12-108292358-G-T

Variant names:

• chr12-108292358-G-T
• rs374433270
• NM_001142343.2:c.605C>A

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001142343.2(CMKLR1):​c.605C>A​(p.Ser202*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,866 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: CMKLR1 NM_001142343.2 stop_gained
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.0120
• Publications: 0 publications found

Genes affected

CMKLR1 (HGNC:2121): (chemerin chemokine-like receptor 1) Enables adipokinetic hormone binding activity and adipokinetic hormone receptor activity. Involved in several processes, including negative regulation of NF-kappaB transcription factor activity; positive regulation of macrophage chemotaxis; and regulation of calcium-mediated signaling. Located in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001142343.2. 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
	CMKLR1	NM_001142343.2	MANE Select	c.605C>A	p.Ser202*	stop_gained	Exon 4 of 4	NP_001135815.1	Q99788-1
	CMKLR1	NM_001142344.2		c.605C>A	p.Ser202*	stop_gained	Exon 3 of 3	NP_001135816.1	Q99788-1
	CMKLR1	NM_001142345.2		c.605C>A	p.Ser202*	stop_gained	Exon 3 of 3	NP_001135817.1	Q99788-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CMKLR1	ENST00000550402.6	TSL:1 MANE Select	c.605C>A	p.Ser202*	stop_gained	Exon 4 of 4	ENSP00000449716.1	Q99788-1
	CMKLR1	ENST00000552995.5	TSL:1	c.599C>A	p.Ser200*	stop_gained	Exon 3 of 3	ENSP00000447579.1	Q99788-2
	CMKLR1	ENST00000312143.11	TSL:2	c.605C>A	p.Ser202*	stop_gained	Exon 3 of 3	ENSP00000311733.7	Q99788-1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461866 Hom.: 0 Cov.: 34 AF XY: 0.00 AC XY: 0 AN XY: 727232

⚠️ 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: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39698

South Asian (SAS) AF: 0.00 AC: 0 AN: 86256

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53398

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 8.99e-7 AC: 1 AN: 1112012

Other (OTH) AF: 0.00 AC: 0 AN: 60394

⚠️ 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 Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.23	D
BayesDel_noAF	Uncertain	0.10
CADD	Uncertain	25
DANN	Benign	0.94
Eigen	Benign	-0.17
Eigen_PC	Benign	-0.50
FATHMM_MKL	Benign	0.12	N
PhyloP100		-0.012
Vest4		0.52
GERP RS		1.6
Mutation Taster		=37/163	disease causing

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: rs374433270; hg19: chr12-108686135;