
15268
Ashkenazi Jewish (ASJ)
AF:
AC:
0
AN:
3464
East Asian (EAS)
AF:
AC:
0
AN:
5196
South Asian (SAS)
AF:
AC:
0
AN:
4822
European-Finnish (FIN)
AF:
AC:
0
AN:
10606
Middle Eastern (MID)
AF:
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
AC:
1
AN:
68014
Other (OTH)
AF:
AC:
0
AN:
2086
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.375
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
Hom.:
Bravo
AF:
ESP6500AA
AF:
AC:
0
ESP6500EA
AF:
AC:
1
ExAC
AF:
AC:
1
ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not specified Uncertain:1
Mar 26, 2025
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing
The c.584A>G (p.N195S) alteration is located in exon 6 (coding exon 6) of the SCAMP3 gene. This alteration results from a A to G substitution at nucleotide position 584, causing the asparagine (N) at amino acid position 195 to be replaced by a serine (S). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
DANN
Benign
DEOGEN2
Benign
T;.
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Benign
N
M_CAP
Benign
T
MetaRNN
Benign
T;T
MetaSVM
Benign
T
MutationAssessor
Benign
N;.
PhyloP100
PrimateAI
Benign
T
PROVEAN
Benign
N;N
REVEL
Benign
Sift
Benign
T;T
Sift4G
Benign
T;T
Polyphen
B;B
Vest4
MVP
MPC
ClinPred
T
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at
Publications
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