rs1955482735

Variant names:

• chr11-72004062-T-C
• rs1955482735
• NM_006185.4:c.6161A>G

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2 BP4

The NM_006185.4(NUMA1):​c.6161A>G​(p.Asn2054Ser) variant causes a missense change. The variant allele was found at a frequency of 0.00000205 in 1,461,210 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: not found (cov: 33)
  • Exomes 𝑓: 0.0000021 (0 hom.)
• Consequence: NUMA1 NM_006185.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 5.75
• Publications: 0 publications found

Genes affected

NUMA1 (HGNC:8059): (nuclear mitotic apparatus protein 1) This gene encodes a large protein that forms a structural component of the nuclear matrix. The encoded protein interacts with microtubules and plays a role in the formation and organization of the mitotic spindle during cell division. Chromosomal translocation of this gene with the RARA (retinoic acid receptor, alpha) gene on chromosome 17 have been detected in patients with acute promyelocytic leukemia. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2013]

IL18BP (HGNC:5987): (interleukin 18 binding protein) The protein encoded by this gene functions as an inhibitor of the proinflammatory cytokine, IL18. It binds IL18, prevents the binding of IL18 to its receptor, and thus inhibits IL18-induced IFN-gamma production, resulting in reduced T-helper type 1 immune responses. This protein is constitutively expressed and secreted in mononuclear cells. Elevated level of this protein is detected in the intestinal tissues of patients with Crohn's disease. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Feb 2011]

IL18BP Gene-Disease associations (from GenCC):

• hepatitis, fulminant viral, susceptibility to

  Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

ACMG classification

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

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.31750646).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NUMA1	NM_006185.4	c.6161A>G	p.Asn2054Ser	missense_variant	Exon 26 of 27	ENST00000393695.8	NP_006176.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NUMA1	ENST00000393695.8	c.6161A>G	p.Asn2054Ser	missense_variant	Exon 26 of 27	1	NM_006185.4	ENSP00000377298.4

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 0.00000205 AC: 3 AN: 1461210 Hom.: 0 Cov.: 33 AF XY: 0.00000413 AC XY: 3 AN XY: 726926

African (AFR) AF: 0.00 AC: 0 AN: 33444

American (AMR) AF: 0.00 AC: 0 AN: 44584

Ashkenazi Jewish (ASJ) AF: 0.0000384 AC: 1 AN: 26070

East Asian (EAS) AF: 0.0000252 AC: 1 AN: 39694

South Asian (SAS) AF: 0.00 AC: 0 AN: 86224

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53334

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5760

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111760

Other (OTH) AF: 0.0000166 AC: 1 AN: 60340

GnomAD4 genome Cov.: 33

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000756

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Feb 21, 2025

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.6161A>G (p.N2054S) alteration is located in exon 26 (coding exon 24) of the NUMA1 gene. This alteration results from a A to G substitution at nucleotide position 6161, causing the asparagine (N) at amino acid position 2054 to be replaced by a serine (S). 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	0.28
BayesDel_addAF	Benign	-0.094	T
BayesDel_noAF	Benign	-0.37
CADD	Uncertain	25
DANN	Uncertain	1.0
DEOGEN2	Benign	0.15	.;.;T;.;.;.
Eigen	Uncertain	0.25
Eigen_PC	Uncertain	0.34
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Uncertain	0.94	.;.;D;D;D;D
M_CAP	Benign	0.015	T
MetaRNN	Benign	0.32	T;T;T;T;T;T
MetaSVM	Benign	-0.85	T
MutationAssessor	Uncertain	2.5	.;.;M;.;.;.
PhyloP100		5.7
PrimateAI	Uncertain	0.61	T
PROVEAN	Benign	-1.7	N;N;N;.;.;.
REVEL	Benign	0.15
Sift	Benign	0.12	T;D;D;.;.;.
Sift4G	Uncertain	0.046	D;D;D;D;D;D
Polyphen		1.0	.;D;D;D;.;.
Vest4		0.73
MutPred		0.30		.;.;Gain of phosphorylation at N2054 (P = 0.0449);.;.;.;
MVP		0.61
MPC		0.87
ClinPred		0.96	D
GERP RS		4.8
Varity_R		0.40
gMVP		0.22
Mutation Taster		=77/23	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

Other links and lift over

dbSNP: rs1955482735; hg19: chr11-71715108;