chr5-95898272-T-C

Position:

• chr5-95898272-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_012081.6(ELL2):​c.1493A>G​(p.Lys498Arg) variant causes a missense change. The variant allele was found at a frequency of 0.00000412 in 1,455,992 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000041 (0 hom.)
• Consequence: ELL2 NM_012081.6 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 3.58

Genes affected

ELL2 (HGNC:17064): (elongation factor for RNA polymerase II 2) Involved in snRNA transcription by RNA polymerase II. Located in nucleoplasm. Part of transcription elongation factor complex. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.14168563).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ELL2	NM_012081.6	c.1493A>G	p.Lys498Arg	missense_variant	8/12	ENST00000237853.9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ELL2	ENST00000237853.9	c.1493A>G	p.Lys498Arg	missense_variant	8/12	1	NM_012081.6	P1
ELL2	ENST00000508757.1	c.47A>G	p.Lys16Arg	missense_variant	1/3	4

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.00000412 AC: 6 AN: 1455992 Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1 AN XY: 724098

Gnomad4 AFR exome AF: 0.00

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: 0.00000540

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

Bravo AF: 0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

May 14, 2024

The c.1493A>G (p.K498R) alteration is located in exon 8 (coding exon 8) of the ELL2 gene. This alteration results from a A to G substitution at nucleotide position 1493, causing the lysine (K) at amino acid position 498 to be replaced by an arginine (R). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.075
BayesDel_addAF	Benign	-0.21	T
BayesDel_noAF	Benign	-0.54
CADD	Benign	19
DANN	Uncertain	1.0
DEOGEN2	Benign	0.010	T
Eigen	Benign	0.11
Eigen_PC	Uncertain	0.26
FATHMM_MKL	Uncertain	0.97	D
LIST_S2	Benign	0.78	T
M_CAP	Benign	0.0066	T
MetaRNN	Benign	0.14	T
MetaSVM	Benign	-0.99	T
MutationAssessor	Benign	0.55	N
MutationTaster	Benign	0.94	D;D
PrimateAI	Benign	0.45	T
PROVEAN	Benign	-1.3	N
REVEL	Benign	0.042
Sift	Benign	0.25	T
Sift4G	Benign	0.31	T
Polyphen		0.63	P
Vest4		0.16
MVP		0.38
MPC		0.68
ClinPred		0.44	T
GERP RS		5.7
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.6
Varity_R		0.076
gMVP		0.14

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

Publications

LitVar

Other links and lift over

dbSNP: rs1748953090; hg19: chr5-95233976;