12-7090203-C-A

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_001733.7(C1R):​c.277G>T​(p.Gly93Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000306 in 747,556 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 9/15 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.00029 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00031 ( 0 hom. )

Consequence

C1R
NM_001733.7 missense

Scores

7
10

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:4

Conservation

PhyloP100: 2.73
Variant links:
Genes affected
C1R (HGNC:1246): (complement C1r) This gene encodes a member of the peptidase S1 protein family. The encoded protein is a proteolytic subunit in the complement system C1 complex. The complement system acts as a mediator in the innate immune response by ultimately triggering phagocytosis, inflammation, and rupturing the bacterial cell wall. Mutations in this gene are associated with Ehlers-Danlos Syndrome. [provided by RefSeq, Dec 2018]
C1RL (HGNC:21265): (complement C1r subcomponent like) Predicted to enable serine-type endopeptidase activity. Predicted to be involved in zymogen activation. Located in extracellular exosome. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.15671736).
BS2
High AC in GnomAd4 at 44 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
C1RNM_001733.7 linkuse as main transcriptc.277G>T p.Gly93Cys missense_variant 3/11 ENST00000647956.2
C1RNM_001354346.2 linkuse as main transcriptc.319G>T p.Gly107Cys missense_variant 3/11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
C1RENST00000647956.2 linkuse as main transcriptc.277G>T p.Gly93Cys missense_variant 3/11 NM_001733.7 P1

Frequencies

GnomAD3 genomes
AF:
0.000289
AC:
44
AN:
152148
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000724
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.000588
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000275
AC:
54
AN:
196396
Hom.:
0
AF XY:
0.000323
AC XY:
34
AN XY:
105258
show subpopulations
Gnomad AFR exome
AF:
0.000174
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000106
Gnomad NFE exome
AF:
0.000562
Gnomad OTH exome
AF:
0.000578
GnomAD4 exome
AF:
0.000311
AC:
185
AN:
595408
Hom.:
0
Cov.:
0
AF XY:
0.000307
AC XY:
99
AN XY:
322778
show subpopulations
Gnomad4 AFR exome
AF:
0.000235
Gnomad4 AMR exome
AF:
0.0000260
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000783
Gnomad4 NFE exome
AF:
0.000515
Gnomad4 OTH exome
AF:
0.000157
GnomAD4 genome
AF:
0.000289
AC:
44
AN:
152148
Hom.:
0
Cov.:
32
AF XY:
0.000215
AC XY:
16
AN XY:
74322
show subpopulations
Gnomad4 AFR
AF:
0.0000724
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000588
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000528
Hom.:
0
Bravo
AF:
0.000336
TwinsUK
AF:
0.000809
AC:
3
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000242
AC:
2
ExAC
AF:
0.000166
AC:
20

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Uncertain:3
Uncertain significance, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Uncertain significance, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)May 22, 2018- -
Uncertain significance, criteria provided, single submitterclinical testingClinical Genetics Laboratory, Skane University Hospital LundJun 30, 2023- -
Ehlers-Danlos syndrome, periodontal type 1 Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingFulgent Genetics, Fulgent GeneticsJan 28, 2022- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.28
BayesDel_addAF
Benign
-0.37
T
BayesDel_noAF
Benign
-0.38
CADD
Benign
22
DANN
Uncertain
1.0
DEOGEN2
Benign
0.013
.;.;T;.
Eigen
Uncertain
0.30
Eigen_PC
Uncertain
0.23
FATHMM_MKL
Benign
0.43
N
LIST_S2
Uncertain
0.87
D;.;D;D
MetaRNN
Benign
0.16
T;T;T;T
MetaSVM
Benign
-0.84
T
MutationTaster
Benign
1.0
D;N;N;N
PrimateAI
Benign
0.36
T
PROVEAN
Uncertain
-2.4
.;.;N;D
REVEL
Benign
0.18
Sift
Uncertain
0.0080
.;.;D;D
Sift4G
Uncertain
0.0050
.;.;D;.
Polyphen
1.0
.;.;D;.
Vest4
0.58, 0.59
MVP
0.29
ClinPred
0.13
T
GERP RS
5.3
gMVP
0.50

Splicing

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: rs200185988; hg19: chr12-7242799; API