NM_000988.5:c.37G>C

Variant names:

• chr17-42998787-G-C
• rs1289898955
• NM_000988.5:c.37G>C

Variant summary

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

The NM_000988.5(RPL27):​c.37G>C​(p.Val13Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,694 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: RPL27 NM_000988.5 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 9.70
• Publications: 0 publications found

Genes affected

RPL27 (HGNC:10328): (ribosomal protein L27) Ribosomes, the organelles that catalyze protein synthesis, consist of a small 40S subunit and a large 60S subunit. Together these subunits are composed of four RNA species and approximately 80 structurally distinct proteins. This gene encodes a member of the L27e family of ribosomal proteins and a component of the 60S subunit. A splice site mutation in this gene has been identified in a Diamond-Blackfan anemia (DBA) patient. As is typical for genes encoding ribosomal proteins, there are multiple processed pseudogenes of this gene dispersed through the genome. [provided by RefSeq, Mar 2017]

RPL27 Gene-Disease associations (from GenCC):

• Diamond-Blackfan anemia 16

  Inheritance: Unknown, AD Classification: MODERATE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia, Ambry Genetics

LOC124904006 (HGNC:):

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_000988.5. 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
	RPL27	NM_000988.5	MANE Select	c.37G>C	p.Val13Leu	missense	Exon 2 of 5	NP_000979.1	P61353
	RPL27	NM_001349921.2		c.37G>C	p.Val13Leu	missense	Exon 2 of 5	NP_001336850.1	P61353
	RPL27	NM_001349922.2		c.37G>C	p.Val13Leu	missense	Exon 1 of 4	NP_001336851.1	P61353

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RPL27	ENST00000253788.12	TSL:1 MANE Select	c.37G>C	p.Val13Leu	missense	Exon 2 of 5	ENSP00000253788.5	P61353
	RPL27	ENST00000589913.6	TSL:1	c.37G>C	p.Val13Leu	missense	Exon 1 of 4	ENSP00000464813.1	P61353
	RPL27	ENST00000911442.1		c.37G>C	p.Val13Leu	missense	Exon 2 of 6	ENSP00000581501.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.00000398 AC: 1 AN: 251242 AF XY: 0.00

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: 0.00000880

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461694 Hom.: 0 Cov.: 30 AF XY: 0.00 AC XY: 0 AN XY: 727144

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 33466

American (AMR) AF: 0.00 AC: 0 AN: 44710

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26134

East Asian (EAS) AF: 0.00 AC: 0 AN: 39670

South Asian (SAS) AF: 0.00 AC: 0 AN: 86240

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53406

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 8.99e-7 AC: 1 AN: 1111920

Other (OTH) AF: 0.00 AC: 0 AN: 60380

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 33

Alfa AF: 0.0000468 Hom.: 0

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not provided (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.75
BayesDel_addAF	Pathogenic	0.25	D
BayesDel_noAF	Uncertain	0.12
CADD	Pathogenic	27
DANN	Uncertain	0.99
DEOGEN2	Uncertain	0.42	T
Eigen	Benign	0.17
Eigen_PC	Uncertain	0.32
FATHMM_MKL	Pathogenic	0.97	D
LIST_S2	Uncertain	0.95	D
M_CAP	Benign	0.017	T
MetaRNN	Uncertain	0.59	D
MetaSVM	Benign	-0.81	T
MutationAssessor	Uncertain	2.0	M
PhyloP100		9.7
PrimateAI	Pathogenic	0.81	D
PROVEAN	Uncertain	-2.6	D
REVEL	Uncertain	0.51
Sift	Benign	0.24	T
Sift4G	Benign	0.34	T
Polyphen		0.11	B
Vest4		0.83
MutPred		0.60		Loss of methylation at K9 (P = 0.0949)
MVP		0.74
MPC		0.34
ClinPred		0.81	D
GERP RS		4.8
PromoterAI		-0.046	Neutral
RBP_binding_hub_radar		0.92
RBP_regulation_power_radar		2.7
Varity_R		0.58
gMVP		0.75
Mutation Taster		=53/47	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: rs1289898955; hg19: chr17-41150804;