5-37044708-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PM2PP2BP6

The NM_133433.4(NIPBL):​c.6322G>A​(p.Ala2108Thr) variant causes a missense change. The variant allele was found at a frequency of 0.00000205 in 1,460,846 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

NIPBL
NM_133433.4 missense

Scores

3
10
6

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:2

Conservation

PhyloP100: 6.33
Variant links:
Genes affected
NIPBL (HGNC:28862): (NIPBL cohesin loading factor) This gene encodes the homolog of the Drosophila melanogaster Nipped-B gene product and fungal Scc2-type sister chromatid cohesion proteins. The Drosophila protein facilitates enhancer-promoter communication of remote enhancers and plays a role in developmental regulation. It is also homologous to a family of chromosomal adherins with broad roles in sister chromatid cohesion, chromosome condensation, and DNA repair. The human protein has a bipartite nuclear targeting sequence and a putative HEAT repeat. Condensins, cohesins and other complexes with chromosome-related functions also contain HEAT repeats. Mutations in this gene result in Cornelia de Lange syndrome, a disorder characterized by dysmorphic facial features, growth delay, limb reduction defects, and cognitive disability. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), NIPBL. . Gene score misZ 5.5737 (greater than the threshold 3.09). Trascript score misZ 6.6817 (greater than threshold 3.09). GenCC has associacion of gene with Cornelia de Lange syndrome, Cornelia de Lange syndrome 1.
BP6
Variant 5-37044708-G-A is Benign according to our data. Variant chr5-37044708-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 159187.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=2, Uncertain_significance=1}.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NIPBLNM_133433.4 linkuse as main transcriptc.6322G>A p.Ala2108Thr missense_variant 36/47 ENST00000282516.13

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NIPBLENST00000282516.13 linkuse as main transcriptc.6322G>A p.Ala2108Thr missense_variant 36/471 NM_133433.4 P1Q6KC79-1
NIPBLENST00000448238.2 linkuse as main transcriptc.6322G>A p.Ala2108Thr missense_variant 36/461 Q6KC79-2
NIPBLENST00000652901.1 linkuse as main transcriptc.6322G>A p.Ala2108Thr missense_variant 36/46

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
0.00000205
AC:
3
AN:
1460846
Hom.:
0
Cov.:
30
AF XY:
0.00000275
AC XY:
2
AN XY:
726796
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000270
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:2
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)Sep 19, 2016- -
Cornelia de Lange syndrome 1 Benign:1
Likely benign, criteria provided, single submitterclinical testingGenome-Nilou LabJul 15, 2021- -
not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingGenetic Services Laboratory, University of ChicagoFeb 08, 2013- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.38
BayesDel_addAF
Uncertain
0.15
D
BayesDel_noAF
Uncertain
-0.020
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Benign
0.16
T;.
Eigen
Uncertain
0.37
Eigen_PC
Uncertain
0.49
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Pathogenic
0.98
D;D
M_CAP
Uncertain
0.090
D
MetaRNN
Uncertain
0.43
T;T
MetaSVM
Uncertain
0.16
D
MutationAssessor
Benign
1.7
L;L
MutationTaster
Benign
1.0
D;D
PrimateAI
Pathogenic
0.79
T
PROVEAN
Benign
-0.33
N;N
REVEL
Uncertain
0.47
Sift
Benign
0.43
T;T
Sift4G
Benign
0.18
T;T
Polyphen
0.80
P;P
Vest4
0.53
MutPred
0.47
Loss of catalytic residue at A2108 (P = 0.0144);Loss of catalytic residue at A2108 (P = 0.0144);
MVP
0.84
MPC
1.4
ClinPred
0.89
D
GERP RS
5.8
Varity_R
0.24
gMVP
0.50

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: rs587784006; hg19: chr5-37044810; API