chr4-103108896-G-A

Variant names:

• chr4-103108896-G-A
• rs777587692
• NM_001813.3:c.7918C>T

Variant summary

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

The NM_001813.3(CENPE):​c.7918C>T​(p.Pro2640Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000558 in 1,613,776 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: 𝑓 0.000046 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000014 (0 hom.)
• Consequence: CENPE NM_001813.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 2.15

Genes affected

CENPE (HGNC:1856): (centromere protein E) Centrosome-associated protein E (CENPE) is a kinesin-like motor protein that accumulates in the G2 phase of the cell cycle. Unlike other centrosome-associated proteins, it is not present during interphase and first appears at the centromere region of chromosomes during prometaphase. This protein is required for stable spindle microtubule capture at kinetochores which is a necessary step in chromosome alignment during prometaphase. This protein also couples chromosome position to microtubule depolymerizing activity. Alternative splicing results in multiple transcript variants encoding distinct protein isoforms. [provided by RefSeq, Nov 2014]

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=0.27875245).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CENPE	NM_001813.3	c.7918C>T	p.Pro2640Ser	missense_variant	Exon 48 of 49	ENST00000265148.9	NP_001804.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CENPE	ENST00000265148.9	c.7918C>T	p.Pro2640Ser	missense_variant	Exon 48 of 49	2	NM_001813.3	ENSP00000265148.3
CENPE	ENST00000380026.8	c.7555C>T	p.Pro2519Ser	missense_variant	Exon 46 of 47	1		ENSP00000369365.3

Frequencies

GnomAD3 genomes AF: 0.0000460 AC: 7 AN: 152148 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.000169

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

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: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.00000137 AC: 2 AN: 1461628 Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1 AN XY: 727110

African (AFR) AF: 0.0000598 AC: 2 AN: 33464

American (AMR) AF: 0.00 AC: 0 AN: 44718

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26124

East Asian (EAS) AF: 0.00 AC: 0 AN: 39664

South Asian (SAS) AF: 0.00 AC: 0 AN: 86246

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53420

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5764

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111844

Other (OTH) AF: 0.00 AC: 0 AN: 60384

GnomAD4 genome AF: 0.0000460 AC: 7 AN: 152148 Hom.: 0 Cov.: 32 AF XY: 0.0000673 AC XY: 5 AN XY: 74338

African (AFR) AF: 0.000169 AC: 7 AN: 41436

American (AMR) AF: 0.00 AC: 0 AN: 15258

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5204

South Asian (SAS) AF: 0.00 AC: 0 AN: 4826

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10620

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68014

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000378

ExAC AF: 0.00000824 AC: 1

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Oct 06, 2022

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.7918C>T (p.P2640S) alteration is located in exon 48 (coding exon 48) of the CENPE gene. This alteration results from a C to T substitution at nucleotide position 7918, causing the proline (P) at amino acid position 2640 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	0.18
BayesDel_addAF	Benign	-0.057	T
BayesDel_noAF	Benign	-0.14
CADD	Uncertain	24
DANN	Uncertain	1.0
DEOGEN2	Benign	0.24	T;.;.
Eigen	Uncertain	0.49
Eigen_PC	Uncertain	0.40
FATHMM_MKL	Benign	0.73	D
LIST_S2	Benign	0.84	T;T;T
M_CAP	Uncertain	0.14	D
MetaRNN	Benign	0.28	T;T;T
MetaSVM	Uncertain	0.37	D
MutationAssessor	Uncertain	2.2	M;.;.
PhyloP100		2.2
PrimateAI	Benign	0.37	T
PROVEAN	Uncertain	-2.9	D;D;.
REVEL	Uncertain	0.30
Sift	Pathogenic	0.0	D;D;.
Sift4G	Pathogenic	0.0	D;D;D
Polyphen		1.0	D;D;.
Vest4		0.33
MutPred		0.34		Loss of glycosylation at P2640 (P = 0.0314);.;.;
MVP		0.60
MPC		0.28
ClinPred		0.95	D
GERP RS		5.2
Varity_R		0.26
gMVP		0.27
Mutation Taster		=85/15	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

Publications

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Other links and lift over

dbSNP: rs777587692; hg19: chr4-104030053;