Mutagenetix > Incidental Mutations

Incidental Mutation 'R8516:Scn1a'

656124

Institutional Source

Beutler Lab

Gene Symbol

Scn1a

Ensembl Gene

ENSMUSG00000064329

Gene Name

sodium channel, voltage-gated, type I, alpha

Synonyms

Nav1.1

MMRRC Submission

Accession Numbers

Is this an essential gene?

Essential (E-score: 1.000) question?

Stock #

R8516 (G1)

Quality Score

225.009

Status

Not validated

Chromosome

Chromosomal Location

66270778-66440840 bp(-) (GRCm38)

Type of Mutation

missense

DNA Base Change (assembly)

C to T at 66326134 bp (GRCm38)

Zygosity

Heterozygous

Amino Acid Change

Glycine to Aspartic acid at position 477 (G477D)

Ref Sequence

ENSEMBL: ENSMUSP00000107985 (fasta)

Gene Model

predicted gene model for transcript(s): [ENSMUST00000077489] [ENSMUST00000094951] [ENSMUST00000112366] [ENSMUST00000112371] [ENSMUST00000138910]

AlphaFold

A2APX8

Predicted Effect

possibly damaging
Transcript: ENSMUST00000077489
AA Change: G477D

PolyPhen 2 Score 0.922 (Sensitivity: 0.81; Specificity: 0.94)

SMART Domains

Protein: ENSMUSP00000076697
Gene: ENSMUSG00000064329
AA Change: G477D

Domain	Start	End	E-Value	Type
low complexity region	23	52	N/A	INTRINSIC
Pfam:Ion_trans	156	422	5.4e-77	PFAM
low complexity region	431	466	N/A	INTRINSIC
Pfam:DUF3451	484	708	5.5e-73	PFAM
Pfam:Ion_trans	791	980	6.8e-47	PFAM
Pfam:Na_trans_assoc	995	1217	1.2e-74	PFAM
Pfam:Ion_trans	1243	1471	1.1e-56	PFAM
PDB:1BYY\|A	1473	1525	4e-31	PDB
Pfam:Ion_trans	1564	1774	1.1e-51	PFAM
Pfam:PKD_channel	1623	1781	3.9e-7	PFAM
low complexity region	1826	1838	N/A	INTRINSIC
IQ	1903	1925	1.65e-2	SMART

Predicted Effect

probably damaging
Transcript: ENSMUST00000094951
AA Change: G477D

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)

SMART Domains

Protein: ENSMUSP00000092558
Gene: ENSMUSG00000064329
AA Change: G477D

Domain	Start	End	E-Value	Type
low complexity region	23	52	N/A	INTRINSIC
Pfam:Ion_trans	156	422	5.3e-77	PFAM
low complexity region	431	466	N/A	INTRINSIC
Pfam:DUF3451	484	691	2e-62	PFAM
Pfam:Ion_trans	774	963	6.7e-47	PFAM
Pfam:Na_trans_assoc	978	1200	1.2e-74	PFAM
Pfam:Ion_trans	1226	1454	1e-56	PFAM
PDB:1BYY\|A	1456	1508	4e-31	PDB
Pfam:Ion_trans	1547	1757	1.1e-51	PFAM
Pfam:PKD_channel	1606	1764	3.8e-7	PFAM
low complexity region	1809	1821	N/A	INTRINSIC
IQ	1886	1908	1.65e-2	SMART

Predicted Effect

possibly damaging
Transcript: ENSMUST00000112366
AA Change: G477D

PolyPhen 2 Score 0.787 (Sensitivity: 0.85; Specificity: 0.93)

