rs118203952

Variant names:

• chr1-11285670-G-A
• rs118203952
• NM_013319.3:c.556G>A

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 7P and 0B. PM2 PP3_Strong PP5

The NM_013319.3(UBIAD1):​c.556G>A​(p.Gly186Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 14/22 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars).

• Frequency: Genomes: not found (cov: 32)
• Consequence: UBIAD1 NM_013319.3 missense
• Clinical Significance: Pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 9.56
• Publications: 14 publications found

Genes affected

UBIAD1 (HGNC:30791): (UbiA prenyltransferase domain containing 1) This gene encodes a protein thought to be involved in cholesterol and phospholipid metabolism. Mutations in this gene are associated with Schnyder crystalline corneal dystrophy. [provided by RefSeq, Oct 2008]

UBIAD1 Gene-Disease associations (from GenCC):

• Schnyder corneal dystrophy

  Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae), Orphanet

ACMG classification

Our verdict: Likely_pathogenic. The variant received 7 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.986
• PP5: Variant 1-11285670-G-A is Pathogenic according to our data. Variant chr1-11285670-G-A is described in ClinVar as Pathogenic. ClinVar VariationId is 863.Status of the report is no_assertion_criteria_provided, 0 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_013319.3. 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
	UBIAD1	NM_013319.3	MANE Select	c.556G>A	p.Gly186Arg	missense	Exon 2 of 2	NP_037451.1	Q9Y5Z9-1
	UBIAD1	NM_001330349.2		c.556G>A	p.Gly186Arg	missense	Exon 2 of 3	NP_001317278.1
	UBIAD1	NM_001330350.2		c.530-9203G>A		intron	N/A	NP_001317279.1	Q9Y5Z9-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	UBIAD1	ENST00000376810.6	TSL:1 MANE Select	c.556G>A	p.Gly186Arg	missense	Exon 2 of 2	ENSP00000366006.5	Q9Y5Z9-1
	UBIAD1	ENST00000483738.1	TSL:3	c.154G>A	p.Gly52Arg	missense	Exon 2 of 3	ENSP00000473453.1	R4GN21
	UBIAD1	ENST00000376804.2	TSL:2	c.530-9203G>A		intron	N/A	ENSP00000366000.1	Q9Y5Z9-2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 0

ClinVar

ClinVar submissions

Significance: Pathogenic

Revision: no assertion criteria provided

Pathogenic	VUS	Benign	Condition
1	-	-	Schnyder crystalline corneal dystrophy (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	1.0
BayesDel_addAF	Pathogenic	0.51	D
BayesDel_noAF	Pathogenic	0.50
CADD	Pathogenic	32
DANN	Pathogenic	1.0
DEOGEN2	Pathogenic	0.95	D
Eigen	Pathogenic	0.97
Eigen_PC	Pathogenic	0.92
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Pathogenic	0.98	D
M_CAP	Pathogenic	0.72	D
MetaRNN	Pathogenic	0.99	D
MetaSVM	Pathogenic	1.0	D
MutationAssessor	Pathogenic	3.5	H
PhyloP100		9.6
PrimateAI	Pathogenic	0.87	D
PROVEAN	Pathogenic	-7.4	D
REVEL	Pathogenic	0.94
Sift	Benign	0.051	T
Sift4G	Benign	0.072	T
Polyphen		1.0	D
Vest4		0.99
MutPred		0.92		Loss of ubiquitination at K181 (P = 0.1202)
MVP		0.99
MPC		1.6
ClinPred		0.99	D
GERP RS		5.5
Varity_R		0.97
gMVP		0.99
Mutation Taster		=5/95	disease causing (ClinVar)

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: rs118203952; hg19: chr1-11345727;