2-164685954-C-T

Variant names:

• chr2-164685954-C-T
• rs73968220
• NM_001365672.2:c.3379G>A

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_001365672.2(COBLL1):​c.3379G>A​(p.Gly1127Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000075 in 1,600,778 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.000020 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000062 (0 hom.)
• Consequence: COBLL1 NM_001365672.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: -0.195
• Publications: 2 publications found

Genes affected

COBLL1 (HGNC:23571): (cordon-bleu WH2 repeat protein like 1) Enables cadherin binding activity. Located in extracellular exosome. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.030799448).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001365672.2. 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
	COBLL1	NM_001365672.2	MANE Select	c.3379G>A	p.Gly1127Ser	missense	Exon 14 of 14	NP_001352601.1	Q53SF7-4
	COBLL1	NM_001278458.2		c.3694G>A	p.Gly1232Ser	missense	Exon 17 of 17	NP_001265387.1	A0A0D9SG04
	COBLL1	NM_001278460.2		c.3517G>A	p.Gly1173Ser	missense	Exon 14 of 14	NP_001265389.1	A0A0X1KG75

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	COBLL1	ENST00000652658.2	MANE Select	c.3379G>A	p.Gly1127Ser	missense	Exon 14 of 14	ENSP00000498242.1	Q53SF7-4
	COBLL1	ENST00000409184.8	TSL:1	c.3517G>A	p.Gly1173Ser	missense	Exon 14 of 14	ENSP00000387326.5	A0A0X1KG75
	COBLL1	ENST00000342193.8	TSL:1	c.3493G>A	p.Gly1165Ser	missense	Exon 14 of 14	ENSP00000341360.4	Q53SF7-3

Frequencies

GnomAD3 genomes AF: 0.0000197 AC: 3 AN: 152008 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000483

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.000194

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.0000121 AC: 3 AN: 248164 AF XY: 0.00000744

Gnomad AFR exome AF: 0.0000626

Gnomad AMR exome AF: 0.0000296

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000621 AC: 9 AN: 1448770 Hom.: 0 Cov.: 27 AF XY: 0.00000693 AC XY: 5 AN XY: 721654

African (AFR) AF: 0.00 AC: 0 AN: 33036

American (AMR) AF: 0.0000227 AC: 1 AN: 44140

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25986

East Asian (EAS) AF: 0.0000508 AC: 2 AN: 39336

South Asian (SAS) AF: 0.0000117 AC: 1 AN: 85750

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53294

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5742

European-Non Finnish (NFE) AF: 0.00000454 AC: 5 AN: 1101584

Other (OTH) AF: 0.00 AC: 0 AN: 59902

GnomAD4 genome AF: 0.0000197 AC: 3 AN: 152008 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74238

African (AFR) AF: 0.0000483 AC: 2 AN: 41390

American (AMR) AF: 0.00 AC: 0 AN: 15242

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3464

East Asian (EAS) AF: 0.000194 AC: 1 AN: 5164

South Asian (SAS) AF: 0.00 AC: 0 AN: 4824

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10600

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68008

Other (OTH) AF: 0.00 AC: 0 AN: 2088

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000302

ExAC AF: 0.0000165 AC: 2

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	0.067
BayesDel_addAF	Benign	-0.46	T
BayesDel_noAF	Benign	-0.71
CADD	Benign	0.58
DANN	Benign	0.53
DEOGEN2	Benign	0.00047	T
Eigen	Benign	-1.2
Eigen_PC	Benign	-1.2
FATHMM_MKL	Benign	0.013	N
LIST_S2	Benign	0.40	T
M_CAP	Benign	0.0063	T
MetaRNN	Benign	0.031	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	-0.26	N
PhyloP100		-0.20
PrimateAI	Benign	0.25	T
PROVEAN	Benign	-0.040	N
REVEL	Benign	0.040
Sift	Benign	0.21	T
Sift4G	Benign	0.85	T
Polyphen		0.29	B
Vest4		0.040
MutPred		0.071		Gain of phosphorylation at G1203 (P = 0.0197)
MVP		0.16
MPC		0.058
ClinPred		0.030	T
GERP RS		-1.8
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1
Varity_R		0.044
gMVP		0.20
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

Other links and lift over

dbSNP: rs73968220; hg19: chr2-165542464; COSMIC: COSV105852761; COSMIC: COSV105852761;