chr6-150143272-G-A

Position:

• chr6-150143272-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM1 PM2

The NM_030949.3(PPP1R14C):​c.80G>A​(p.Arg27Gln) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: PPP1R14C NM_030949.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 7.18

Genes affected

PPP1R14C (HGNC:14952): (protein phosphatase 1 regulatory inhibitor subunit 14C) The degree of protein phosphorylation is regulated by a balance of protein kinase and phosphatase activities. Protein phosphatase-1 (PP1; see MIM 176875) is a signal-transducing phosphatase that influences neuronal activity, protein synthesis, metabolism, muscle contraction, and cell division. PPP1R14C is an inhibitor of PP1 (Liu et al., 2002 [PubMed 11812771]).[supplied by OMIM, Feb 2010]

ACMG classification

Verdict is Uncertain_significance. Variant got 4 ACMG points.

• PM1: In a modified_residue Omega-N-methylarginine (size 0) in uniprot entity PP14C_HUMAN
• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
PPP1R14C	NM_030949.3	c.80G>A	p.Arg27Gln	missense_variant	1/4	ENST00000361131.5	NP_112211.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
PPP1R14C	ENST00000361131.5	c.80G>A	p.Arg27Gln	missense_variant	1/4	1	NM_030949.3	ENSP00000355260	P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 35

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Aug 11, 2022

The c.80G>A (p.R27Q) alteration is located in exon 1 (coding exon 1) of the PPP1R14C gene. This alteration results from a G to A substitution at nucleotide position 80, causing the arginine (R) at amino acid position 27 to be replaced by a glutamine (Q). 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	0.17
BayesDel_addAF	Benign	-0.087	T
BayesDel_noAF	Benign	-0.36
CADD	Benign	21
DANN	Uncertain	1.0
DEOGEN2	Benign	0.12	T
Eigen	Uncertain	0.21
Eigen_PC	Benign	0.14
FATHMM_MKL	Uncertain	0.96	D
LIST_S2	Benign	0.78	T
M_CAP	Uncertain	0.15	D
MetaRNN	Uncertain	0.53	D
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	0.55	N
MutationTaster	Benign	0.94	D
PrimateAI	Pathogenic	0.94	D
PROVEAN	Benign	-0.88	N
REVEL	Benign	0.20
Sift	Benign	0.17	T
Sift4G	Benign	0.36	T
Polyphen		1.0	D
Vest4		0.37
MutPred		0.33		Loss of MoRF binding (P = 0.0102);
MVP		0.74
MPC		0.70
ClinPred		0.92	D
GERP RS		2.8
Varity_R		0.13
gMVP		0.31

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr6-150464408;