rs1268920255

Variant names:

• chr17-8377653-T-G
• rs1268920255
• NM_000987.5:c.349A>C

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4 BS2

The NM_000987.5(RPL26):​c.349A>C​(p.Lys117Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000026 in 1,459,838 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: not found (cov: 33)
  • Exomes 𝑓: 0.000026 (0 hom.)
• Consequence: RPL26 NM_000987.5 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 7.89
• Publications: 0 publications found

Genes affected

RPL26 (HGNC:10327): (ribosomal protein L26) Ribosomes, the organelles that catalyze protein synthesis, consist of a small 40S subunit and a large 60S subunit. Together these subunits are composed of 4 RNA species and approximately 80 structurally distinct proteins. This gene encodes a ribosomal protein that is a component of the 60S subunit. The protein belongs to the L24P family of ribosomal proteins. It is located in the cytoplasm. As is typical for genes encoding ribosomal proteins, there are multiple processed pseudogenes of this gene dispersed through the genome. Mutations in this gene result in Diamond-Blackfan anemia. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2015]

RPL26 Gene-Disease associations (from GenCC):

• Diamond-Blackfan anemia 11

  Inheritance: AD Classification: STRONG, MODERATE, LIMITED Submitted by: G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics, PanelApp Australia
• Diamond-Blackfan anemia

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ENSG00000263809 (HGNC:):

ACMG classification

Our verdict: Likely_benign. The variant received -5 ACMG points.

• BP4: Computational evidence support a benign effect (MetaRNN=0.29943484).
• BS2: High AC in GnomAdExome4 at 38 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000987.5. 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
	RPL26	NM_000987.5	MANE Select	c.349A>C	p.Lys117Gln	missense	Exon 4 of 4	NP_000978.1	P61254
	RPL26	NM_001315530.2		c.349A>C	p.Lys117Gln	missense	Exon 4 of 4	NP_001302459.1	P61254
	RPL26	NM_001315531.2		c.349A>C	p.Lys117Gln	missense	Exon 4 of 4	NP_001302460.1	P61254

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RPL26	ENST00000648839.1	MANE Select	c.349A>C	p.Lys117Gln	missense	Exon 4 of 4	ENSP00000498177.1	P61254
	ENSG00000263809	ENST00000582471.1	TSL:5	n.310-1549A>C		intron	N/A	ENSP00000463847.1	J3QQQ9
	RPL26	ENST00000913691.1		c.373A>C	p.Lys125Gln	missense	Exon 4 of 4	ENSP00000583750.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.00000802 AC: 2 AN: 249326 AF XY: 0.0000148

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.0000176

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000260 AC: 38 AN: 1459838 Hom.: 0 Cov.: 30 AF XY: 0.0000248 AC XY: 18 AN XY: 726304

African (AFR) AF: 0.00 AC: 0 AN: 33472

American (AMR) AF: 0.00 AC: 0 AN: 44700

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26114

East Asian (EAS) AF: 0.00 AC: 0 AN: 39678

South Asian (SAS) AF: 0.00 AC: 0 AN: 86214

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 51966

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5752

European-Non Finnish (NFE) AF: 0.0000333 AC: 37 AN: 1111588

Other (OTH) AF: 0.0000166 AC: 1 AN: 60354

GnomAD4 genome Cov.: 33

Alfa AF: 0.0000712 Hom.: 0

Bravo AF: 0.00000756

EpiCase AF: 0.00

EpiControl AF: 0.0000593

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	Diamond-Blackfan anemia (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.11
BayesDel_addAF	Uncertain	0.018	T
BayesDel_noAF	Benign	-0.20
CADD	Uncertain	26
DANN	Benign	0.97
DEOGEN2	Benign	0.13	T
Eigen	Uncertain	0.23
Eigen_PC	Uncertain	0.31
FATHMM_MKL	Uncertain	0.95	D
LIST_S2	Benign	0.85	T
M_CAP	Benign	0.0096	T
MetaRNN	Benign	0.30	T
MetaSVM	Benign	-0.85	T
MutationAssessor	Benign	1.7	L
PhyloP100		7.9
PrimateAI	Pathogenic	0.83	D
PROVEAN	Benign	-1.3	N
REVEL	Benign	0.12
Sift	Benign	0.17	T
Sift4G	Benign	0.15	T
Polyphen		0.48	P
Vest4		0.59
MVP		0.57
MPC		1.0
ClinPred		0.53	D
GERP RS		4.4
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		2.7
Varity_R		0.26
gMVP		0.70
Mutation Taster		=73/27	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

Other links and lift over

dbSNP: rs1268920255; hg19: chr17-8280971;