SMART Domains

Protein: ENSMUSP00000107985
Gene: ENSMUSG00000064329
AA Change: G477D

Domain	Start	End	E-Value	Type
low complexity region	23	52	N/A	INTRINSIC
Pfam:Ion_trans	127	434	2.8e-82	PFAM
Pfam:Na_trans_cytopl	502	718	2e-91	PFAM
Pfam:Ion_trans	767	1002	6.5e-57	PFAM
Pfam:Na_trans_assoc	1006	1213	1.2e-60	PFAM
Pfam:Ion_trans	1217	1493	3.3e-67	PFAM
Pfam:Ion_trans	1540	1797	6.3e-56	PFAM
Pfam:PKD_channel	1637	1791	1.1e-6	PFAM
low complexity region	1837	1849	N/A	INTRINSIC
IQ	1914	1936	1.65e-2	SMART

Predicted Effect

possibly damaging
Transcript: ENSMUST00000112371
AA Change: G477D

PolyPhen 2 Score 0.922 (Sensitivity: 0.81; Specificity: 0.94)

SMART Domains

Protein: ENSMUSP00000107990
Gene: ENSMUSG00000064329
AA Change: G477D

Domain	Start	End	E-Value	Type
low complexity region	23	52	N/A	INTRINSIC
Pfam:Ion_trans	156	422	5.4e-77	PFAM
low complexity region	431	466	N/A	INTRINSIC
Pfam:DUF3451	484	708	5.5e-73	PFAM
Pfam:Ion_trans	791	980	6.8e-47	PFAM
Pfam:Na_trans_assoc	995	1217	1.2e-74	PFAM
Pfam:Ion_trans	1243	1471	1.1e-56	PFAM
PDB:1BYY\|A	1473	1525	4e-31	PDB
Pfam:Ion_trans	1564	1774	1.1e-51	PFAM
Pfam:PKD_channel	1623	1781	3.9e-7	PFAM
low complexity region	1826	1838	N/A	INTRINSIC
IQ	1903	1925	1.65e-2	SMART

Predicted Effect

possibly damaging
Transcript: ENSMUST00000138910
AA Change: G477D

PolyPhen 2 Score 0.787 (Sensitivity: 0.85; Specificity: 0.93)

SMART Domains

Protein: ENSMUSP00000116881
Gene: ENSMUSG00000064329
AA Change: G477D

Domain	Start	End	E-Value	Type
low complexity region	23	52	N/A	INTRINSIC
transmembrane domain	125	147	N/A	INTRINSIC

Coding Region Coverage

1x: 100.0%
3x: 99.9%
10x: 99.5%
20x: 98.6%

Validation Efficiency

MGI Phenotype

FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Voltage-dependent sodium channels are heteromeric complexes that regulate sodium exchange between intracellular and extracellular spaces and are essential for the generation and propagation of action potentials in muscle cells and neurons. Each sodium channel is composed of a large pore-forming, glycosylated alpha subunit and two smaller beta subunits. This gene encodes a sodium channel alpha subunit, which has four homologous domains, each of which contains six transmembrane regions. Allelic variants of this gene are associated with generalized epilepsy with febrile seizures and epileptic encephalopathy. Alternative splicing results in multiple transcript variants. The RefSeq Project has decided to create four representative RefSeq records. Three of the transcript variants are supported by experimental evidence and the fourth contains alternate 5' untranslated exons, the exact combination of which have not been experimentally confirmed for the full-length transcript. [provided by RefSeq, Oct 2015]
PHENOTYPE: Homozygous null mice show postnatal lethality, seizures and behavioral deficits whereas heterozygotes die prematurely with seizures and abnormal electrophysiology. In addition, knock-in mice exhibit increased susceptibility to febrile and flurothyl-induced seizures, and reduced inhibitory signaling. [provided by MGI curators]

