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GeneBe

chr12-76068933-T-C

Variant summary

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

The NM_004537.7(NAP1L1):ā€‹c.79A>Gā€‹(p.Thr27Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000031 in 1,613,100 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 32)
Exomes š‘“: 0.0000027 ( 1 hom. )

Consequence

NAP1L1
NM_004537.7 missense

Scores

2
13

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.99
Variant links:
Genes affected
NAP1L1 (HGNC:7637): (nucleosome assembly protein 1 like 1) This gene encodes a member of the nucleosome assembly protein (NAP) family. This protein participates in DNA replication and may play a role in modulating chromatin formation and contribute to the regulation of cell proliferation. Alternative splicing results in multiple transcript variants encoding different isoforms; however, not all have been fully described. [provided by RefSeq, Apr 2015]

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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=0.06388822).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NAP1L1NM_004537.7 linkuse as main transcriptc.79A>G p.Thr27Ala missense_variant 3/15 ENST00000618691.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NAP1L1ENST00000618691.5 linkuse as main transcriptc.79A>G p.Thr27Ala missense_variant 3/151 NM_004537.7 P1P55209-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152140
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:
0.000193
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
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
250960
Hom.:
1
AF XY:
0.0000221
AC XY:
3
AN XY:
135678
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000218
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1460960
Hom.:
1
Cov.:
30
AF XY:
0.00000275
AC XY:
2
AN XY:
726824
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152140
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74320
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378
ExAC
AF:
0.0000165
AC:
2

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.070
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.45
CADD
Benign
21
DANN
Benign
0.92
DEOGEN2
Benign
0.093
T;T;T;T;T;.;T;T;T;.;.;T
Eigen
Benign
-0.24
Eigen_PC
Benign
-0.039
FATHMM_MKL
Uncertain
0.87
D
M_CAP
Benign
0.0056
T
MetaRNN
Benign
0.064
T;T;T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.7
L;L;.;L;.;L;.;.;.;.;.;.
MutationTaster
Benign
0.56
D;D;D;D;D;D;D;D;D;D
PrimateAI
Uncertain
0.57
T
Sift4G
Benign
0.50
T;T;T;T;T;T;T;.;T;.;.;.
Polyphen
0.0
B;B;.;B;B;.;B;.;.;.;.;.
Vest4
0.24
MutPred
0.18
Loss of phosphorylation at T27 (P = 0.0106);Loss of phosphorylation at T27 (P = 0.0106);.;Loss of phosphorylation at T27 (P = 0.0106);Loss of phosphorylation at T27 (P = 0.0106);Loss of phosphorylation at T27 (P = 0.0106);Loss of phosphorylation at T27 (P = 0.0106);Loss of phosphorylation at T27 (P = 0.0106);Loss of phosphorylation at T27 (P = 0.0106);Loss of phosphorylation at T27 (P = 0.0106);Loss of phosphorylation at T27 (P = 0.0106);Loss of phosphorylation at T27 (P = 0.0106);
MVP
0.59
MPC
0.49
ClinPred
0.12
T
GERP RS
4.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.054
gMVP
0.15

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: rs758104500; hg19: chr12-76462713; API