rs146807462

Variant names:

• chr13-24321454-G-A
• rs146807462
• NM_178540.5:c.688G>A

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_Strong BS2

The NM_178540.5(C1QTNF9):​c.688G>A​(p.Glu230Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000275 in 1,613,176 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 17/22 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: 30)
  • Exomes 𝑓: 0.00027 (2 hom.)
• Consequence: C1QTNF9 NM_178540.5 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.282
• Publications: 7 publications found

Genes affected

C1QTNF9 (HGNC:28732): (C1q and TNF related 9) Enables identical protein binding activity. Predicted to be involved in signal transduction. Predicted to be located in extracellular region. Predicted to be part of collagen trimer. [provided by Alliance of Genome Resources, Apr 2022]

PCOTHP1 (HGNC:39840):

C1QTNF9-AS1 (HGNC:39906): (C1QTNF9 antisense RNA 1)

ACMG classification

Our verdict: Benign. The variant received -8 ACMG points.

• BP4: Computational evidence support a benign effect (MetaRNN=0.026314288).
• BS2: High Homozygotes in GnomAdExome4 at 2 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_178540.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	C1QTNF9	NM_178540.5	MANE Select	c.688G>A	p.Glu230Lys	missense	Exon 4 of 4	NP_848635.2	P0C862
	C1QTNF9	NM_001303137.2		c.688G>A	p.Glu230Lys	missense	Exon 5 of 5	NP_001290066.1	P0C862
	C1QTNF9	NM_001303138.2		c.688G>A	p.Glu230Lys	missense	Exon 4 of 4	NP_001290067.1	P0C862

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	C1QTNF9	ENST00000332018.5	TSL:1 MANE Select	c.688G>A	p.Glu230Lys	missense	Exon 4 of 4	ENSP00000333737.4	P0C862
	C1QTNF9	ENST00000382071.6	TSL:5	c.688G>A	p.Glu230Lys	missense	Exon 4 of 4	ENSP00000371503.2	P0C862
	C1QTNF9	ENST00000875261.1		c.688G>A	p.Glu230Lys	missense	Exon 5 of 5	ENSP00000545320.1

Frequencies

GnomAD3 genomes AF: 0.000291 AC: 44 AN: 151434 Hom.: 0 Cov.: 30

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000132

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00169

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000456

Gnomad OTH AF: 0.00144

GnomAD2 exomes AF: 0.000251 AC: 63 AN: 251176 AF XY: 0.000361

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.0000578

Gnomad ASJ exome AF: 0.0000992

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.000273

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.000273 AC: 399 AN: 1461624 Hom.: 2 Cov.: 90 AF XY: 0.000298 AC XY: 217 AN XY: 727130

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 33470

American (AMR) AF: 0.0000671 AC: 3 AN: 44716

Ashkenazi Jewish (ASJ) AF: 0.0000765 AC: 2 AN: 26132

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00108 AC: 93 AN: 86226

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53420

Middle Eastern (MID) AF: 0.00226 AC: 13 AN: 5760

European-Non Finnish (NFE) AF: 0.000241 AC: 268 AN: 1111822

Other (OTH) AF: 0.000331 AC: 20 AN: 60378

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome AF: 0.000290 AC: 44 AN: 151552 Hom.: 0 Cov.: 30 AF XY: 0.000324 AC XY: 24 AN XY: 73972

African (AFR) AF: 0.00 AC: 0 AN: 41368

American (AMR) AF: 0.000132 AC: 2 AN: 15188

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5158

South Asian (SAS) AF: 0.00169 AC: 8 AN: 4740

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10414

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 294

European-Non Finnish (NFE) AF: 0.000457 AC: 31 AN: 67904

Other (OTH) AF: 0.00142 AC: 3 AN: 2106

Alfa AF: 0.000323 Hom.: 0

ESP6500AA AF: 0.00 AC: 0

ESP6500EA AF: 0.000349 AC: 3

ExAC AF: 0.000296 AC: 36

EpiCase AF: 0.000763

EpiControl AF: 0.000474

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.13
BayesDel_addAF	Benign	-0.29	T
BayesDel_noAF	Benign	-0.27
CADD	Benign	19
DANN	Benign	0.95
DEOGEN2	Benign	0.19	T
Eigen	Benign	-0.60
Eigen_PC	Benign	-0.64
FATHMM_MKL	Benign	0.095	N
LIST_S2	Benign	0.31	T
M_CAP	Benign	0.022	T
MetaRNN	Benign	0.026	T
MetaSVM	Uncertain	-0.036	T
MutationAssessor	Benign	1.1	L
PhyloP100		0.28
PrimateAI	Benign	0.43	T
PROVEAN	Benign	-1.7	N
REVEL	Benign	0.25
Sift	Benign	0.25	T
Sift4G	Benign	0.57	T
Polyphen		0.048	B
Vest4		0.12
MVP		0.77
ClinPred		0.019	T
GERP RS		3.1
Varity_R		0.18
gMVP		0.53
Mutation Taster		=95/5	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

Other links and lift over

dbSNP: rs146807462; hg19: chr13-24895592; COSMIC: COSV59656312; COSMIC: COSV59656312;