2-200992352-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_001321623.1(HYCC2):​c.760G>A​(p.Asp254Asn) variant causes a missense change. The variant allele was found at a frequency of 0.00000808 in 1,609,002 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 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

HYCC2
NM_001321623.1 missense

Scores

11
8

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.31
Variant links:
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

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=0.3210075).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
HYCC2NM_001321623.1 linkuse as main transcriptc.760G>A p.Asp254Asn missense_variant 10/13 ENST00000681958.1 NP_001308552.1 A0A804HIT6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
HYCC2ENST00000681958.1 linkuse as main transcriptc.760G>A p.Asp254Asn missense_variant 10/13 NM_001321623.1 ENSP00000507218.1 A0A804HIT6

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152158
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000121
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
GnomAD3 exomes
AF:
0.0000119
AC:
3
AN:
251080
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135726
show subpopulations
Gnomad AFR exome
AF:
0.000185
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS 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:
0.00000549
AC:
8
AN:
1456844
Hom.:
0
Cov.:
27
AF XY:
0.00000276
AC XY:
2
AN XY:
725086
show subpopulations
Gnomad4 AFR exome
AF:
0.000180
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:
0.00
Gnomad4 OTH exome
AF:
0.0000332
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152158
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74320
show subpopulations
Gnomad4 AFR
AF:
0.000121
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000658
Hom.:
0
Bravo
AF:
0.0000604
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000165
AC:
2

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsOct 20, 2024The c.760G>A (p.D254N) alteration is located in exon 10 (coding exon 8) of the FAM126B gene. This alteration results from a G to A substitution at nucleotide position 760, causing the aspartic acid (D) at amino acid position 254 to be replaced by an asparagine (N). 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
0.094
BayesDel_addAF
Benign
-0.28
T
BayesDel_noAF
Benign
-0.37
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.58
D
Eigen
Uncertain
0.24
Eigen_PC
Uncertain
0.37
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.92
D
M_CAP
Benign
0.040
D
MetaRNN
Benign
0.32
T
MetaSVM
Uncertain
-0.24
T
MutationAssessor
Uncertain
2.0
M
PrimateAI
Uncertain
0.58
T
PROVEAN
Benign
-1.9
N
REVEL
Uncertain
0.49
Sift
Benign
0.13
T
Sift4G
Uncertain
0.023
D
Polyphen
0.049
B
Vest4
0.41
MVP
0.70
MPC
0.43
ClinPred
0.56
D
GERP RS
5.7
Varity_R
0.15
gMVP
0.43

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs146041950; hg19: chr2-201857075; API