NM_003722.5:c.797G>A

Variant summary

Our verdict is Pathogenic. The variant received 19 ACMG points: 19P and 0B. PM1PM2PM5PP2PP3_StrongPP5_Very_Strong

The NM_003722.5(TP63):​c.797G>A​(p.Arg266Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R266G) has been classified as Likely pathogenic.

Frequency

Genomes: not found (cov: 32)

Consequence

TP63
NM_003722.5 missense

Scores

13
5
1

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:8

Conservation

PhyloP100: 9.90

Publications

14 publications found
Variant links:
Genes affected
TP63 (HGNC:15979): (tumor protein p63) This gene encodes a member of the p53 family of transcription factors. The functional domains of p53 family proteins include an N-terminal transactivation domain, a central DNA-binding domain and an oligomerization domain. Alternative splicing of this gene and the use of alternative promoters results in multiple transcript variants encoding different isoforms that vary in their functional properties. These isoforms function during skin development and maintenance, adult stem/progenitor cell regulation, heart development and premature aging. Some isoforms have been found to protect the germline by eliminating oocytes or testicular germ cells that have suffered DNA damage. Mutations in this gene are associated with ectodermal dysplasia, and cleft lip/palate syndrome 3 (EEC3); split-hand/foot malformation 4 (SHFM4); ankyloblepharon-ectodermal defects-cleft lip/palate; ADULT syndrome (acro-dermato-ungual-lacrimal-tooth); limb-mammary syndrome; Rap-Hodgkin syndrome (RHS); and orofacial cleft 8. [provided by RefSeq, Aug 2016]
TP63 Gene-Disease associations (from GenCC):
  • ADULT syndrome
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: G2P, Orphanet
  • ankyloblepharon-ectodermal defects-cleft lip/palate syndrome
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: G2P, Orphanet
  • ectrodactyly, ectodermal dysplasia, and cleft lip-palate syndrome 3
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • limb-mammary syndrome
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: G2P, Orphanet
  • Rapp-Hodgkin syndrome
    Inheritance: AD Classification: DEFINITIVE Submitted by: G2P
  • premature ovarian failure 21
    Inheritance: AD Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics
  • split hand-foot malformation 4
    Inheritance: AD Classification: MODERATE Submitted by: Illumina
  • EEC syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • split hand-foot malformation
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

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ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 19 ACMG points.

PM1
In a strand (size 6) in uniprot entity P63_HUMAN there are 5 pathogenic changes around while only 0 benign (100%) in NM_003722.5
PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr3-189866711-C-G is described in CliVar as Likely_pathogenic. Clinvar id is 3602938.Status of the report is criteria_provided_single_submitter, 1 stars.
PP2
Missense variant in the TP63 gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 73 curated pathogenic missense variants (we use a threshold of 10). The gene has 15 curated benign missense variants. Gene score misZ: 2.2077 (below the threshold of 3.09). Trascript score misZ: 3.5096 (above the threshold of 3.09). GenCC associations: The gene is linked to Rapp-Hodgkin syndrome, ADULT syndrome, premature ovarian failure 21, limb-mammary syndrome, ectrodactyly, ectodermal dysplasia, and cleft lip-palate syndrome 3, ankyloblepharon-ectodermal defects-cleft lip/palate syndrome, EEC syndrome, split hand-foot malformation, split hand-foot malformation 4.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.988
PP5
Variant 3-189866712-G-A is Pathogenic according to our data. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr3-189866712-G-A is described in CliVar as Pathogenic/Likely_pathogenic. Clinvar id is 6550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TP63NM_003722.5 linkc.797G>A p.Arg266Gln missense_variant Exon 6 of 14 ENST00000264731.8 NP_003713.3 Q9H3D4-1A0A0S2Z4N5
TP63NM_001114980.2 linkc.515G>A p.Arg172Gln missense_variant Exon 4 of 12 ENST00000354600.10 NP_001108452.1 Q9H3D4-2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TP63ENST00000264731.8 linkc.797G>A p.Arg266Gln missense_variant Exon 6 of 14 1 NM_003722.5 ENSP00000264731.3 Q9H3D4-1
TP63ENST00000354600.10 linkc.515G>A p.Arg172Gln missense_variant Exon 4 of 12 1 NM_001114980.2 ENSP00000346614.5 Q9H3D4-2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Cov.:
31
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.0000516
Hom.:
0