Allele List at MGI

Other mutations in this stock

Total: 58 list
Gene	Ref	Var	Chr/Loc	Mutation	Predicted Effect	Zygosity
Aasdhppt	A	T	9: 4,309,373	S22T	probably benign	Het
Actr8	G	T	14: 29,990,899	A500S	probably benign	Het
Adamtsl1	A	G	4: 86,342,543	Y1005C	probably damaging	Het
Ank3	T	A	10: 69,927,729	Y884*	probably null	Het
Arhgap28	T	C	17: 67,873,073	R306G	probably benign	Het
Atp8a2	A	C	14: 59,691,472	I1044M	probably benign	Het
Bahd1	A	G	2: 118,916,971	Y357C	probably benign	Het
Btd	A	T	14: 31,666,867	T182S	probably damaging	Het
Casc3	C	T	11: 98,822,781	R280C	probably damaging	Het
Cisd2	T	C	3: 135,411,013	T106A	probably damaging	Het
Cldn15	G	T	5: 136,974,696	C184F	probably damaging	Het
Clk4	G	A	11: 51,275,261	R198Q	probably damaging	Het
Coprs	G	T	8: 13,885,065	F163L	probably damaging	Het
Csmd3	G	A	15: 47,629,365	R2216*	probably null	Het
Defb7	A	T	8: 19,497,607	I43F	possibly damaging	Het
Dpp8	C	A	9: 65,078,009	T783K	probably damaging	Het
Eif2s1	G	A	12: 78,881,162	G204D	probably damaging	Het
Elavl4	T	C	4: 110,251,379	N56S	probably damaging	Het
Emilin1	G	A	5: 30,917,171	R252H	probably damaging	Het
Exd1	A	T	2: 119,520,073	L569Q	probably damaging	Het
Gm498	T	A	7: 143,897,274	I342N	probably damaging	Het
Gpn2	C	T	4: 133,584,831	R125C	probably damaging	Het
Gria2	T	C	3: 80,706,987	E582G	probably benign	Het
Hadha	A	T	5: 30,126,584	V458E	probably damaging	Het
Hap1	T	C	11: 100,356,067	K4R	possibly damaging	Het
Hectd4	A	T	5: 121,349,010	H3356L	possibly damaging	Het
Herc2	G	A	7: 56,206,570	V3919I	probably benign	Het
Lgr6	G	T	1: 135,075,283	N76K	probably damaging	Het
Olfr692	A	G	7: 105,368,769	I148V	probably benign	Het
P4ha3	A	G	7: 100,314,662	M462V	probably damaging	Het
Pde3b	A	T	7: 114,526,849	M773L	probably benign	Het
Peak1	T	C	9: 56,260,000	S215G	probably damaging	Het
Pgm5	T	A	19: 24,815,710	M331L	probably benign	Het
Piwil2	A	G	14: 70,420,739	V213A	probably benign	Het
Plch2	T	C	4: 154,986,307	H1205R	probably benign	Het
Pop4	A	T	7: 38,267,402	M85K	probably benign	Het
Ppp3ca	T	A	3: 136,877,768	I212N	probably damaging	Het
Prom1	T	C	5: 44,007,099	K714R	probably benign	Het
Psip1	C	T	4: 83,466,715	G207S	probably benign	Het
Rgs22	A	G	15: 36,010,335	*1259Q	probably null	Het
Sf3b1	T	C	1: 55,012,103	E222G	probably null	Het
Snrpa1	G	A	7: 66,070,633	G195R	probably benign	Het
Spem2	T	C	11: 69,816,895	R415G	possibly damaging	Het
Tmem167	T	A	13: 90,098,396	V13E	probably damaging	Het
Trim2	C	T	3: 84,208,320	A102T	probably damaging	Het
Trim30b	A	G	7: 104,357,404	S82P	probably benign	Het
Uba6	A	C	5: 86,127,748	S760R	possibly damaging	Het
Upf2	T	C	2: 6,018,971	F711L	unknown	Het
Utrn	T	A	10: 12,486,510	D2693V	probably damaging	Het
Vmn1r30	T	G	6: 58,435,124	Y241S	probably damaging	Het
Vmn2r110	A	G	17: 20,574,613	L598P	probably damaging	Het
Wfdc18	T	A	11: 83,709,158	F14Y	probably benign	Het
Wnt10b	A	T	15: 98,772,880	C256S	probably damaging	Het
Xrn1	T	A	9: 96,048,391	Y1554*	probably null	Het
Zc3h12a	T	A	4: 125,119,839	S411C	probably damaging	Het
Zfp112	G	A	7: 24,123,964	G63E	probably benign	Het
Zfp786	A	T	6: 47,820,543	L487Q	probably damaging	Het
Zfp953	T	A	13: 67,345,355	Y75F	possibly damaging	Het

