1-212738574-T-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_015471.4(NSL1):​c.680A>T​(p.Lys227Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000335 in 1,614,186 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000030 ( 0 hom. )

Consequence

NSL1
NM_015471.4 missense

Scores

5
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.55
Variant links:
Genes affected
NSL1 (HGNC:24548): (NSL1 component of MIS12 kinetochore complex) This gene encodes a protein with two coiled-coil domains that localizes to kinetochores, which are chromosome-associated structures that attach to microtubules and mediate chromosome movements during cell division. The encoded protein is part of a conserved protein complex that includes two chromodomain-containing proteins and a component of the outer plate of the kinetochore. This protein complex is proposed to bridge centromeric heterochromatin with the outer kinetochore structure. Multiple transcript variants encoding different isoforms have been found for this gene. There is a pseudogene of the 3' UTR region of this gene on chromosome X. [provided by RefSeq, Jul 2014]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.1006538).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
NSL1NM_015471.4 linkuse as main transcriptc.680A>T p.Lys227Ile missense_variant 6/6 ENST00000366977.8 NP_056286.3 Q96IY1-1Q53FM2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
NSL1ENST00000366977.8 linkuse as main transcriptc.680A>T p.Lys227Ile missense_variant 6/61 NM_015471.4 ENSP00000355944.3 Q96IY1-1
NSL1ENST00000626725.1 linkuse as main transcriptc.*123A>T 3_prime_UTR_variant 7/72 ENSP00000486783.1 Q96IY1-2
NSL1ENST00000366976.3 linkuse as main transcriptc.*93A>T 3_prime_UTR_variant 5/52 ENSP00000355943.1 Q5SY74
NSL1ENST00000366978.5 linkuse as main transcriptc.191-11395A>T intron_variant 2 ENSP00000355945.1 Q5SY76

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152212
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
Gnomad ASJ
AF:
0.000576
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00144
GnomAD3 exomes
AF:
0.0000875
AC:
22
AN:
251410
Hom.:
0
AF XY:
0.0000662
AC XY:
9
AN XY:
135880
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000347
Gnomad ASJ exome
AF:
0.000397
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000352
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.0000301
AC:
44
AN:
1461856
Hom.:
0
Cov.:
34
AF XY:
0.0000289
AC XY:
21
AN XY:
727230
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000358
Gnomad4 ASJ exome
AF:
0.000230
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000153
Gnomad4 OTH exome
AF:
0.0000662
GnomAD4 genome
AF:
0.0000656
AC:
10
AN:
152330
Hom.:
0
Cov.:
32
AF XY:
0.0000537
AC XY:
4
AN XY:
74484
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000261
Gnomad4 ASJ
AF:
0.000576
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.0000868
Hom.:
0
Bravo
AF:
0.0000718
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000107
AC:
13

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 08, 2024The c.680A>T (p.K227I) alteration is located in exon 6 (coding exon 6) of the NSL1 gene. This alteration results from a A to T substitution at nucleotide position 680, causing the lysine (K) at amino acid position 227 to be replaced by an isoleucine (I). 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
0.18
BayesDel_addAF
Benign
-0.28
T
BayesDel_noAF
Benign
-0.34
CADD
Benign
20
DANN
Uncertain
0.99
DEOGEN2
Benign
0.22
T
Eigen
Benign
-0.019
Eigen_PC
Benign
-0.16
FATHMM_MKL
Benign
0.23
N
LIST_S2
Benign
0.67
T
M_CAP
Benign
0.028
D
MetaRNN
Benign
0.10
T
MetaSVM
Benign
-0.93
T
MutationAssessor
Uncertain
2.1
M
PrimateAI
Benign
0.39
T
PROVEAN
Uncertain
-4.0
D
REVEL
Benign
0.098
Sift
Uncertain
0.023
D
Sift4G
Uncertain
0.0030
D
Polyphen
0.94
P
Vest4
0.33
MVP
0.57
MPC
0.94
ClinPred
0.71
D
GERP RS
3.0
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.27
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: rs183484554; hg19: chr1-212911916; API