NM_001031715.3:c.910C>G

Variant names:

• chr15-67372267-C-G
• rs761446046
• NM_001031715.3:c.910C>G

Variant summary

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

The NM_001031715.3(IQCH):​c.910C>G​(p.His304Asp) 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 1,613,958 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 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: 6.8e-7 (0 hom.)
• Consequence: IQCH NM_001031715.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.489
• Publications: 1 publications found

Genes affected

IQCH (HGNC:25721): (IQ motif containing H)

IQCH-AS1 (HGNC:44104): (IQCH antisense RNA 1)

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=0.06332198).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001031715.3. 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
	IQCH	NM_001031715.3	MANE Select	c.910C>G	p.His304Asp	missense	Exon 9 of 21	NP_001026885.2	Q86VS3-1
	IQCH	NM_001322475.2		c.391C>G	p.His131Asp	missense	Exon 7 of 18	NP_001309404.2
	IQCH	NM_001322470.2		c.391C>G	p.His131Asp	missense	Exon 6 of 16	NP_001309399.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	IQCH	ENST00000335894.9	TSL:1 MANE Select	c.910C>G	p.His304Asp	missense	Exon 9 of 21	ENSP00000336861.4	Q86VS3-1
	IQCH	ENST00000629425.2	TSL:1	c.391C>G	p.His131Asp	missense	Exon 6 of 7	ENSP00000486970.1	Q86VS3-3
	IQCH	ENST00000514049.5	TSL:2	n.*499C>G		non_coding_transcript_exon	Exon 7 of 17	ENSP00000421223.1	D6RGG0

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152126 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000241

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

GnomAD2 exomes AF: 0.00000398 AC: 1 AN: 251084 AF XY: 0.00000737

Gnomad AFR exome AF: 0.0000615

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: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461832 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 727218

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

African (AFR) AF: 0.0000299 AC: 1 AN: 33478

American (AMR) AF: 0.00 AC: 0 AN: 44718

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39694

South Asian (SAS) AF: 0.00 AC: 0 AN: 86256

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53404

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111982

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 AF: 0.00000657 AC: 1 AN: 152126 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74330

African (AFR) AF: 0.0000241 AC: 1 AN: 41412

American (AMR) AF: 0.00 AC: 0 AN: 15272

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

East Asian (EAS) AF: 0.00 AC: 0 AN: 5196

South Asian (SAS) AF: 0.00 AC: 0 AN: 4828

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10606

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68024

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.0000364 Hom.: 0

Bravo AF: 0.00000756

ExAC AF: 0.00000824 AC: 1

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	0.25
BayesDel_addAF	Benign	-0.25	T
BayesDel_noAF	Benign	-0.41
CADD	Benign	16
DANN	Benign	0.93
DEOGEN2	Benign	0.064	T
Eigen	Benign	-0.36
Eigen_PC	Benign	-0.34
FATHMM_MKL	Benign	0.13	N
LIST_S2	Benign	0.77	T
M_CAP	Benign	0.014	T
MetaRNN	Benign	0.063	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Uncertain	2.4	M
PhyloP100		0.49
PrimateAI	Benign	0.41	T
PROVEAN	Benign	-2.2	N
REVEL	Benign	0.087
Sift	Benign	0.21	T
Sift4G	Benign	0.16	T
Polyphen		0.069	B
Vest4		0.35
MutPred		0.36		Loss of ubiquitination at K307 (P = 0.1498)
MVP		0.17
MPC		0.37
ClinPred		0.30	T
GERP RS		3.3
PromoterAI		0.0024	Neutral
Varity_R		0.085
gMVP		0.74

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: rs761446046; hg19: chr15-67664605;