rs4900072

chr14-91170188-C-Achr14-91170188-C-Gchr14-91170188-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The ENST00000522322.5(DGLUCY):c.441+2C>A variant causes a splice donor change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,613,316 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 1/1 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: 𝑓 0.000013 (0 hom., cov: 33)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: DGLUCY ENST00000522322.5 splice_donor
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.539

Genes affected

DGLUCY (HGNC:20498): (D-glutamate cyclase) Predicted to enable D-glutamate cyclase activity. Predicted to be involved in glutamate metabolic process. Predicted to be located in mitochondrial matrix. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Likely_benign. Variant got -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_addAF=-0.495572).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
DGLUCY	NM_001102368.3	c.443C>A	p.Ala148Glu	missense_variant	5/14	ENST00000256324.15

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
DGLUCY	ENST00000256324.15	c.443C>A	p.Ala148Glu	missense_variant	5/14	1	NM_001102368.3	P3

Frequencies

GnomAD3 genomes AF: 0.0000131 AC: 2 AN: 152112 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.0000483

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

GnomAD3 exomes AF: 0.00000401 AC: 1 AN: 249580 Hom.: 0 AF XY: 0.00000741 AC XY: 1 AN XY: 135014

Gnomad AFR exome AF: 0.0000619

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad SAS 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: 1461086 Hom.: 0 Cov.: 38 AF XY: 0.00 AC XY: 0 AN XY: 726826

Gnomad4 AFR exome AF: 0.0000299

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome AF: 0.0000131 AC: 2 AN: 152230 Hom.: 0 Cov.: 33 AF XY: 0.0000269 AC XY: 2 AN XY: 74420

Gnomad4 AFR AF: 0.0000481

Gnomad4 AMR AF: 0.00

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.00

Gnomad4 OTH AF: 0.00

ExAC AF: 0.00000824 AC: 1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Benign	-0.50	T
BayesDel_noAF	Benign	-0.49
Cadd	Benign	5.7
Dann	Benign	0.42
Eigen	Benign	-0.98
Eigen_PC	Benign	-1.2
FATHMM_MKL	Benign	0.042	N
M_CAP	Benign	0.0096	T
MutationTaster	Benign	1.0	P;P;P;P;P;P;P;P;P;P
ClinPred		0.14	T
GERP RS		-5.0
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Other links and lift over

dbSNP: rs4900072; hg19: chr14-91636532;