21-43676759-G-A

Variant names:

• chr21-43676759-G-A
• rs1313799906
• NM_015056.3:c.641G>A

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_015056.3(RRP1B):​c.641G>A​(p.Arg214Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000041 in 1,461,836 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 0.0000041 (0 hom.)
• Consequence: RRP1B NM_015056.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.304
• Publications: 0 publications found

Genes affected

RRP1B (HGNC:23818): (ribosomal RNA processing 1B) Enables transcription coactivator activity. Involved in several processes, including cellular response to virus; positive regulation by host of viral transcription; and positive regulation of transcription by RNA polymerase II. Located in chromosome; granular component; and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.10134107).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_015056.3. 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
	RRP1B	NM_015056.3	MANE Select	c.641G>A	p.Arg214Gln	missense	Exon 8 of 16	NP_055871.1	Q14684-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RRP1B	ENST00000340648.6	TSL:1 MANE Select	c.641G>A	p.Arg214Gln	missense	Exon 8 of 16	ENSP00000339145.4	Q14684-1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.0000119 AC: 3 AN: 251406 AF XY: 0.00000736

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.000198

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00000879

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000410 AC: 6 AN: 1461836 Hom.: 0 Cov.: 31 AF XY: 0.00000413 AC XY: 3 AN XY: 727218

African (AFR) AF: 0.00 AC: 0 AN: 33476

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.0000765 AC: 2 AN: 26134

East Asian (EAS) AF: 0.0000252 AC: 1 AN: 39700

South Asian (SAS) AF: 0.0000116 AC: 1 AN: 86252

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53420

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5736

European-Non Finnish (NFE) AF: 0.00000180 AC: 2 AN: 1112004

Other (OTH) AF: 0.00 AC: 0 AN: 60390

GnomAD4 genome Cov.: 33

Alfa AF: 0.000111 Hom.: 0

ClinVar

ClinVar submissions as Germline

Significance: Uncertain significance

Revision: criteria provided, single submitter

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

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.092
BayesDel_addAF	Benign	-0.25	T
BayesDel_noAF	Benign	-0.59
CADD	Benign	14
DANN	Benign	0.97
DEOGEN2	Benign	0.027	T
Eigen	Benign	-0.97
Eigen_PC	Benign	-0.98
FATHMM_MKL	Benign	0.065	N
LIST_S2	Benign	0.73	T
M_CAP	Benign	0.012	T
MetaRNN	Benign	0.10	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	0.59	N
PhyloP100		0.30
PrimateAI	Benign	0.28	T
PROVEAN	Benign	-1.8	N
REVEL	Benign	0.017
Sift4G	Benign	0.53	T
Polyphen		0.34	B
Vest4		0.25
MutPred		0.52		Loss of MoRF binding (P = 0.1703)
MVP		0.30
MPC		0.92
ClinPred		0.14	T
GERP RS		0.50
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1
Varity_R		0.22
gMVP		0.12
Mutation Taster		=96/4	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.080		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: rs1313799906; hg19: chr21-45096640;