D509N Summary

KCNH2 D509N was found in 0 papers (see below) with a total of 1 carrier: 0 had LQT2. D509N is present in 1 out of 251370 alleles in gnomAD (0.000398%). D509N has been functionally characterized in 0 papers. This residue is located in a Non_Hotspot region for LQT2.

In silico predictions, functional data (if available), and location in structure are equivalent to observing 9 individuals unaffected with LQT2 and 1 individuals affected with LQT2.

D509N Reported Clinical Data

PMID Year Carriers Unaffected LQT2 Other disease
Summary totals might not agree with the literature table because of duplicate patients, which were excluded from the total counts.

D509N Predictions

PROVEAN scores less than -2 are considered deleterious. REVEL scores higher than 0.5 or 0.75 is considered likely pathogenic (higher sensitivity with the former cutoff, higher specificity with the latter cutoff). A PolyPhen-2 score of 0.85 or greater is considered likely pathogenic. PAM scores reflect the chemistry difference between WT and variant amino acid (more negative being greater difference between the two). BLAST-PSSM reflects the evolutionary conservation of residue substitutions, more negative numbers indicate fewer observations of the specific substitution than is expected.

PAM Score REVEL Score PROVEAN Score Polyphen2 Score BLAST-PSSM
2 0.934 -4.6 1 1

D509N has 16 neighbors (found in individuals) within 15 ångströms

A residue within a folded protein on average has nearest neighbors that fall roughly into two shells: a "nearest" neighbor around 5-6 angstroms and a second shell around 11 angstroms. NOTE: some residues appear multiple times at different distances. This results from the fact that the functional Kv11.1 channel is a homotetramer and occasionally the same residue from multiple subunits is present within the 15A window. All variants shown in the rightmost column have been observed in at least one individual in the literature or gnomAD.

ResidueNumber Distance(Å) Variants
453 14.1
456 14.4 D456Y
457 12.8 L457P
460 13.6 D460fsX
505 14.5 A505V
506 11.8 I506V
507 8.5 P507L P507S
508 6.3
510 4.5
520 10.9
521 10
522 11.7 G522E
523 14.5
524 11
525 11.2 K525N
528 14.3 R528P R528W R528X