rs2824495

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_001100420.2(C21orf91):ā€‹c.345C>Gā€‹(p.Asn115Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.214 in 1,612,780 control chromosomes in the GnomAD database, including 38,576 homozygotes. In-silico tool predicts a benign outcome for this variant. 12/17 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in same amino acid change has been previously reported as Likely benignin UniProt.

Frequency

Genomes: š‘“ 0.21 ( 3487 hom., cov: 32)
Exomes š‘“: 0.22 ( 35089 hom. )

Consequence

C21orf91
NM_001100420.2 missense

Scores

1
15

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.770
Variant links:
Genes affected
C21orf91 (HGNC:16459): (chromosome 21 open reading frame 91) Predicted to be involved in cerebral cortex neuron differentiation and positive regulation of dendritic spine development. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -12 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0021314323).
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.384 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
C21orf91NM_001100420.2 linkuse as main transcriptc.345C>G p.Asn115Lys missense_variant 3/5 ENST00000284881.9 NP_001093890.1
LOC124900465XR_007067823.1 linkuse as main transcriptn.1605+40112G>C intron_variant, non_coding_transcript_variant
C21orf91NM_017447.4 linkuse as main transcriptc.345C>G p.Asn115Lys missense_variant 3/5 NP_059143.3
C21orf91NM_001100421.2 linkuse as main transcriptc.345C>G p.Asn115Lys missense_variant 3/4 NP_001093891.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
C21orf91ENST00000284881.9 linkuse as main transcriptc.345C>G p.Asn115Lys missense_variant 3/52 NM_001100420.2 ENSP00000284881 P4Q9NYK6-1
ENST00000428689.5 linkuse as main transcriptn.71+3343G>C intron_variant, non_coding_transcript_variant 3

Frequencies

GnomAD3 genomes
AF:
0.208
AC:
31618
AN:
151978
Hom.:
3483
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.207
Gnomad AMI
AF:
0.196
Gnomad AMR
AF:
0.244
Gnomad ASJ
AF:
0.155
Gnomad EAS
AF:
0.399
Gnomad SAS
AF:
0.193
Gnomad FIN
AF:
0.127
Gnomad MID
AF:
0.127
Gnomad NFE
AF:
0.204
Gnomad OTH
AF:
0.173
GnomAD3 exomes
AF:
0.217
AC:
54042
AN:
249026
Hom.:
6466
AF XY:
0.211
AC XY:
28559
AN XY:
135134
show subpopulations
Gnomad AFR exome
AF:
0.206
Gnomad AMR exome
AF:
0.266
Gnomad ASJ exome
AF:
0.152
Gnomad EAS exome
AF:
0.400
Gnomad SAS exome
AF:
0.185
Gnomad FIN exome
AF:
0.130
Gnomad NFE exome
AF:
0.206
Gnomad OTH exome
AF:
0.206
GnomAD4 exome
AF:
0.215
AC:
314156
AN:
1460684
Hom.:
35089
Cov.:
33
AF XY:
0.213
AC XY:
154523
AN XY:
726766
show subpopulations
Gnomad4 AFR exome
AF:
0.201
Gnomad4 AMR exome
AF:
0.259
Gnomad4 ASJ exome
AF:
0.155
Gnomad4 EAS exome
AF:
0.388
Gnomad4 SAS exome
AF:
0.187
Gnomad4 FIN exome
AF:
0.138
Gnomad4 NFE exome
AF:
0.215
Gnomad4 OTH exome
AF:
0.214
GnomAD4 genome
AF:
0.208
AC:
31630
AN:
152096
Hom.:
3487
Cov.:
32
AF XY:
0.206
AC XY:
15327
AN XY:
74372
show subpopulations
Gnomad4 AFR
AF:
0.207
Gnomad4 AMR
AF:
0.244
Gnomad4 ASJ
AF:
0.155
Gnomad4 EAS
AF:
0.399
Gnomad4 SAS
AF:
0.193
Gnomad4 FIN
AF:
0.127
Gnomad4 NFE
AF:
0.204
Gnomad4 OTH
AF:
0.170
Alfa
AF:
0.164
Hom.:
745
Bravo
AF:
0.219
TwinsUK
AF:
0.220
AC:
816
ALSPAC
AF:
0.219
AC:
845
ESP6500AA
AF:
0.214
AC:
777
ESP6500EA
AF:
0.202
AC:
1655
ExAC
AF:
0.217
AC:
26168
Asia WGS
AF:
0.275
AC:
955
AN:
3476
EpiCase
AF:
0.196
EpiControl
AF:
0.207

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.78
T
BayesDel_noAF
Benign
-0.75
CADD
Benign
5.6
DANN
Benign
0.77
DEOGEN2
Benign
0.0047
.;.;.;T
Eigen
Benign
-0.85
Eigen_PC
Benign
-0.88
FATHMM_MKL
Benign
0.17
N
LIST_S2
Uncertain
0.86
D;D;D;D
MetaRNN
Benign
0.0021
T;T;T;T
MetaSVM
Benign
-0.91
T
MutationTaster
Benign
1.0
P;P
PROVEAN
Benign
-0.76
N;N;N;N
REVEL
Benign
0.035
Sift
Benign
0.66
T;T;T;T
Sift4G
Benign
0.32
T;T;T;.
Vest4
0.035
MutPred
0.23
Gain of ubiquitination at N115 (P = 0.006);Gain of ubiquitination at N115 (P = 0.006);Gain of ubiquitination at N115 (P = 0.006);Gain of ubiquitination at N115 (P = 0.006);
MPC
0.17
ClinPred
0.0025
T
GERP RS
0.94
gMVP
0.076

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: rs2824495; hg19: chr21-19169218; COSMIC: COSV53032946; COSMIC: COSV53032946; API