2-201016954-A-T

Variant names:

• chr2-201016954-A-T
• rs13405753
• NM_001321623.1:c.333+37T>A

Variant summary

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

The NM_001321623.1(HYCC2):​c.333+37T>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000943 in 1,590,554 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000097 (0 hom.)
• Consequence: HYCC2 NM_001321623.1 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.01
• Publications: 10 publications found

Genes affected

HYCC2 (HGNC:28593): (hyccin PI4KA lipid kinase complex subunit 2) Predicted to be involved in phosphatidylinositol phosphate biosynthetic process and protein localization to plasma membrane. Predicted to be located in cytosol. Predicted to be active in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

LOC105373835 (HGNC:):

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 (BayesDel_noAF=-0.84).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HYCC2	NM_001321623.1	c.333+37T>A		intron_variant	Intron 5 of 12	ENST00000681958.1	NP_001308552.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
HYCC2	ENST00000681958.1	c.333+37T>A		intron_variant	Intron 5 of 12		NM_001321623.1	ENSP00000507218.1

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 152034 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000242

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: 0.00000825 AC: 2 AN: 242392 AF XY: 0.00000759

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: 0.0000181

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000973 AC: 14 AN: 1438520 Hom.: 0 Cov.: 25 AF XY: 0.00000978 AC XY: 7 AN XY: 715914

African (AFR) AF: 0.0000305 AC: 1 AN: 32744

American (AMR) AF: 0.00 AC: 0 AN: 42698

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25532

East Asian (EAS) AF: 0.00 AC: 0 AN: 39460

South Asian (SAS) AF: 0.00 AC: 0 AN: 85354

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 51660

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

European-Non Finnish (NFE) AF: 0.0000119 AC: 13 AN: 1095926

Other (OTH) AF: 0.00 AC: 0 AN: 59466

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 152034 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74272

African (AFR) AF: 0.0000242 AC: 1 AN: 41378

American (AMR) AF: 0.00 AC: 0 AN: 15266

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: 4826

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10588

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

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67990

Other (OTH) AF: 0.00 AC: 0 AN: 2092

Alfa AF: 0.00 Hom.: 5260

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.84
CADD	Benign	9.4
DANN	Benign	0.78
PhyloP100		1.0

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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: rs13405753; hg19: chr2-201881677;