17-10729815-T-A

Variant summary

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

The NM_001004313.3(TMEM220):​c.37A>T​(p.Met13Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000426 in 1,406,954 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 34)
Exomes 𝑓: 0.0000024 ( 0 hom. )

Consequence

TMEM220
NM_001004313.3 missense

Scores

6
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.29
Variant links:
Genes affected
TMEM220 (HGNC:33757): (transmembrane protein 220) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]
TMEM220-AS1 (HGNC:44357): (TMEM220 antisense RNA 1)

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=0.3612992).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TMEM220NM_001004313.3 linkuse as main transcriptc.37A>T p.Met13Leu missense_variant 1/6 ENST00000341871.8 NP_001004313.1
TMEM220-AS1NR_073458.1 linkuse as main transcriptn.39T>A non_coding_transcript_exon_variant 1/4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TMEM220ENST00000341871.8 linkuse as main transcriptc.37A>T p.Met13Leu missense_variant 1/61 NM_001004313.3 ENSP00000339830 P1Q6QAJ8-1
TMEM220-AS1ENST00000580899.1 linkuse as main transcriptn.20T>A non_coding_transcript_exon_variant 1/44

Frequencies

GnomAD3 genomes
AF:
0.0000198
AC:
3
AN:
151808
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000729
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
GnomAD4 exome
AF:
0.00000239
AC:
3
AN:
1255146
Hom.:
0
Cov.:
29
AF XY:
0.00000164
AC XY:
1
AN XY:
610058
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000350
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000199
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000198
AC:
3
AN:
151808
Hom.:
0
Cov.:
34
AF XY:
0.0000135
AC XY:
1
AN XY:
74184
show subpopulations
Gnomad4 AFR
AF:
0.0000729
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
Bravo
AF:
0.00000756

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 GeneticsJun 22, 2021The c.37A>T (p.M13L) alteration is located in exon 1 (coding exon 1) of the TMEM220 gene. This alteration results from a A to T substitution at nucleotide position 37, causing the methionine (M) at amino acid position 13 to be replaced by a leucine (L). 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
0.50
BayesDel_addAF
Benign
0.0081
T
BayesDel_noAF
Benign
-0.23
CADD
Uncertain
24
DANN
Benign
0.78
DEOGEN2
Benign
0.023
T;.;.
Eigen
Uncertain
0.26
Eigen_PC
Benign
0.17
FATHMM_MKL
Benign
0.55
D
LIST_S2
Benign
0.74
T;T;T
M_CAP
Uncertain
0.15
D
MetaRNN
Benign
0.36
T;T;T
MetaSVM
Benign
-0.53
T
MutationAssessor
Benign
1.9
L;L;.
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.78
T
PROVEAN
Benign
-1.8
N;N;.
REVEL
Benign
0.20
Sift
Uncertain
0.023
D;D;.
Sift4G
Uncertain
0.040
D;T;D
Polyphen
0.80
P;P;.
Vest4
0.53
MutPred
0.45
Loss of MoRF binding (P = 0.1531);Loss of MoRF binding (P = 0.1531);Loss of MoRF binding (P = 0.1531);
MVP
0.12
MPC
1.1
ClinPred
0.80
D
GERP RS
3.8
Varity_R
0.47
gMVP
0.30

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: rs1220121664; hg19: chr17-10633132; API