rs121912753
Positions:
Variant summary
Our verdict is Likely pathogenic. Variant got 9 ACMG points: 9P and 0B. PM1PM2PP3_StrongPP5
The ENST00000262418.12(SLC4A1):āc.2317T>Cā(p.Ser773Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,684 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars).
Frequency
Genomes: not found (cov: 32)
Exomes š: 6.8e-7 ( 0 hom. )
Consequence
SLC4A1
ENST00000262418.12 missense
ENST00000262418.12 missense
Scores
12
6
1
Clinical Significance
Conservation
PhyloP100: 7.39
Genes affected
SLC4A1 (HGNC:11027): (solute carrier family 4 member 1 (Diego blood group)) The protein encoded by this gene is part of the anion exchanger (AE) family and is expressed in the erythrocyte plasma membrane, where it functions as a chloride/bicarbonate exchanger involved in carbon dioxide transport from tissues to lungs. The protein comprises two domains that are structurally and functionally distinct. The N-terminal 40kDa domain is located in the cytoplasm and acts as an attachment site for the red cell skeleton by binding ankyrin. The glycosylated C-terminal membrane-associated domain contains 12-14 membrane spanning segments and carries out the stilbene disulphonate-sensitive exchange transport of anions. The cytoplasmic tail at the extreme C-terminus of the membrane domain binds carbonic anhydrase II. The encoded protein associates with the red cell membrane protein glycophorin A and this association promotes the correct folding and translocation of the exchanger. This protein is predominantly dimeric but forms tetramers in the presence of ankyrin. Many mutations in this gene are known in man, and these mutations can lead to two types of disease: destabilization of red cell membrane leading to hereditary spherocytosis, and defective kidney acid secretion leading to distal renal tubular acidosis. Other mutations that do not give rise to disease result in novel blood group antigens, which form the Diego blood group system. Southeast Asian ovalocytosis (SAO, Melanesian ovalocytosis) results from the heterozygous presence of a deletion in the encoded protein and is common in areas where Plasmodium falciparum malaria is endemic. One null mutation in this gene is known, resulting in very severe anemia and nephrocalcinosis. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Likely_pathogenic. Variant got 9 ACMG points.
PM1
In a helix (size 19) in uniprot entity B3AT_HUMAN there are 5 pathogenic changes around while only 0 benign (100%) in ENST00000262418.12
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.99
PP5
Variant 17-44251583-A-G is Pathogenic according to our data. Variant chr17-44251583-A-G is described in ClinVar as [Pathogenic]. Clinvar id is 17778.Status of the report is no_assertion_criteria_provided, 0 stars.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
SLC4A1 | NM_000342.4 | c.2317T>C | p.Ser773Pro | missense_variant | 18/20 | ENST00000262418.12 | NP_000333.1 | |
SLC4A1 | XM_011525129.3 | c.2227T>C | p.Ser743Pro | missense_variant | 17/19 | XP_011523431.1 | ||
SLC4A1 | XM_005257593.6 | c.2122T>C | p.Ser708Pro | missense_variant | 16/18 | XP_005257650.1 | ||
SLC4A1 | XM_011525130.2 | c.*27T>C | 3_prime_UTR_variant | 18/18 | XP_011523432.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
SLC4A1 | ENST00000262418.12 | c.2317T>C | p.Ser773Pro | missense_variant | 18/20 | 1 | NM_000342.4 | ENSP00000262418 | P1 | |
SLC4A1 | ENST00000399246.3 | c.1219T>C | p.Ser407Pro | missense_variant | 13/15 | 5 | ENSP00000382190 |
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD3 genomes
Cov.:
32
GnomAD4 exome AF: 6.84e-7 AC: 1AN: 1461684Hom.: 0 Cov.: 34 AF XY: 0.00000138 AC XY: 1AN XY: 727114
GnomAD4 exome
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1
AN:
1461684
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Cov.:
34
AF XY:
AC XY:
1
AN XY:
727114
Gnomad4 AFR exome
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GnomAD4 genome Cov.: 32
GnomAD4 genome
Cov.:
32
ClinVar
Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: no assertion criteria provided
LINK: link
Submissions by phenotype
Renal tubular acidosis, distal, with normal red cell morphology Pathogenic:1
Pathogenic, no assertion criteria provided | literature only | OMIM | Jul 01, 2004 | - - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
CADD
Pathogenic
DANN
Uncertain
DEOGEN2
Pathogenic
D;T
Eigen
Pathogenic
Eigen_PC
Pathogenic
FATHMM_MKL
Pathogenic
D
LIST_S2
Pathogenic
D;D
M_CAP
Uncertain
D
MetaRNN
Pathogenic
D;D
MetaSVM
Pathogenic
D
MutationAssessor
Pathogenic
H;.
MutationTaster
Benign
A
PrimateAI
Uncertain
T
PROVEAN
Uncertain
D;.
REVEL
Pathogenic
Sift
Uncertain
D;.
Sift4G
Uncertain
D;D
Polyphen
D;.
Vest4
MutPred
Loss of helix (P = 0.0444);.;
MVP
MPC
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at