20-18814002-G-T

Variant names:

• chr20-18814002-G-T
• rs1354299772
• NM_178483.3:c.187G>T

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2 PP3_Strong

The NM_178483.3(SCP2D1):​c.187G>T​(p.Val63Phe) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,894 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. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V63L) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: SCP2D1 NM_178483.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 6.20
• Publications: 0 publications found

Genes affected

SCP2D1 (HGNC:16211): (SCP2 sterol binding domain containing 1) Predicted to enable sterol binding activity. Predicted to be involved in phospholipid transport; positive regulation of intracellular cholesterol transport; and steroid biosynthetic process. [provided by Alliance of Genome Resources, Apr 2022]

SCP2D1-AS1 (HGNC:16210): (SCP2D1 antisense RNA 1)

ACMG classification

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.939

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_178483.3. 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
	SCP2D1	NM_178483.3	MANE Select	c.187G>T	p.Val63Phe	missense	Exon 1 of 1	NP_848578.1	Q9UJQ7
	SCP2D1-AS1	NR_161342.1		n.269-3887C>A		intron	N/A
	SCP2D1-AS1	NR_161343.1		n.245-3887C>A		intron	N/A

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SCP2D1	ENST00000377428.4	TSL:6 MANE Select	c.187G>T	p.Val63Phe	missense	Exon 1 of 1	ENSP00000366645.2	Q9UJQ7
	SCP2D1-AS1	ENST00000623418.2	TSL:2	n.273-3887C>A		intron	N/A
	SCP2D1-AS1	ENST00000730019.1		n.274+11264C>A		intron	N/A

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461894 Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0 AN XY: 727248

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: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

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

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: 60396

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Uncertain	0.46
BayesDel_addAF	Uncertain	0.095	D
BayesDel_noAF	Benign	-0.10
CADD	Uncertain	26
DANN	Uncertain	0.99
DEOGEN2	Benign	0.041	T
Eigen	Pathogenic	0.85
Eigen_PC	Pathogenic	0.77
FATHMM_MKL	Pathogenic	0.97	D
LIST_S2	Uncertain	0.87	D
M_CAP	Benign	0.016	T
MetaRNN	Pathogenic	0.94	D
MetaSVM	Benign	-0.48	T
MutationAssessor	Pathogenic	3.4	M
PhyloP100		6.2
PrimateAI	Uncertain	0.53	T
PROVEAN	Uncertain	-4.2	D
REVEL	Uncertain	0.53
Sift	Uncertain	0.0010	D
Sift4G	Uncertain	0.0040	D
Polyphen		1.0	D
Vest4		0.72
MutPred		0.84		Gain of MoRF binding (P = 0.1331)
MVP		0.11
MPC		0.50
ClinPred		0.99	D
GERP RS		5.9
PromoterAI		-0.0053	Neutral
Varity_R		0.93
gMVP		0.67
Mutation Taster		=84/16	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.040		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: rs1354299772; hg19: chr20-18794646;