CA11 p.Trp252Cys

Variant names:

• chr19-48639344-C-A
• NM_001217.5:c.756G>T
• CA11 p.Trp252Cys

Your query was ambiguous. Multiple possible variants found:

• chr19-48639344-C-A
• chr19-48639344-C-G

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2 PP3

The NM_001217.5(CA11):​c.756G>T​(p.Trp252Cys) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

• Frequency: Genomes: not found (cov: 31)
• Consequence: CA11 NM_001217.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 6.08
• Publications: 0 publications found

Genes affected

CA11 (HGNC:1370): (carbonic anhydrase 11) Carbonic anhydrases (CAs) are a large family of zinc metalloenzymes that catalyze the reversible hydration of carbon dioxide. They participate in a variety of biological processes, including respiration, calcification, acid-base balance, bone resorption, and the formation of aqueous humor, cerebrospinal fluid, saliva, and gastric acid. They show extensive diversity in tissue distribution and in their subcellular localization. CA XI is likely a secreted protein, however, radical changes at active site residues completely conserved in CA isozymes with catalytic activity, make it unlikely that it has carbonic anhydrase activity. It shares properties in common with two other acatalytic CA isoforms, CA VIII and CA X. CA XI is most abundantly expressed in brain, and may play a general role in the central nervous system. [provided by RefSeq, Jul 2008]

SEC1P (HGNC:):

SEC1P (HGNC:44149): (secretory blood group 1, pseudogene) Predicted to enable galactoside 2-alpha-L-fucosyltransferase activity. Predicted to act upstream of or within protein glycosylation. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: Splicing predictors support a deleterious effect. Scorers claiming Pathogenic: max_spliceai. No scorers claiming Uncertain. No scorers claiming Benign.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001217.5. 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
	CA11	NM_001217.5	MANE Select	c.756G>T	p.Trp252Cys	missense	Exon 7 of 9	NP_001208.2
	CA11	NR_136241.2		n.1311G>T		non_coding_transcript_exon	Exon 7 of 9
	SEC1P	NR_004401.2		n.108+1198C>A		intron	N/A

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CA11	ENST00000084798.9	TSL:1 MANE Select	c.756G>T	p.Trp252Cys	missense	Exon 7 of 9	ENSP00000084798.3	O75493
	SEC1P	ENST00000474419.5	TSL:1	n.76+1198C>A		intron	N/A
	SEC1P	ENST00000483163.1	TSL:1	n.76+1198C>A		intron	N/A

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.99
BayesDel_addAF	Pathogenic	0.45	D
BayesDel_noAF	Pathogenic	0.41
CADD	Pathogenic	35
DANN	Uncertain	0.99
DEOGEN2	Uncertain	0.59	D
Eigen	Pathogenic	0.79
Eigen_PC	Uncertain	0.63
FATHMM_MKL	Uncertain	0.82	D
LIST_S2	Uncertain	0.93	D
M_CAP	Pathogenic	0.33	D
MetaRNN	Pathogenic	0.99	D
MetaSVM	Uncertain	0.70	D
MutationAssessor	Pathogenic	4.2	H
PhyloP100		6.1
PrimateAI	Pathogenic	0.85	D
PROVEAN	Pathogenic	-12	D
REVEL	Pathogenic	0.84
Sift	Pathogenic	0.0	D
Sift4G	Uncertain	0.0030	D
PromoterAI		-0.0028	Neutral
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Varity_R		0.93
gMVP		0.99
Mutation Taster		=14/86	disease causing

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.54		Details are displayed if max score is > 0.2
DS_DG_spliceai		0.54		Position offset: 2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Other links and lift over

hg19: chr19-49142601; COSMIC: COSV99320836; COSMIC: COSV99320836;