11-64805051-C-T

Variant names:

• chr11-64805051-C-T
• rs1555164153
• NM_001370259.2:c.1333G>A

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 5P and 2B. PM1 PM2 PP2 BP4_Moderate

The NM_001370259.2(MEN1):​c.1333G>A​(p.Gly445Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G445V) has been classified as Uncertain significance.

• Frequency: Genomes: not found (cov: 34)
• Consequence: MEN1 NM_001370259.2 missense
• Clinical Significance: Uncertain significance criteria provided, multiple submitters, no conflicts U:2
• Conservation: PhyloP100: 3.03
• Publications: 0 publications found

Genes affected

MEN1 (HGNC:7010): (menin 1) This gene encodes menin, a tumor suppressor associated with a syndrome known as multiple endocrine neoplasia type 1. Menin is a scaffold protein that functions in histone modification and epigenetic gene regulation. It is thought to regulate several pathways and processes by altering chromatin structure through the modification of histones. [provided by RefSeq, May 2019]

MEN1 Gene-Disease associations (from GenCC):

• multiple endocrine neoplasia type 1

  Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE, LIMITED Submitted by: Orphanet, G2P, Labcorp Genetics (formerly Invitae), ClinGen, Ambry Genetics
• familial isolated hyperparathyroidism

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• pituitary gigantism

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• hereditary pheochromocytoma-paraganglioma

  Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

ACMG classification

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

• PM1: In a hotspot region, there are 8 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 1 benign, 16 uncertain in NM_001370259.2
• PM2: Very rare variant in population databases, with high coverage
• PP2: Missense variant in the MEN1 gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 113 curated pathogenic missense variants (we use a threshold of 10). The gene has 20 curated benign missense variants. Trascript score misZ: 4.1921 (above the threshold of 3.09). GenCC associations: The gene is linked to multiple endocrine neoplasia type 1, hereditary pheochromocytoma-paraganglioma, pituitary gigantism, familial isolated hyperparathyroidism.
• BP4: Computational evidence support a benign effect (MetaRNN=0.22689974).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001370259.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MEN1	NM_001370259.2	MANE Select	c.1333G>A	p.Gly445Ser	missense	Exon 9 of 10	NP_001357188.2	O00255-2
	MEN1	NM_001407150.1		c.1474G>A	p.Gly492Ser	missense	Exon 10 of 11	NP_001394079.1
	MEN1	NM_001370251.2		c.1459G>A	p.Gly487Ser	missense	Exon 10 of 11	NP_001357180.2	A0A5F9ZHS3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MEN1	ENST00000450708.7	TSL:5 MANE Select	c.1333G>A	p.Gly445Ser	missense	Exon 9 of 10	ENSP00000394933.3	O00255-2
	MEN1	ENST00000312049.11	TSL:1	c.1333G>A	p.Gly445Ser	missense	Exon 9 of 10	ENSP00000308975.6	O00255-2
	MEN1	ENST00000424912.2	TSL:1	c.1333G>A	p.Gly445Ser	missense	Exon 10 of 11	ENSP00000388016.2	O00255-2

Frequencies

GnomAD3 genomes Cov.: 34

GnomAD4 exome Cov.: 41

GnomAD4 genome Cov.: 34

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, multiple submitters, no conflicts

Pathogenic	VUS	Benign	Condition
-	1	-	Hereditary cancer-predisposing syndrome (1)
-	1	-	Multiple endocrine neoplasia, type 1 (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.15
BayesDel_addAF	Uncertain	0.070	D
BayesDel_noAF	Benign	-0.14
CADD	Benign	21
DANN	Benign	0.82
DEOGEN2	Uncertain	0.59	D
Eigen	Benign	-0.53
Eigen_PC	Benign	-0.30
FATHMM_MKL	Benign	0.70	D
LIST_S2	Uncertain	0.89	D
M_CAP	Pathogenic	0.37	D
MetaRNN	Benign	0.23	T
MetaSVM	Uncertain	0.65	D
MutationAssessor	Benign	-0.88	N
PhyloP100		3.0
PrimateAI	Uncertain	0.72	T
PROVEAN	Benign	1.1	N
REVEL	Uncertain	0.53
Sift	Benign	1.0	T
Sift4G	Benign	1.0	T
Polyphen		0.0090	B
Vest4		0.18
MutPred		0.59		Gain of helix (P = 0.027)
MVP		0.76
MPC		1.0
ClinPred		0.86	D
GERP RS		4.0
Varity_R		0.15
gMVP		0.82
Mutation Taster		=59/41	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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: rs1555164153; hg19: chr11-64572523;