NM_032727.4:c.254A>G

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 3P and 2B. PM2PP2BP4_Moderate

The NM_032727.4(INA):​c.254A>G​(p.Asn85Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000443 in 1,579,056 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: 32)
Exomes 𝑓: 0.0000028 ( 0 hom. )

Consequence

INA
NM_032727.4 missense

Scores

2
3
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.22

Publications

0 publications found
Variant links:
Genes affected
INA (HGNC:6057): (internexin neuronal intermediate filament protein alpha) Neurofilaments are type IV intermediate filament heteropolymers composed of light, medium, and heavy chains. Neurofilaments comprise the axoskeleton and they functionally maintain the neuronal caliber. They may also play a role in intracellular transport to axons and dendrites. This gene is a member of the intermediate filament family and is involved in the morphogenesis of neurons. [provided by RefSeq, Jun 2009]
NT5C2 (HGNC:8022): (5'-nucleotidase, cytosolic II) This gene encodes a hydrolase that serves as an important role in cellular purine metabolism by acting primarily on inosine 5'-monophosphate and other purine nucleotides. [provided by RefSeq, Oct 2011]
NT5C2 Gene-Disease associations (from GenCC):
  • complex hereditary spastic paraplegia
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • hereditary spastic paraplegia 45
    Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine, Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP2
Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 1 curated pathogenic missense variants (we use a threshold of 10). The gene has 0 curated benign missense variants. Gene score misZ: 2.1276 (below the threshold of 3.09). Trascript score misZ: 0.35672 (below the threshold of 3.09).
BP4
Computational evidence support a benign effect (MetaRNN=0.1693326).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032727.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
INA
NM_032727.4
MANE Select
c.254A>Gp.Asn85Ser
missense
Exon 1 of 3NP_116116.1Q16352

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
INA
ENST00000369849.9
TSL:1 MANE Select
c.254A>Gp.Asn85Ser
missense
Exon 1 of 3ENSP00000358865.4Q16352
NT5C2
ENST00000676449.1
c.-336T>C
5_prime_UTR_premature_start_codon_gain
Exon 1 of 18ENSP00000502801.1P49902-1
NT5C2
ENST00000964133.1
c.-434T>C
5_prime_UTR_premature_start_codon_gain
Exon 1 of 19ENSP00000634192.1

Frequencies

GnomAD3 genomes
AF:
0.0000198
AC:
3
AN:
151626
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000390
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000142
AC:
3
AN:
211578
AF XY:
0.0000171
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000143
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000103
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000280
AC:
4
AN:
1427318
Hom.:
0
Cov.:
33
AF XY:
0.00000282
AC XY:
2
AN XY:
710248
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
29978
American (AMR)
AF:
0.00
AC:
0
AN:
41630
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25134
East Asian (EAS)
AF:
0.0000276
AC:
1
AN:
36170
South Asian (SAS)
AF:
0.0000121
AC:
1
AN:
82872
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
48364
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5638
European-Non Finnish (NFE)
AF:
0.00000182
AC:
2
AN:
1098496
Other (OTH)
AF:
0.00
AC:
0
AN:
59036
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.438
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000198
AC:
3
AN:
151738
Hom.:
0
Cov.:
32
AF XY:
0.0000270
AC XY:
2
AN XY:
74186
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41434
American (AMR)
AF:
0.00
AC:
0
AN:
15284
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3454
East Asian (EAS)
AF:
0.000391
AC:
2
AN:
5120
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4802
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10546
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
290
European-Non Finnish (NFE)
AF:
0.0000148
AC:
1
AN:
67792
Other (OTH)
AF:
0.00
AC:
0
AN:
2106
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.542
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.00000378
ExAC
AF:
0.0000414
AC:
5

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.090
BayesDel_addAF
Benign
-0.23
T
BayesDel_noAF
Benign
-0.32
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.42
T
Eigen
Benign
-0.17
Eigen_PC
Benign
-0.055
FATHMM_MKL
Benign
0.24
N
LIST_S2
Benign
0.82
T
M_CAP
Pathogenic
0.80
D
MetaRNN
Benign
0.17
T
MetaSVM
Benign
-0.53
T
MutationAssessor
Benign
1.9
L
PhyloP100
1.2
PrimateAI
Pathogenic
0.80
T
PROVEAN
Benign
-1.6
N
REVEL
Uncertain
0.30
Sift
Benign
0.44
T
Sift4G
Benign
0.27
T
Polyphen
0.38
B
Vest4
0.11
MutPred
0.46
Gain of phosphorylation at N85 (P = 0.0302)
MVP
0.92
MPC
1.3
ClinPred
0.25
T
GERP RS
4.0
PromoterAI
-0.027
Neutral
Varity_R
0.22
gMVP
0.34
Mutation Taster
=60/40
polymorphism

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

Other links and lift over

dbSNP: rs529183084; hg19: chr10-105037222; API