10-70091910-G-C

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The ENST00000373255.9(MACROH2A2):ā€‹c.433G>Cā€‹(p.Gly145Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000194 in 1,614,008 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…). Another nucleotide change resulting in same amino acid change has been previously reported as Uncertain significancein ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G145A) has been classified as Uncertain significance.

Frequency

Genomes: š‘“ 0.00014 ( 0 hom., cov: 32)
Exomes š‘“: 0.00020 ( 0 hom. )

Consequence

MACROH2A2
ENST00000373255.9 missense

Scores

4
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.84
Variant links:
Genes affected
MACROH2A2 (HGNC:14453): (macroH2A.2 histone) Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Nucleosomes consist of approximately 146 bp of DNA wrapped around a histone octamer composed of pairs of each of the four core histones (H2A, H2B, H3, and H4). The chromatin fiber is further compacted through the interaction of a linker histone, H1, with the DNA between the nucleosomes to form higher order chromatin structures. This gene encodes a replication-independent histone that is a member of the histone H2A family. It replaces conventional H2A histones in a subset of nucleosomes where it represses transcription and may participate in stable X chromosome inactivation. [provided by RefSeq, Oct 2015]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.046270847).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MACROH2A2NM_018649.3 linkuse as main transcriptc.433G>C p.Gly145Arg missense_variant 4/9 ENST00000373255.9 NP_061119.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MACROH2A2ENST00000373255.9 linkuse as main transcriptc.433G>C p.Gly145Arg missense_variant 4/91 NM_018649.3 ENSP00000362352 P1

Frequencies

GnomAD3 genomes
AF:
0.000145
AC:
22
AN:
152128
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000197
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000942
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000206
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000235
AC:
59
AN:
250870
Hom.:
0
AF XY:
0.000258
AC XY:
35
AN XY:
135670
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.000202
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000109
Gnomad SAS exome
AF:
0.000294
Gnomad FIN exome
AF:
0.0000462
Gnomad NFE exome
AF:
0.000318
Gnomad OTH exome
AF:
0.000327
GnomAD4 exome
AF:
0.000199
AC:
291
AN:
1461762
Hom.:
0
Cov.:
32
AF XY:
0.000202
AC XY:
147
AN XY:
727174
show subpopulations
Gnomad4 AFR exome
AF:
0.000239
Gnomad4 AMR exome
AF:
0.000157
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000453
Gnomad4 SAS exome
AF:
0.000255
Gnomad4 FIN exome
AF:
0.0000749
Gnomad4 NFE exome
AF:
0.000176
Gnomad4 OTH exome
AF:
0.000315
GnomAD4 genome
AF:
0.000145
AC:
22
AN:
152246
Hom.:
0
Cov.:
32
AF XY:
0.000175
AC XY:
13
AN XY:
74440
show subpopulations
Gnomad4 AFR
AF:
0.0000481
Gnomad4 AMR
AF:
0.000196
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.0000942
Gnomad4 NFE
AF:
0.000206
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000144
Hom.:
0
Bravo
AF:
0.000212
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.000239
AC:
29
EpiCase
AF:
0.000600
EpiControl
AF:
0.000533

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 GeneticsSep 29, 2022The c.433G>C (p.G145R) alteration is located in exon 4 (coding exon 3) of the H2AFY2 gene. This alteration results from a G to C substitution at nucleotide position 433, causing the glycine (G) at amino acid position 145 to be replaced by an arginine (R). 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
Uncertain
0.34
BayesDel_addAF
Benign
-0.40
T
BayesDel_noAF
Benign
-0.51
CADD
Benign
20
DANN
Benign
0.97
DEOGEN2
Benign
0.10
T
Eigen
Benign
-0.24
Eigen_PC
Benign
-0.017
FATHMM_MKL
Uncertain
0.91
D
LIST_S2
Uncertain
0.90
D
M_CAP
Benign
0.0055
T
MetaRNN
Benign
0.046
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.69
N
MutationTaster
Benign
0.70
D
PrimateAI
Uncertain
0.65
T
PROVEAN
Benign
-0.64
N
REVEL
Benign
0.043
Sift
Benign
0.62
T
Sift4G
Benign
0.22
T
Polyphen
0.0
B
Vest4
0.33
MutPred
0.23
Gain of methylation at G145 (P = 0.0162);
MVP
0.26
MPC
1.1
ClinPred
0.023
T
GERP RS
4.9
Varity_R
0.089
gMVP
0.27

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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: rs115009483; hg19: chr10-71851666; API