Other mutations in Scn1a

Allele	Source	Chr	Coord	Type	Predicted Effect	PPH Score
IGL00513:Scn1a	APN	2	66335531	critical splice acceptor site	probably null
IGL00650:Scn1a	APN	2	66280793	missense	probably damaging	1.00
IGL00658:Scn1a	APN	2	66286038	missense	probably damaging	1.00
IGL00823:Scn1a	APN	2	66324935	missense	probably benign	0.04
IGL00907:Scn1a	APN	2	66327797	missense	probably damaging	1.00
IGL01339:Scn1a	APN	2	66325960	missense	probably benign	0.09
IGL01401:Scn1a	APN	2	66289111	missense	probably damaging	1.00
IGL01503:Scn1a	APN	2	66322343	missense	probably damaging	1.00
IGL01575:Scn1a	APN	2	66273236	missense	probably damaging	1.00
IGL01598:Scn1a	APN	2	66302485	missense	possibly damaging	0.63
IGL01613:Scn1a	APN	2	66285937	missense	probably damaging	1.00
IGL01796:Scn1a	APN	2	66332301	splice site	probably benign
IGL02079:Scn1a	APN	2	66323360	missense	probably benign	0.14
IGL02171:Scn1a	APN	2	66273199	missense	probably damaging	1.00
IGL02335:Scn1a	APN	2	66277661	missense	possibly damaging	0.93
IGL02406:Scn1a	APN	2	66326036	missense	possibly damaging	0.88
IGL02436:Scn1a	APN	2	66351153	missense	probably benign	0.01
IGL02507:Scn1a	APN	2	66277813	missense	probably damaging	1.00
IGL02646:Scn1a	APN	2	66299618	splice site	probably null
IGL02729:Scn1a	APN	2	66299650	missense	probably damaging	1.00
IGL02740:Scn1a	APN	2	66324762	missense	probably damaging	1.00
IGL02740:Scn1a	APN	2	66318077	missense	probably benign	0.00
IGL02752:Scn1a	APN	2	66331412	missense	probably damaging	1.00
IGL02815:Scn1a	APN	2	66324858	missense	probably damaging	1.00
IGL03163:Scn1a	APN	2	66318074	missense	probably benign	0.00
IGL03229:Scn1a	APN	2	66299713	missense	probably damaging	1.00
IGL03286:Scn1a	APN	2	66277576	missense	probably damaging	0.99
IGL03393:Scn1a	APN	2	66318018	missense	probably benign	0.19
BB008:Scn1a	UTSW	2	66317812	missense	probably damaging	0.99
BB018:Scn1a	UTSW	2	66317812	missense	probably damaging	0.99
PIT4791001:Scn1a	UTSW	2	66273282	missense	probably benign	0.18
R0053:Scn1a	UTSW	2	66299775	missense	probably benign	0.05
R0053:Scn1a	UTSW	2	66299775	missense	probably benign	0.05
R0107:Scn1a	UTSW	2	66324633	missense	probably benign	0.07
R0141:Scn1a	UTSW	2	66289062	missense	probably damaging	1.00
R0485:Scn1a	UTSW	2	66273925	missense	probably damaging	0.98
R0517:Scn1a	UTSW	2	66302407	missense	possibly damaging	0.88
R0532:Scn1a	UTSW	2	66317823	missense	probably damaging	1.00
R0746:Scn1a	UTSW	2	66351126	missense	probably benign	0.25
R0755:Scn1a	UTSW	2	66321035	missense	probably damaging	1.00
R0830:Scn1a	UTSW	2	66299784	missense	probably damaging	1.00
R0846:Scn1a	UTSW	2	66324755	missense	probably benign	0.43
R0918:Scn1a	UTSW	2	66323307	splice site	probably null
