15-82130472-C-A

Variant names:

• chr15-82130472-C-A
• rs1431937891
• NM_024580.6:c.3264G>T

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2 BP4_Moderate BP6_Moderate BP7

The NM_024580.6(EFL1):​c.3264G>T​(p.Arg1088Arg) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,882 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: EFL1 NM_024580.6 synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 0.117
• Publications: 0 publications found

Genes affected

EFL1 (HGNC:25789): (elongation factor like GTPase 1) Enables GTPase activity and ribosome binding activity. Involved in GTP metabolic process and mature ribosome assembly. Predicted to be part of ribonucleoprotein complex. Implicated in Shwachman-Diamond syndrome. [provided by Alliance of Genome Resources, Apr 2022]

EFL1 Gene-Disease associations (from GenCC):

• Shwachman-Diamond syndrome 2

  Inheritance: AR Classification: MODERATE Submitted by: Ambry Genetics
• Shwachman-Diamond syndrome

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Likely_benign. The variant received -3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.4).
• BP6: Variant 15-82130472-C-A is Benign according to our data. Variant chr15-82130472-C-A is described in ClinVar as Likely_benign. ClinVar VariationId is 1995139.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=0.117 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024580.6. 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
	EFL1	NM_024580.6	MANE Select	c.3264G>T	p.Arg1088Arg	synonymous	Exon 20 of 20	NP_078856.4
	EFL1	NM_001322845.2		c.3264G>T	p.Arg1088Arg	synonymous	Exon 20 of 20	NP_001309774.1	Q7Z2Z2-1
	EFL1	NM_001040610.3		c.3111G>T	p.Arg1037Arg	synonymous	Exon 18 of 18	NP_001035700.1	Q7Z2Z2-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	EFL1	ENST00000268206.12	TSL:1 MANE Select	c.3264G>T	p.Arg1088Arg	synonymous	Exon 20 of 20	ENSP00000268206.7	Q7Z2Z2-1
	EFL1	ENST00000359445.8	TSL:1	c.3111G>T	p.Arg1037Arg	synonymous	Exon 18 of 18	ENSP00000352418.3	Q7Z2Z2-2
	EFL1	ENST00000956176.1		c.3360G>T	p.Arg1120Arg	synonymous	Exon 21 of 21	ENSP00000626235.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.00000401 AC: 1 AN: 249352 AF XY: 0.00000739

Gnomad AFR exome AF: 0.00

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: 0.00000884

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461882 Hom.: 0 Cov.: 30 AF XY: 0.00000138 AC XY: 1 AN XY: 727242

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

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: 39698

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: 1112002

Other (OTH) AF: 0.00 AC: 0 AN: 60396

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 33

ClinVar

ClinVar submissions

Significance: Likely benign

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	-	1	not provided (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.40
CADD	Benign	7.0
DANN	Benign	0.65
PhyloP100		0.12

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: rs1431937891; hg19: chr15-82422813;