rs144851896

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_001734.5(C1S):​c.1284C>G​(p.Pro428Pro) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000681 in 1,614,044 control chromosomes in the GnomAD database, including 16 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Synonymous variant affecting the same amino acid position (i.e. P428P) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00070 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00068 ( 16 hom. )

Consequence

C1S
NM_001734.5 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: -0.215

Publications

1 publications found
Variant links:
Genes affected
C1S (HGNC:1247): (complement C1s) This gene encodes a serine protease, which is a major constituent of the human complement subcomponent C1. C1s associates with two other complement components C1r and C1q in order to yield the first component of the serum complement system. Defects in this gene are the cause of selective C1s deficiency. [provided by RefSeq, Mar 2009]
C1S Gene-Disease associations (from GenCC):
  • Ehlers-Danlos syndrome, periodontal type 2
    Inheritance: AD Classification: STRONG, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics, Genomics England PanelApp
  • complement component C1s deficiency
    Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics
  • Ehlers-Danlos syndrome, periodontal type 1
    Inheritance: AD Classification: MODERATE Submitted by: PanelApp Australia
  • Ehlers-Danlos syndrome, periodontitis type
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.75).
BP6
Variant 12-7069868-C-G is Benign according to our data. Variant chr12-7069868-C-G is described in ClinVar as Likely_benign. ClinVar VariationId is 402441.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-0.215 with no splicing effect.
BS1
Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.000696 (106/152308) while in subpopulation AMR AF = 0.00098 (15/15300). AF 95% confidence interval is 0.000604. There are 0 homozygotes in GnomAd4. There are 44 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.
BS2
High Homozygotes in GnomAdExome4 at 16 AD,AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
C1SNM_001734.5 linkc.1284C>G p.Pro428Pro synonymous_variant Exon 12 of 12 ENST00000360817.10 NP_001725.1
C1SNM_201442.4 linkc.1284C>G p.Pro428Pro synonymous_variant Exon 12 of 12 NP_958850.1
C1SNM_001346850.2 linkc.783C>G p.Pro261Pro synonymous_variant Exon 11 of 11 NP_001333779.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
C1SENST00000360817.10 linkc.1284C>G p.Pro428Pro synonymous_variant Exon 12 of 12 1 NM_001734.5 ENSP00000354057.5

Frequencies

GnomAD3 genomes
AF:
0.000696
AC:
106
AN:
152190
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000796
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000982
Gnomad ASJ
AF:
0.00288
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000414
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.0222
Gnomad NFE
AF:
0.000500
Gnomad OTH
AF:
0.00239
GnomAD2 exomes
AF:
0.000852
AC:
214
AN:
251106
AF XY:
0.000884
show subpopulations
Gnomad AFR exome
AF:
0.00142
Gnomad AMR exome
AF:
0.000665
Gnomad ASJ exome
AF:
0.00367
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000185
Gnomad NFE exome
AF:
0.000776
Gnomad OTH exome
AF:
0.00196
GnomAD4 exome
AF:
0.000679
AC:
993
AN:
1461736
Hom.:
16
Cov.:
32
AF XY:
0.000696
AC XY:
506
AN XY:
727198
show subpopulations
African (AFR)
AF:
0.00206
AC:
69
AN:
33476
American (AMR)
AF:
0.000827
AC:
37
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00367
AC:
96
AN:
26130
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.000707
AC:
61
AN:
86254
European-Finnish (FIN)
AF:
0.000150
AC:
8
AN:
53418
Middle Eastern (MID)
AF:
0.0381
AC:
220
AN:
5768
European-Non Finnish (NFE)
AF:
0.000370
AC:
411
AN:
1111870
Other (OTH)
AF:
0.00151
AC:
91
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.461
Heterozygous variant carriers
0
55
111
166
222
277
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
20
40
60
80
100
<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:
0.000696
AC:
106
AN:
152308
Hom.:
0
Cov.:
32
AF XY:
0.000591
AC XY:
44
AN XY:
74458
show subpopulations
African (AFR)
AF:
0.000794
AC:
33
AN:
41580
American (AMR)
AF:
0.000980
AC:
15
AN:
15300
Ashkenazi Jewish (ASJ)
AF:
0.00288
AC:
10
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5180
South Asian (SAS)
AF:
0.000414
AC:
2
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10610
Middle Eastern (MID)
AF:
0.0238
AC:
7
AN:
294
European-Non Finnish (NFE)
AF:
0.000500
AC:
34
AN:
68020
Other (OTH)
AF:
0.00237
AC:
5
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.490
Heterozygous variant carriers
0
5
11
16
22
27
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:
0.00123
Hom.:
1
Bravo
AF:
0.000975
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.00109
EpiControl
AF:
0.00184

ClinVar

Significance: Likely benign
Submissions summary: Benign:7
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:5
Feb 03, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

-
Breakthrough Genomics, Breakthrough Genomics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

-
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Mar 01, 2025
CeGaT Center for Human Genetics Tuebingen
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

C1S: BP4, BP7 -

not specified Benign:2
Dec 23, 2024
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Mar 28, 2016
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Variant identified in a genome or exome case(s) and assessed due to predicted null impact of the variant or pathogenic assertions in the literature or databases. Disclaimer: This variant has not undergone full assessment. The following are preliminary notes: Silent variant. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.75
CADD
Benign
9.5
DANN
Benign
0.68
PhyloP100
-0.21
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Mutation Taster
=100/0
polymorphism

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: rs144851896; hg19: chr12-7177172; COSMIC: COSV61070263; COSMIC: COSV61070263; API