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:8
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Ectrodactyly, ectodermal dysplasia, and cleft lip-palate syndrome 3 Pathogenic:4
-
Bioscientia Institut fuer Medizinische Diagnostik GmbH, Sonic Healthcare
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Sep 18, 2023
3billion
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The variant is not observed in the gnomAD v2.1.1 dataset. Predicted Consequence/Location: Missense changes are a common disease-causing mechanism. In silico tool predictions suggest damaging effect of the variant on gene or gene product [REVEL: 0.84 (>=0.6, sensitivity 0.68 and specificity 0.92); 3Cnet: 0.97 (>=0.6, sensitivity 0.72 and precision 0.9)]. Same nucleotide change resulting in same amino acid change has been previously reported as pathogenic/likely pathogenic with strong evidence (ClinVar ID: VCV000006550 /PMID: 11462173). Different missense changes at the same codon (p.Arg266Leu, p.Arg266Pro) have been reported to be associated with TP63 related disorder (ClinVar ID: VCV000030348, VCV001486558 /PMID: 21204238). Therefore, this variant is classified as Pathogenic according to the recommendation of ACMG/AMP guideline. -

Apr 04, 2022
MGZ Medical Genetics Center
Significance:Likely pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jan 01, 2011
OMIM
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:literature only

- -

not provided Pathogenic:2
Sep 16, 2018
Gharavi Laboratory, Columbia University
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:research

- -

Feb 24, 2025
GeneDx
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Published functional studies demonstrate a damaging effect as the R226Q variant enhanced transactivation and regulation of mRNA and protein targets (PMID: 18626511); Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Also known as p.R227Q; This variant is associated with the following publications: (PMID: 21204238, 23736768, 17041931, 11462173, 17431922, 26075610, 38357259, 37072394, 17224651, 21652629, 18626511) -

ADULT syndrome Pathogenic:1
Jan 01, 2011
OMIM
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:literature only

- -

TP63-Related Spectrum Disorders Pathogenic:1
Aug 07, 2022
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

For these reasons, this variant has been classified as Pathogenic. Experimental studies are conflicting or provide insufficient evidence to determine the effect of this variant on TP63 function (PMID: 18626511). This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 266 of the TP63 protein (p.Arg266Gln). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with TP63-related conditions (PMID: 11462173). It has also been observed to segregate with disease in related individuals. This variant is also known as R227Q. ClinVar contains an entry for this variant (Variation ID: 6550). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C35"). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.99
BayesDel_addAF
Pathogenic
0.54
D
BayesDel_noAF
Pathogenic
0.54
CADD
Pathogenic
32
DANN
Pathogenic
1.0
DEOGEN2
Pathogenic
0.98
D;.;.;.;.;.;.;.;.;.;.
Eigen
Uncertain
0.60
Eigen_PC
Pathogenic
0.68
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.99
D;D;D;D;D;D;D;D;D;D;D
M_CAP
Pathogenic
0.53
D
MetaRNN
Pathogenic
0.99
D;D;D;D;D;D;D;D;D;D;D
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Uncertain
2.0
M;M;M;M;M;.;.;.;.;.;.
PhyloP100
9.9
PrimateAI
Pathogenic
0.82
D
PROVEAN
Uncertain
-3.6
D;D;D;D;D;D;D;D;D;D;D
REVEL
Pathogenic
0.84
Sift
Uncertain
0.0010
D;D;D;D;D;D;D;D;D;D;D
Sift4G
Uncertain
0.025
D;D;D;D;D;D;D;D;D;D;D
Polyphen
0.79
P;D;P;D;P;P;P;P;.;P;.
Vest4
0.96
MutPred
0.97
Loss of sheet (P = 0.1158);Loss of sheet (P = 0.1158);Loss of sheet (P = 0.1158);Loss of sheet (P = 0.1158);Loss of sheet (P = 0.1158);.;.;.;.;.;.;
MVP
1.0
MPC
0.74
ClinPred
0.98
D
GERP RS
5.6
Varity_R
0.87
gMVP
0.93
Mutation Taster
=0/100
disease causing (ClinVar)

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

Other links and lift over

dbSNP: rs121908849; hg19: chr3-189584501; COSMIC: COSV53200099; COSMIC: COSV53200099; API