chr4-168878082-C-G

Variant names:

• chr4-168878082-C-G
• rs587780757
• ENST00000507735.6:c.191C>G

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_Strong BP6 BS2

The NM_001166110.2(PALLD):​c.191C>G​(p.Ala64Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000117 in 1,448,004 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/15 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

• Frequency:
  • Genomes: 𝑓 0.00018 (0 hom., cov: 32)
  • Exomes 𝑓: 0.00011 (0 hom.)
• Consequence: PALLD NM_001166110.2 missense
• Clinical Significance: Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1 B:3
• Conservation: PhyloP100: 0.826

Genes affected

PALLD (HGNC:17068): (palladin, cytoskeletal associated protein) This gene encodes a cytoskeletal protein that is required for organizing the actin cytoskeleton. The protein is a component of actin-containing microfilaments, and it is involved in the control of cell shape, adhesion, and contraction. Polymorphisms in this gene are associated with a susceptibility to pancreatic cancer type 1, and also with a risk for myocardial infarction. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2009]

CBR4 (HGNC:25891): (carbonyl reductase 4) Enables several functions, including 3-oxoacyl-[acyl-carrier-protein] reductase (NADPH) activity; NADPH binding activity; and NADPH dehydrogenase (quinone) activity. Involved in fatty acid biosynthetic process; glycoside metabolic process; and protein tetramerization. Located in mitochondrial matrix. Part of oxidoreductase complex. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Benign. Variant got -9 ACMG points.

• BP4: Computational evidence support a benign effect (MetaRNN=0.004498929).
• BP6: Variant 4-168878082-C-G is Benign according to our data. Variant chr4-168878082-C-G is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 136001.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Benign=1, Uncertain_significance=1}.
• BS2: High AC in GnomAd4 at 28 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PALLD	NM_001166108.2	c.1965-12840C>G		intron_variant	Intron 10 of 21	ENST00000505667.6	NP_001159580.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PALLD	ENST00000505667.6	c.1965-12840C>G		intron_variant	Intron 10 of 21	1	NM_001166108.2	ENSP00000425556.1

Frequencies

GnomAD3 genomes AF: 0.000184 AC: 28 AN: 151864 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000725

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0000655

Gnomad ASJ AF: 0.00576

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000589

Gnomad OTH AF: 0.00

GnomAD3 exomes AF: 0.000440 AC: 25 AN: 56868 Hom.: 0 AF XY: 0.000460 AC XY: 15 AN XY: 32616

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.000178

Gnomad ASJ exome AF: 0.00448

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.000233

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.000110 AC: 142 AN: 1296140 Hom.: 0 Cov.: 31 AF XY: 0.000132 AC XY: 84 AN XY: 637334

Gnomad4 AFR exome AF: 0.000765

Gnomad4 AMR exome AF: 0.0000898

Gnomad4 ASJ exome AF: 0.00326

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.0000231

Gnomad4 OTH exome AF: 0.000446

GnomAD4 genome AF: 0.000184 AC: 28 AN: 151864 Hom.: 0 Cov.: 32 AF XY: 0.000135 AC XY: 10 AN XY: 74192

Gnomad4 AFR AF: 0.0000725

Gnomad4 AMR AF: 0.0000655

Gnomad4 ASJ AF: 0.00576

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.0000589

Gnomad4 OTH AF: 0.00

Alfa AF: 0.000142 Hom.: 0

Bravo AF: 0.000181

ExAC AF: 0.000353 AC: 6

Asia WGS AF: 0.000584 AC: 2 AN: 3436

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1 Benign:3

Revision: criteria provided, conflicting classifications

Submissions by phenotype

not specified Uncertain:1

Oct 03, 2022

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.191C>G (p.A64G) alteration is located in exon 2 (coding exon 1) of the PALLD gene. This alteration results from a C to G substitution at nucleotide position 191, causing the alanine (A) at amino acid position 64 to be replaced by a glycine (G). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Pancreatic cancer, susceptibility to, 1 Benign:1

Feb 01, 2025

KCCC/NGS Laboratory, Kuwait Cancer Control Center

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Pancreatic adenocarcinoma Benign:1

Sep 16, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

PALLD-related disorder Benign:1

Oct 06, 2020

PreventionGenetics, part of Exact Sciences

Significance: Likely benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Benign	-0.44	T
BayesDel_noAF	Benign	-0.57
CADD	Benign	12
DANN	Benign	0.64
Eigen	Benign	-0.64
Eigen_PC	Benign	-0.62
FATHMM_MKL	Benign	0.41	N
LIST_S2	Benign	0.62	T
M_CAP	Benign	0.023	T
MetaRNN	Benign	0.0045	T
MetaSVM	Benign	-1.0	T
PROVEAN	Benign	-1.6	N
REVEL	Benign	0.073
Sift	Benign	0.20	T
Sift4G	Benign	0.24	T
Vest4		0.053
MVP		0.35
ClinPred		0.017	T
GERP RS		2.7

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

LitVar

Other links and lift over

dbSNP: rs587780757; hg19: chr4-169799233;