R1055:Scn1a	UTSW	2	66337996	missense	probably benign	0.08
R1432:Scn1a	UTSW	2	66322429	missense	probably damaging	1.00
R1497:Scn1a	UTSW	2	66332287	missense	probably damaging	1.00
R1512:Scn1a	UTSW	2	66331285	missense	possibly damaging	0.82
R1525:Scn1a	UTSW	2	66319462	nonsense	probably null
R1567:Scn1a	UTSW	2	66273331	missense	probably damaging	1.00
R1702:Scn1a	UTSW	2	66318223	missense	probably damaging	1.00
R1744:Scn1a	UTSW	2	66322276	missense	probably benign	0.06
R1834:Scn1a	UTSW	2	66324616	missense	probably benign	0.04
R1834:Scn1a	UTSW	2	66324617	missense	probably benign	0.00
R1860:Scn1a	UTSW	2	66317982	missense	probably damaging	0.99
R1871:Scn1a	UTSW	2	66318025	missense	probably damaging	0.98
R1909:Scn1a	UTSW	2	66331352	missense	possibly damaging	0.58
R1967:Scn1a	UTSW	2	66328425	missense	probably damaging	1.00
R1976:Scn1a	UTSW	2	66331271	missense	probably benign	0.02
R2291:Scn1a	UTSW	2	66288968	missense	probably benign	0.44
R2302:Scn1a	UTSW	2	66277745	missense	probably damaging	1.00
R2367:Scn1a	UTSW	2	66327679	missense	probably damaging	1.00
R2418:Scn1a	UTSW	2	66273843	missense	probably damaging	0.98
R2517:Scn1a	UTSW	2	66273832	missense	probably damaging	1.00
R2568:Scn1a	UTSW	2	66273469	missense	probably damaging	1.00
R3083:Scn1a	UTSW	2	66299637	missense	probably damaging	1.00
R3903:Scn1a	UTSW	2	66318132	missense	probably benign	0.08
R3909:Scn1a	UTSW	2	66273988	missense	probably damaging	1.00
R3916:Scn1a	UTSW	2	66277613	missense	probably damaging	1.00
R3935:Scn1a	UTSW	2	66327776	missense	probably damaging	0.99
R3936:Scn1a	UTSW	2	66327776	missense	probably damaging	0.99
R4043:Scn1a	UTSW	2	66326036	missense	possibly damaging	0.60
R4429:Scn1a	UTSW	2	66350985	missense	possibly damaging	0.77
R4495:Scn1a	UTSW	2	66280802	critical splice acceptor site	probably null
R4662:Scn1a	UTSW	2	66350988	missense	probably benign	0.23
R4834:Scn1a	UTSW	2	66328522	nonsense	probably null
R4873:Scn1a	UTSW	2	66328476	missense	possibly damaging	0.92
R4875:Scn1a	UTSW	2	66328476	missense	possibly damaging	0.92
R5099:Scn1a	UTSW	2	66277801	missense	probably damaging	1.00
R5255:Scn1a	UTSW	2	66277669	missense	probably damaging	0.99
R5435:Scn1a	UTSW	2	66273534	missense	probably damaging	1.00
R5449:Scn1a	UTSW	2	66321002	missense	probably damaging	0.96
R5519:Scn1a	UTSW	2	66332213	missense	probably damaging	1.00
R5541:Scn1a	UTSW	2	66324633	missense	probably benign	0.07
R5556:Scn1a	UTSW	2	66324797	missense	probably benign	0.00
R5587:Scn1a	UTSW	2	66273081	missense	probably benign	0.01
R5972:Scn1a	UTSW	2	66351110	missense	possibly damaging	0.65
R5992:Scn1a	UTSW	2	66335456	missense	probably damaging	1.00
R6195:Scn1a	UTSW	2	66277618	missense	possibly damaging	0.59
R6233:Scn1a	UTSW	2	66277618	missense	possibly damaging	0.59
