Sequence information
Variant position: 891 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: 1980 The length of the canonical sequence.
Location on the sequence:
SVGALGNLTLVLAIIVFIFA
V VGMQLFGKSYKECVCKINQD
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: The multiple alignment of the region surrounding the variant against various orthologous sequences.
Human SVGALGNLTLVLAIIVFIFAV VGMQLFGKSYKECVCKINQD
Mouse SVGALGNLTLVLAIIVFIFAV VGMQLFGKSYKECVCKISQE
Rat SVGALGNLTLVLAIIVFIFAV VGMQLFGKSYKECVCKINQE
Sequence annotation in neighborhood: 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.
Type Positions Description
Chain
1 – 1980
Sodium channel protein type 8 subunit alpha
Transmembrane
874 – 892
Helical; Name=S5 of repeat II
Repeat
735 – 1007
II
Disulfide bond
904 – 904
Interchain; with SCN2B or SCN4B
Disulfide bond
904 – 904
Interchain; with the conotoxin GVIIJ (when the channel is not linked to SCN2B or SCN4B; the bond to SCN2B or SCN4B protects the channel from the inhibition by toxin)
Literature citations
SCN8A mutations in Chinese patients with early onset epileptic encephalopathy and benign infantile seizures.
Wang J.; Gao H.; Bao X.; Zhang Q.; Li J.; Wei L.; Wu X.; Chen Y.; Yu S.;
BMC Med. Genet. 18:104-104(2017)
Cited for: VARIANTS DEE13 PRO-232; GLU-850; MET-891; ARG-1475; ALA-1598; TRP-1872 AND SER-1877;
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.