14-39181720-A-T

Variant names:

• chr14-39181720-A-T
• rs13021
• NM_002687.4:c.2011A>T
• PNN p.Ser671Cys

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_002687.4(PNN):​c.2011A>T​(p.Ser671Cys) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: PNN NM_002687.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 5.03
• Publications: 37 publications found

Genes affected

PNN (HGNC:9162): (pinin, desmosome associated protein) Enables RNA binding activity. Predicted to be involved in cell adhesion and mRNA splicing, via spliceosome. Predicted to act upstream of or within cell-cell adhesion. Located in nuclear speck. Part of catalytic step 2 spliceosome. Colocalizes with exon-exon junction complex. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002687.4. 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
	PNN	NM_002687.4	MANE Select	c.2011A>T	p.Ser671Cys	missense	Exon 9 of 9	NP_002678.3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PNN	ENST00000216832.9	TSL:1 MANE Select	c.2011A>T	p.Ser671Cys	missense	Exon 9 of 9	ENSP00000216832.4	Q9H307
	PNN	ENST00000911271.1		c.2011A>T	p.Ser671Cys	missense	Exon 9 of 9	ENSP00000581330.1
	PNN	ENST00000911270.1		c.2005A>T	p.Ser669Cys	missense	Exon 9 of 9	ENSP00000581329.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 33

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 3328

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.073
BayesDel_addAF	Benign	-0.13	T
BayesDel_noAF	Benign	-0.43
CADD	Uncertain	23
DANN	Benign	0.92
DEOGEN2	Benign	0.40	T
Eigen	Uncertain	0.57
Eigen_PC	Uncertain	0.57
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Benign	0.77	T
M_CAP	Benign	0.0096	T
MetaRNN	Uncertain	0.63	D
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	0.81	L
PhyloP100		5.0
PrimateAI	Benign	0.47	T
PROVEAN	Benign	-1.8	N
REVEL	Benign	0.11
Sift	Pathogenic	0.0	D
Sift4G	Pathogenic	0.0010	D
Varity_R		0.43
gMVP		0.084
Mutation Taster		=84/16	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

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Other links and lift over

dbSNP: rs13021;

hg19: chr14-39650924;