2-20204213-G-A

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP6_ModerateBS1BS2

The NM_002997.5(SDC1):​c.227C>T​(p.Thr76Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000975 in 1,599,094 control chromosomes in the GnomAD database, including 19 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★). Another nucleotide change resulting in same amino acid change has been previously reported as Likely benignin UniProt.

Frequency

Genomes: 𝑓 0.0052 ( 9 hom., cov: 30)
Exomes 𝑓: 0.00053 ( 10 hom. )

Consequence

SDC1
NM_002997.5 missense

Scores

4
14

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.177
Variant links:
Genes affected
SDC1 (HGNC:10658): (syndecan 1) The protein encoded by this gene is a transmembrane (type I) heparan sulfate proteoglycan and is a member of the syndecan proteoglycan family. The syndecans mediate cell binding, cell signaling, and cytoskeletal organization and syndecan receptors are required for internalization of the HIV-1 tat protein. The syndecan-1 protein functions as an integral membrane protein and participates in cell proliferation, cell migration and cell-matrix interactions via its receptor for extracellular matrix proteins. Altered syndecan-1 expression has been detected in several different tumor types. While several transcript variants may exist for this gene, the full-length natures of only two have been described to date. These two represent the major variants of this gene and encode the same protein. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP6
Variant 2-20204213-G-A is Benign according to our data. Variant chr2-20204213-G-A is described in ClinVar as [Benign]. Clinvar id is 720907.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00524 (797/152022) while in subpopulation AFR AF= 0.0179 (742/41508). AF 95% confidence interval is 0.0168. There are 9 homozygotes in gnomad4. There are 367 alleles in male gnomad4 subpopulation. Median coverage is 30. This position pass quality control queck.
BS2
High AC in GnomAd4 at 797 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SDC1NM_002997.5 linkuse as main transcriptc.227C>T p.Thr76Met missense_variant 3/5 ENST00000254351.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SDC1ENST00000254351.9 linkuse as main transcriptc.227C>T p.Thr76Met missense_variant 3/51 NM_002997.5 P1

Frequencies

GnomAD3 genomes
AF:
0.00525
AC:
798
AN:
151904
Hom.:
9
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.0179
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00256
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000416
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000589
Gnomad OTH
AF:
0.00526
GnomAD3 exomes
AF:
0.00136
AC:
325
AN:
239354
Hom.:
3
AF XY:
0.000998
AC XY:
130
AN XY:
130268
show subpopulations
Gnomad AFR exome
AF:
0.0180
Gnomad AMR exome
AF:
0.000871
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000711
Gnomad OTH exome
AF:
0.000332
GnomAD4 exome
AF:
0.000527
AC:
762
AN:
1447072
Hom.:
10
Cov.:
38
AF XY:
0.000471
AC XY:
339
AN XY:
720306
show subpopulations
Gnomad4 AFR exome
AF:
0.0193
Gnomad4 AMR exome
AF:
0.000850
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000189
Gnomad4 OTH exome
AF:
0.000846
GnomAD4 genome
AF:
0.00524
AC:
797
AN:
152022
Hom.:
9
Cov.:
30
AF XY:
0.00494
AC XY:
367
AN XY:
74316
show subpopulations
Gnomad4 AFR
AF:
0.0179
Gnomad4 AMR
AF:
0.00249
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000416
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000589
Gnomad4 OTH
AF:
0.00521
Alfa
AF:
0.000619
Hom.:
0
Bravo
AF:
0.00591
ESP6500AA
AF:
0.0157
AC:
69
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.00172
AC:
209
Asia WGS
AF:
0.000866
AC:
3
AN:
3478
EpiCase
AF:
0.000109
EpiControl
AF:
0.0000593

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeJul 13, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.084
BayesDel_addAF
Benign
-0.54
T
BayesDel_noAF
Benign
-0.53
CADD
Benign
14
DANN
Benign
0.79
DEOGEN2
Uncertain
0.59
D;D;.;.
Eigen
Benign
-1.3
Eigen_PC
Benign
-1.4
FATHMM_MKL
Benign
0.049
N
LIST_S2
Benign
0.61
.;T;T;T
MetaRNN
Benign
0.0042
T;T;T;T
MetaSVM
Benign
-0.98
T
MutationAssessor
Uncertain
2.6
M;M;.;.
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.27
T
PROVEAN
Uncertain
-3.6
D;D;D;D
REVEL
Benign
0.084
Sift
Benign
0.087
T;T;T;T
Sift4G
Uncertain
0.017
D;D;D;.
Polyphen
0.0090
B;B;B;.
Vest4
0.14
MVP
0.072
MPC
0.39
ClinPred
0.029
T
GERP RS
-0.46
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.026
gMVP
0.12

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.46
Details are displayed if max score is > 0.2
DS_AG_spliceai
0.46
Position offset: -9

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: rs2230922; hg19: chr2-20403974; COSMIC: COSV99587375; API