chr19-19541204-C-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_153221.2(CILP2):​c.550C>A​(p.Arg184Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000157 in 1,276,660 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

CILP2
NM_153221.2 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.04
Variant links:
Genes affected
CILP2 (HGNC:24213): (cartilage intermediate layer protein 2) 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 -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.0671837).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CILP2NM_153221.2 linkuse as main transcriptc.550C>A p.Arg184Ser missense_variant 4/8 ENST00000291495.5 NP_694953.2 Q8IUL8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CILP2ENST00000291495.5 linkuse as main transcriptc.550C>A p.Arg184Ser missense_variant 4/81 NM_153221.2 ENSP00000291495.3 Q8IUL8
CILP2ENST00000586018.5 linkuse as main transcriptc.568C>A p.Arg190Ser missense_variant 4/82 ENSP00000467413.1 K7EPJ4
CILP2ENST00000588333.2 linkuse as main transcriptn.240C>A non_coding_transcript_exon_variant 2/34

Frequencies

GnomAD3 genomes
AF:
0.0000526
AC:
8
AN:
152146
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000169
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.0000107
AC:
12
AN:
1124514
Hom.:
0
Cov.:
31
AF XY:
0.0000112
AC XY:
6
AN XY:
537028
show subpopulations
Gnomad4 AFR exome
AF:
0.000329
Gnomad4 AMR exome
AF:
0.000149
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000106
Gnomad4 OTH exome
AF:
0.0000221
GnomAD4 genome
AF:
0.0000526
AC:
8
AN:
152146
Hom.:
0
Cov.:
33
AF XY:
0.0000538
AC XY:
4
AN XY:
74304
show subpopulations
Gnomad4 AFR
AF:
0.000169
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000604
ExAC
AF:
0.00000877
AC:
1

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsOct 12, 2024The c.550C>A (p.R184S) alteration is located in exon 4 (coding exon 4) of the CILP2 gene. This alteration results from a C to A substitution at nucleotide position 550, causing the arginine (R) at amino acid position 184 to be replaced by a serine (S). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.19
BayesDel_addAF
Benign
-0.20
T
BayesDel_noAF
Benign
-0.53
CADD
Benign
19
DANN
Uncertain
0.98
DEOGEN2
Benign
0.028
.;T
Eigen
Benign
-0.93
Eigen_PC
Benign
-0.86
FATHMM_MKL
Benign
0.20
N
LIST_S2
Benign
0.099
T;T
M_CAP
Benign
0.027
D
MetaRNN
Benign
0.067
T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.18
.;N
PrimateAI
Uncertain
0.66
T
PROVEAN
Benign
-1.4
.;N
REVEL
Benign
0.035
Sift
Benign
0.79
.;T
Sift4G
Benign
0.51
T;T
Polyphen
0.050
.;B
Vest4
0.17
MutPred
0.39
.;Gain of glycosylation at R184 (P = 0.0049);
MVP
0.43
MPC
0.46
ClinPred
0.066
T
GERP RS
3.0
Varity_R
0.10
gMVP
0.51

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs756631168; hg19: chr19-19652013; COSMIC: COSV52272448; COSMIC: COSV52272448; API