NM_001012264.4:c.7C>T

Variant names:

• chr14-21034282-G-A
• rs575423771
• NM_001012264.4:c.7C>T

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_001012264.4(RNASE13):​c.7C>T​(p.Pro3Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000124 in 1,608,916 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 6.9e-7 (0 hom.)
• Consequence: RNASE13 NM_001012264.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: -0.398
• Publications: 0 publications found

Genes affected

RNASE13 (HGNC:25285): (ribonuclease A family member 13 (inactive)) Predicted to enable nucleic acid binding activity. Predicted to be located in extracellular region. [provided by Alliance of Genome Resources, Apr 2022]

NDRG2 (HGNC:14460): (NDRG family member 2) This gene is a member of the N-myc downregulated gene family which belongs to the alpha/beta hydrolase superfamily. The protein encoded by this gene is a cytoplasmic protein that may play a role in neurite outgrowth. This gene may be involved in glioblastoma carcinogenesis. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2017]

TPPP2 (HGNC:19293): (tubulin polymerization promoting protein family member 2) Enables tubulin binding activity. Involved in regulation of flagellated sperm motility. Located in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.05102867).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001012264.4. 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
	RNASE13	NM_001012264.4	MANE Select	c.7C>T	p.Pro3Ser	missense	Exon 2 of 2	NP_001012264.1	Q5GAN3
	NDRG2	NM_001282211.2		c.25-10961C>T		intron	N/A	NP_001269140.1	Q9UN36-6

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RNASE13	ENST00000382951.4	TSL:1 MANE Select	c.7C>T	p.Pro3Ser	missense	Exon 2 of 2	ENSP00000372410.3	Q5GAN3
	NDRG2	ENST00000876704.1		c.-6-10961C>T		intron	N/A	ENSP00000546763.1
	NDRG2	ENST00000876707.1		c.-6-10961C>T		intron	N/A	ENSP00000546766.1

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152154 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

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: 0.00318

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 6.86e-7 AC: 1 AN: 1456762 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 724232

⚠️ 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: 33292

American (AMR) AF: 0.00 AC: 0 AN: 44470

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25740

East Asian (EAS) AF: 0.00 AC: 0 AN: 39656

South Asian (SAS) AF: 0.00 AC: 0 AN: 85424

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53166

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5680

European-Non Finnish (NFE) AF: 9.02e-7 AC: 1 AN: 1109170

Other (OTH) AF: 0.00 AC: 0 AN: 60164

⚠️ 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 AF: 0.00000657 AC: 1 AN: 152154 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74326

African (AFR) AF: 0.00 AC: 0 AN: 41414

American (AMR) AF: 0.00 AC: 0 AN: 15278

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5202

South Asian (SAS) AF: 0.00 AC: 0 AN: 4832

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10618

Middle Eastern (MID) AF: 0.00318 AC: 1 AN: 314

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68026

Other (OTH) AF: 0.00 AC: 0 AN: 2088

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

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

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.091
BayesDel_addAF	Benign	-0.15	T
BayesDel_noAF	Benign	-0.45
CADD	Benign	6.0
DANN	Benign	0.95
DEOGEN2	Benign	0.021	T
Eigen	Benign	-0.92
Eigen_PC	Benign	-0.91
FATHMM_MKL	Benign	0.047	N
LIST_S2	Benign	0.27	T
M_CAP	Benign	0.031	D
MetaRNN	Benign	0.051	T
MetaSVM	Benign	-0.67	T
MutationAssessor	Benign	1.4	L
PhyloP100		-0.40
PrimateAI	Benign	0.30	T
PROVEAN	Benign	-1.3	N
REVEL	Benign	0.12
Sift	Benign	0.22	T
Sift4G	Benign	0.094	T
Polyphen		0.046	B
Vest4		0.060
MutPred		0.24		Gain of catalytic residue at A2 (P = 0.0432)
MVP		0.41
MPC		0.016
ClinPred		0.078	T
GERP RS		-0.22
Varity_R		0.049
gMVP		0.29
Mutation Taster		=98/2	polymorphism

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: rs575423771; hg19: chr14-21502441;