4-140392267-C-A

Variant names:

• chr4-140392267-C-A
• rs745319283
• NM_004362.3:c.1603G>T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_004362.3(CLGN):​c.1603G>T​(p.Asp535Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,613,102 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.000013 (0 hom., cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: CLGN NM_004362.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 2.40
• Publications: 1 publications found

Genes affected

CLGN (HGNC:2060): (calmegin) Calmegin is a testis-specific endoplasmic reticulum chaperone protein. CLGN may play a role in spermatogeneisis and infertility. [provided by RefSeq, Jul 2008]

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.250013).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004362.3. 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
	CLGN	NM_004362.3	MANE Select	c.1603G>T	p.Asp535Tyr	missense	Exon 13 of 15	NP_004353.1	A0A140VKG2
	CLGN	NM_001130675.2		c.1603G>T	p.Asp535Tyr	missense	Exon 14 of 16	NP_001124147.1	O14967-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CLGN	ENST00000325617.10	TSL:1 MANE Select	c.1603G>T	p.Asp535Tyr	missense	Exon 13 of 15	ENSP00000326699.5	O14967-1
	CLGN	ENST00000414773.5	TSL:1	c.1603G>T	p.Asp535Tyr	missense	Exon 14 of 16	ENSP00000392782.1	O14967-1
	CLGN	ENST00000897460.1		c.1603G>T	p.Asp535Tyr	missense	Exon 13 of 15	ENSP00000567519.1

Frequencies

GnomAD3 genomes AF: 0.0000132 AC: 2 AN: 151770 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000484

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

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: 0.00

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.00000399 AC: 1 AN: 250916 AF XY: 0.00000737

Gnomad AFR exome AF: 0.0000616

Gnomad AMR exome AF: 0.00

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: 6.84e-7 AC: 1 AN: 1461332 Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0 AN XY: 726966

African (AFR) AF: 0.00 AC: 0 AN: 33388

American (AMR) AF: 0.0000224 AC: 1 AN: 44716

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26122

East Asian (EAS) AF: 0.00 AC: 0 AN: 39650

South Asian (SAS) AF: 0.00 AC: 0 AN: 86214

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53370

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5762

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111736

Other (OTH) AF: 0.00 AC: 0 AN: 60374

GnomAD4 genome AF: 0.0000132 AC: 2 AN: 151770 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74144

African (AFR) AF: 0.0000484 AC: 2 AN: 41308

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

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3466

East Asian (EAS) AF: 0.00 AC: 0 AN: 5196

South Asian (SAS) AF: 0.00 AC: 0 AN: 4830

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10590

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

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67822

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

Alfa AF: 0.0000434 Hom.: 0

Bravo AF: 0.0000227

ExAC AF: 0.00000824 AC: 1

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	0.074
BayesDel_addAF	Benign	-0.14	T
BayesDel_noAF	Benign	-0.25
CADD	Benign	19
DANN	Uncertain	0.98
DEOGEN2	Benign	0.41	T
Eigen	Benign	-0.13
Eigen_PC	Benign	-0.23
FATHMM_MKL	Benign	0.42	N
LIST_S2	Benign	0.79	T
M_CAP	Benign	0.060	D
MetaRNN	Benign	0.25	T
MetaSVM	Benign	-0.86	T
MutationAssessor	Uncertain	2.3	M
PhyloP100		2.4
PrimateAI	Benign	0.35	T
PROVEAN	Uncertain	-4.0	D
REVEL	Benign	0.19
Sift	Uncertain	0.0020	D
Sift4G	Uncertain	0.0050	D
Polyphen		0.80	P
Vest4		0.18
MutPred		0.15		Loss of glycosylation at K532 (P = 0.0252)
MVP		0.57
MPC		0.38
ClinPred		0.93	D
GERP RS		4.9
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1
Varity_R		0.27
gMVP		0.13
Mutation Taster		=67/33	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: rs745319283; hg19: chr4-141313421;