Variant 15-84657276-A-G details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_021077.4(NMB):c.230T>C(p.Leu77Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000461 in 1,605,886 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000047 ( 0 hom. )

Consequence

NMB
NM_021077.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.102

Variant links:

Genes affected

NMB (HGNC:7842): (neuromedin B) This gene encodes a member of the bombesin-like family of neuropeptides, which negatively regulate eating behavior. The encoded protein may regulate colonic smooth muscle contraction through binding to its cognate receptor, the neuromedin B receptor (NMBR). Polymorphisms of this gene may be associated with hunger, weight gain and obesity. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2015]

NMB links:

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=0.07635856).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
NMB	NM_021077.4 linkuse as main transcript	c.230T>C	p.Leu77Pro	missense_variant	2/3	ENST00000360476.8
NMB	NM_205858.2 linkuse as main transcript	c.230T>C	p.Leu77Pro	missense_variant	2/3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
NMB	ENST00000360476.8 linkuse as main transcript	c.230T>C	p.Leu77Pro	missense_variant	2/3	1	NM_021077.4	P1	P08949-1
NMB	ENST00000394588.3 linkuse as main transcript	c.230T>C	p.Leu77Pro	missense_variant	2/3	1			P08949-2

Frequencies

GnomAD3 genomes

AF:

0.0000329

AC:

AN:

152160

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000588

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.00000426

AC:

AN:

234922

Hom.:

AF XY:

0.00

AC XY:

AN XY:

127604

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000939

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000475

AC:

AN:

1453726

Hom.:

Cov.:

AF XY:

0.0000512

AC XY:

AN XY:

722712

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:

0.0000595

Gnomad4 OTH exome

AF:

0.0000500

GnomAD4 genome

AF:

0.0000329

AC:

AN:

152160

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74328

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.0000654

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000588

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000113

ExAC

AF:

0.00000824

AC:

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 submitter

clinical testing

Ambry Genetics

Nov 18, 2023

The c.230T>C (p.L77P) alteration is located in exon 2 (coding exon 2) of the NMB gene. This alteration results from a T to C substitution at nucleotide position 230, causing the leucine (L) at amino acid position 77 to be replaced by a proline (P). 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

0.070

BayesDel_addAF

Benign

-0.19

BayesDel_noAF

Benign

-0.50

Cadd

Benign

Dann

Benign

0.92

DEOGEN2

Benign

0.066

T;.

Eigen

Benign

-0.89

Eigen_PC

Benign

-0.88

FATHMM_MKL

Benign

0.064

LIST_S2

Benign

0.51

T;T

M_CAP

Benign

0.0094

MetaRNN

Benign

0.076

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.7

L;L

MutationTaster

Benign

1.0

N;N

PrimateAI

Benign

0.35

PROVEAN

Uncertain

-2.9

D;D

REVEL

Benign

0.042

Sift

Benign

0.11

T;T

Sift4G

Benign

0.062

T;D

Polyphen

0.0090

B;B

Vest4

0.33

MutPred

0.17

Gain of relative solvent accessibility (P = 0.0098);Gain of relative solvent accessibility (P = 0.0098);

MVP

0.26

MPC

0.26

ClinPred

0.078

GERP RS

-0.89

Varity_R

0.42

gMVP

0.49

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over