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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q8TD43: Variant p.Gly844Asp

Transient receptor potential cation channel subfamily M member 4
Gene: TRPM4
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Variant information Variant position: help 844 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help LP/P [Disclaimer] The variants are classified into three categories: LP/P, LB/B and US.
  • LP/P: likely pathogenic or pathogenic.
  • LB/B: likely benign or benign.
  • US: uncertain significance
Residue change: help From Glycine (G) to Aspartate (D) at position 844 (G844D, p.Gly844Asp). Indicates the amino acid change of the variant. The one-letter and three-letter codes for amino acids used in UniProtKB/Swiss-Prot are those adopted by the commission on Biochemical Nomenclature of the IUPAC-IUB.
Physico-chemical properties: help Change from glycine (G) to medium size and acidic (D) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help -1 The score within a Blosum matrix for the corresponding wild-type to variant amino acid change. The log-odds score measures the logarithm for the ratio of the likelihood of two amino acids appearing by chance. The Blosum62 substitution matrix is used. This substitution matrix contains scores for all possible exchanges of one amino acid with another:
  • Lowest score: -4 (low probability of substitution).
  • Highest score: 11 (high probability of substitution).
More information can be found on the following page
Variant description: help In PFHB1B; right bundle-branch block. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 844 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 1214 The length of the canonical sequence.
Location on the sequence: help LLCEELRQGLSGGGGSLASG G PGPGHASLSQRLRLYLADSW The residue change on the sequence. Unless the variant is located at the beginning or at the end of the protein sequence, both residues upstream (20) and downstream (20) of the variant will be shown.
Residue conservation: help The multiple alignment of the region surrounding the variant against various orthologous sequences. 
Human                         LLCEELRQGLSGGGGSLASGGPGPGHASLSQRLRLYLADSW

Mouse                         LLCEELRQGLGGGWGSLASGGRGPDRAPLRHRLHLYLSDTW

Rat                           LLCEELRQGLGGGWGTLANGGPGPGKAPLRHRLHLYLLDTW
Sequence annotation in neighborhood: help The regions or sites of interest surrounding the variant. In general the features listed are posttranslational modifications, binding sites, enzyme active sites, local secondary structure or other characteristics reported in the cited references. The "Sequence annotation in neighborhood" lines have a fixed format:
  • Type: the type of sequence feature.
  • Positions: endpoints of the sequence feature.
  • Description: contains additional information about the feature.
TypePositionsDescription
Chain 1 – 1214 Transient receptor potential cation channel subfamily M member 4
Topological domain 836 – 863 Cytoplasmic
Binding site 828 – 828
Binding site 831 – 831
Alternative sequence 738 – 882 Missing. In isoform 3.



Literature citations
Gain-of-function mutations in TRPM4 cause autosomal dominant isolated cardiac conduction disease.
Liu H.; El Zein L.; Kruse M.; Guinamard R.; Beckmann A.; Bozio A.; Kurtbay G.; Megarbane A.; Ohmert I.; Blaysat G.; Villain E.; Pongs O.; Bouvagnet P.;
Circ. Cardiovasc. Genet. 3:374-385(2010)
Cited for: VARIANTS PFHB1B TRP-164; THR-432 AND ASP-844; Mutational spectrum in the Ca(2+) -activated cation channel gene TRPM4 in patients with cardiac conductance disturbances.
Stallmeyer B.; Zumhagen S.; Denjoy I.; Duthoit G.; Hebert J.L.; Ferrer X.; Maugenre S.; Schmitz W.; Kirchhefer U.; Schulze-Bahr E.; Guicheney P.; Schulze-Bahr E.;
Hum. Mutat. 33:109-117(2012)
Cited for: VARIANTS PFHB1B HIS-131; ARG-293; THR-432; SER-582; HIS-790; ASP-844; ARG-914 AND SER-970; VARIANTS THR-101; CYS-103; HIS-252; LYS-487 DEL; ALA-561; ARG-854 AND LEU-1204;
Disclaimer: Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. They are not in any way intended to be used as a substitute for professional medical advice, diagnostic, treatment or care.