Sequence information
Variant position: 223 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: 2005 The length of the canonical sequence.
Location on the sequence:
YVTEFVDLGNVSALRTFRVL
R ALKTISVIPGLKTIVGALIQ
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 YVTEFVDLGNVSALRTFRVLR ALKTISVIPGLKTIVGALIQ
Mouse YVTEFVNLGNVSALRTFRVLR ALKTISVIPGLKTIVGALIQ
Rat YVTEFVNLGNVSALRTFRVLR ALKTISVIPGLKTIVGALIQ
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 – 2005
Sodium channel protein type 2 subunit alpha
Transmembrane
215 – 231
Helical; Name=S4 of repeat I
Repeat
111 – 456
I
Glycosylation
212 – 212
N-linked (GlcNAc...) asparagine
Alternative sequence
209 – 209
D -> N. In isoform 2.
Helix
218 – 226
Literature citations
Benign familial neonatal-infantile seizures: characterization of a new sodium channelopathy.
Berkovic S.F.; Heron S.E.; Giordano L.; Marini C.; Guerrini R.; Kaplan R.E.; Gambardella A.; Steinlein O.K.; Grinton B.E.; Dean J.T.; Bordo L.; Hodgson B.L.; Yamamoto T.; Mulley J.C.; Zara F.; Scheffer I.E.;
Ann. Neurol. 55:550-557(2004)
Cited for: VARIANTS BFIS3 GLN-223; ILE-892; ILE-1003 AND GLN-1319;
Effects in neocortical neurons of mutations of the Na(v)1.2 Na+ channel causing benign familial neonatal-infantile seizures.
Scalmani P.; Rusconi R.; Armatura E.; Zara F.; Avanzini G.; Franceschetti S.; Mantegazza M.;
J. Neurosci. 26:10100-10109(2006)
Cited for: CHARACTERIZATION OF VARIANTS BFIS3 GLN-223; GLN-1319; PHE-1330 AND VAL-1563; FUNCTION;
Genetic testing in benign familial epilepsies of the first year of life: clinical and diagnostic significance.
Zara F.; Specchio N.; Striano P.; Robbiano A.; Gennaro E.; Paravidino R.; Vanni N.; Beccaria F.; Capovilla G.; Bianchi A.; Caffi L.; Cardilli V.; Darra F.; Bernardina B.D.; Fusco L.; Gaggero R.; Giordano L.; Guerrini R.; Incorpora G.; Mastrangelo M.; Spaccini L.; Laverda A.M.; Vecchi M.; Vanadia F.; Veggiotti P.; Viri M.; Occhi G.; Budetta M.; Taglialatela M.; Coviello D.A.; Vigevano F.; Minetti C.;
Epilepsia 54:425-436(2013)
Cited for: VARIANTS BFIS3 GLN-223; LYS-1001; GLN-1319 AND ASN-1641;
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.