6-106512513-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2 BP4

The NM_001371242.2(CRYBG1):c.1396A>G(p.Lys466Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,458,684 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 Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 0.0000014 (0 hom.)
• Consequence: CRYBG1 NM_001371242.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 2.58

Genes affected

CRYBG1 (HGNC:356): (crystallin beta-gamma domain containing 1) Predicted to enable carbohydrate binding activity. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.28521374).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
CRYBG1	NM_001371242.2	c.1396A>G	p.Lys466Glu	missense_variant	3/22	ENST00000633556.3
CRYBG1	NM_001624.4	c.172A>G	p.Lys58Glu	missense_variant	1/20
CRYBG1	XM_047418270.1	c.1474A>G	p.Lys492Glu	missense_variant	4/23

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
CRYBG1	ENST00000633556.3	c.1396A>G	p.Lys466Glu	missense_variant	3/22	5	NM_001371242.2	P1
CRYBG1	ENST00000651520.1	c.1237A>G	p.Lys413Glu	missense_variant	2/2

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 0.00000137 AC: 2 AN: 1458684 Hom.: 0 Cov.: 37 AF XY: 0.00000138 AC XY: 1 AN XY: 725510

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: 9.00e-7

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 33

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

Jun 06, 2023

The c.172A>G (p.K58E) alteration is located in exon 1 (coding exon 1) of the AIM1 gene. This alteration results from a A to G substitution at nucleotide position 172, causing the lysine (K) at amino acid position 58 to be replaced by a glutamic acid (E). 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	0.18
BayesDel_addAF	Uncertain	0.066	T
BayesDel_noAF	Benign	-0.14
Cadd	Pathogenic	26
Dann	Uncertain	1.0
Eigen	Uncertain	0.30
Eigen_PC	Benign	0.20
FATHMM_MKL	Uncertain	0.77	D
LIST_S2	Benign	0.74	T;T
M_CAP	Uncertain	0.17	D
MetaRNN	Benign	0.29	T;T
MetaSVM	Uncertain	0.10	D
MutationTaster	Benign	0.53	N
PrimateAI	Pathogenic	0.84	D
Sift4G	Benign	0.14	T;T
Polyphen		0.99	.;D
Vest4		0.22
MutPred		0.23		.;Loss of MoRF binding (P = 0.008);
MVP		0.83
MPC		0.38
ClinPred		0.85	D
GERP RS		3.8
Varity_R		0.33
gMVP		0.29

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

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr6-106960388;