1-1665912-C-G

Variant names:

• chr1-1665912-C-G
• rs796387531
• NM_001290264.2:c.1088G>C

Variant summary

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

The NM_001290264.2(SLC35E2B):​c.1088G>C​(p.Gly363Ala) variant causes a missense change. The variant allele was found at a frequency of 0.000000715 in 1,399,034 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. G363E) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 7.1e-7 (0 hom.)
• Consequence: SLC35E2B NM_001290264.2 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 6.00
• Publications: 0 publications found

Genes affected

SLC35E2B (HGNC:33941): (solute carrier family 35 member E2B) Predicted to enable antiporter activity. Predicted to be involved in transmembrane transport. Predicted to act upstream of or within blastocyst hatching. Predicted to be integral component of membrane. Predicted to be active in Golgi apparatus. [provided by Alliance of Genome Resources, Apr 2022]

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, 0.972

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001290264.2. 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
	SLC35E2B	NM_001290264.2	MANE Select	c.1088G>C	p.Gly363Ala	missense	Exon 10 of 10	NP_001277193.1	P0CK96
	SLC35E2B	NM_001110781.3		c.1088G>C	p.Gly363Ala	missense	Exon 9 of 9	NP_001104251.1	P0CK96

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC35E2B	ENST00000617444.5	TSL:1 MANE Select	c.1088G>C	p.Gly363Ala	missense	Exon 10 of 10	ENSP00000481694.1	P0CK96
	SLC35E2B	ENST00000614300.4	TSL:1	c.732+2415G>C		intron	N/A	ENSP00000478733.1	A0A087WUK8
	SLC35E2B	ENST00000911900.1		c.1253G>C	p.Gly418Ala	missense	Exon 9 of 9	ENSP00000581959.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 7.15e-7 AC: 1 AN: 1399034 Hom.: 0 Cov.: 31 AF XY: 0.00000145 AC XY: 1 AN XY: 690042

African (AFR) AF: 0.00 AC: 0 AN: 31598

American (AMR) AF: 0.00 AC: 0 AN: 35702

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25178

East Asian (EAS) AF: 0.00 AC: 0 AN: 35738

South Asian (SAS) AF: 0.00 AC: 0 AN: 79232

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 48934

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5698

European-Non Finnish (NFE) AF: 9.27e-7 AC: 1 AN: 1078956

Other (OTH) AF: 0.00 AC: 0 AN: 57998

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.90
BayesDel_addAF	Pathogenic	0.45	D
BayesDel_noAF	Pathogenic	0.41
CADD	Uncertain	24
DANN	Uncertain	1.0
DEOGEN2	Benign	0.29	T
Eigen	Uncertain	0.65
Eigen_PC	Uncertain	0.50
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Uncertain	0.93	D
M_CAP	Uncertain	0.19	D
MetaRNN	Pathogenic	0.97	D
MetaSVM	Pathogenic	0.81	D
PhyloP100		6.0
PrimateAI	Uncertain	0.55	T
Sift4G	Pathogenic	0.0	D
Polyphen		1.0	D
Vest4		0.66
MutPred		0.91		Loss of sheet (P = 0.1158)
MVP		0.20
ClinPred		0.99	D
GERP RS		5.7
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Varity_R		0.83
gMVP		0.90
Mutation Taster		=30/70	disease causing

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.020		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: rs796387531; hg19: chr1-1597351;