R6328:Scn1a	UTSW	2	66273316	missense	probably damaging	1.00
R6417:Scn1a	UTSW	2	66273198	missense	probably damaging	1.00
R6420:Scn1a	UTSW	2	66273198	missense	probably damaging	1.00
R6421:Scn1a	UTSW	2	66272927	missense	probably damaging	1.00
R6461:Scn1a	UTSW	2	66326122	missense	probably null	0.01
R6701:Scn1a	UTSW	2	66337960	missense	probably damaging	0.99
R6717:Scn1a	UTSW	2	66332287	missense	probably damaging	1.00
R6834:Scn1a	UTSW	2	66327742	missense	probably damaging	1.00
R6918:Scn1a	UTSW	2	66332213	missense	probably damaging	1.00
R6953:Scn1a	UTSW	2	66319469	missense	probably damaging	1.00
R6996:Scn1a	UTSW	2	66287731	missense	probably damaging	1.00
R7022:Scn1a	UTSW	2	66317899	missense	probably damaging	1.00
R7109:Scn1a	UTSW	2	66350942	missense	possibly damaging	0.62
R7115:Scn1a	UTSW	2	66324618	nonsense	probably null
R7239:Scn1a	UTSW	2	66277656	splice site	probably null
R7434:Scn1a	UTSW	2	66273045	missense	probably benign
R7646:Scn1a	UTSW	2	66287758	missense	possibly damaging	0.93
R7711:Scn1a	UTSW	2	66303660	missense	probably benign
R7879:Scn1a	UTSW	2	66286005	nonsense	probably null
R7931:Scn1a	UTSW	2	66317812	missense	probably damaging	0.99
R7962:Scn1a	UTSW	2	66328442	missense	probably damaging	1.00
R8025:Scn1a	UTSW	2	66318213	missense	probably benign	0.02
R8055:Scn1a	UTSW	2	66319501	missense	probably damaging	1.00
R8095:Scn1a	UTSW	2	66302465	missense	possibly damaging	0.93
R8167:Scn1a	UTSW	2	66324838	missense	probably damaging	0.98
R8339:Scn1a	UTSW	2	66286029	missense	probably damaging	1.00
R8363:Scn1a	UTSW	2	66322257	missense	probably damaging	1.00
R8559:Scn1a	UTSW	2	66287733	missense	probably damaging	1.00
R8726:Scn1a	UTSW	2	66303639	missense	probably benign
R8733:Scn1a	UTSW	2	66324600	missense	probably benign
R8779:Scn1a	UTSW	2	66350913	critical splice donor site	probably benign
R8841:Scn1a	UTSW	2	66326122	missense	probably benign	0.09
R8916:Scn1a	UTSW	2	66277783	missense	probably damaging	1.00
R8919:Scn1a	UTSW	2	66337986	missense	probably benign	0.16
R9040:Scn1a	UTSW	2	66317901	missense	probably damaging	0.99
R9086:Scn1a	UTSW	2	66351014	missense	probably benign	0.01
R9176:Scn1a	UTSW	2	66273345	missense	probably damaging	1.00
R9228:Scn1a	UTSW	2	66299755	missense	probably benign	0.10
R9275:Scn1a	UTSW	2	66299682	missense	probably damaging	1.00
R9365:Scn1a	UTSW	2	66318121	missense	probably benign	0.10
Z1176:Scn1a	UTSW	2	66326128	missense	possibly damaging	0.92
Z1177:Scn1a	UTSW	2	66324952	critical splice acceptor site	probably null

Predicted Primers

PCR Primer
(F):5'- AAGAACTCTGCAGTGCGTACC -3'
(R):5'- CATCTAGATGTTGGTTTCAGTTAGC -3'

Sequencing Primer
(F):5'- ACTCTGCAGTGCGTACCTGATG -3'
(R):5'- GCTTGCATTTTGGACATGACACAC -3'

Posted On

2020-10-20