Mutagenetix > Incidental Mutation

Incidental Mutation 'R8791:Spg20'

670929

Institutional Source

Beutler Lab

Gene Symbol

Spg20

Ensembl Gene

ENSMUSG00000036580

Gene Name

spastic paraplegia 20, spartin (Troyer syndrome) homolog (human)

Synonyms

TAHCCP1

MMRRC Submission

Accession Numbers

Is this an essential gene?

Probably non essential (E-score: 0.232) question?

Stock #

R8791 (G1)

Quality Score

225.009

Status

Validated

Chromosome

Chromosomal Location

55112108-55137322 bp(+) (GRCm38)

Type of Mutation

missense

DNA Base Change (assembly)

A to G at 55121679 bp (GRCm38)

Zygosity

Heterozygous

Amino Acid Change

Aspartic acid to Glycine at position 297 (D297G)

Ref Sequence

ENSEMBL: ENSMUSP00000042367 (fasta)

Gene Model

predicted gene model for transcript(s): [ENSMUST00000044116] [ENSMUST00000107971] [ENSMUST00000117341] [ENSMUST00000118118] [ENSMUST00000146109] [ENSMUST00000149767]

AlphaFold

Q8R1X6

Predicted Effect

probably benign
Transcript: ENSMUST00000044116
AA Change: D297G

PolyPhen 2 Score 0.190 (Sensitivity: 0.92; Specificity: 0.87)

SMART Domains

Protein: ENSMUSP00000042367
Gene: ENSMUSG00000036580
AA Change: D297G

Domain	Start	End	E-Value	Type
MIT	16	94	4.64e-18	SMART
SCOP:d1bw0a_	158	254	8e-4	SMART
low complexity region	369	381	N/A	INTRINSIC
low complexity region	408	426	N/A	INTRINSIC
Pfam:Senescence	431	616	9.7e-52	PFAM

Predicted Effect

probably benign
Transcript: ENSMUST00000107971
AA Change: D297G

PolyPhen 2 Score 0.139 (Sensitivity: 0.92; Specificity: 0.86)

SMART Domains

Protein: ENSMUSP00000103605
Gene: ENSMUSG00000036580
AA Change: D297G

Domain	Start	End	E-Value	Type
MIT	16	94	4.64e-18	SMART
SCOP:d1bw0a_	158	254	9e-4	SMART
low complexity region	351	369	N/A	INTRINSIC
Pfam:Senescence	373	560	3.2e-56	PFAM

Predicted Effect

probably benign
Transcript: ENSMUST00000117341
AA Change: D297G

PolyPhen 2 Score 0.190 (Sensitivity: 0.92; Specificity: 0.87)

SMART Domains

Protein: ENSMUSP00000113968
Gene: ENSMUSG00000036580
AA Change: D297G

Domain	Start	End	E-Value	Type
MIT	16	94	4.64e-18	SMART
SCOP:d1bw0a_	158	254	8e-4	SMART
low complexity region	369	381	N/A	INTRINSIC
low complexity region	408	426	N/A	INTRINSIC
Pfam:Senescence	430	582	9.3e-42	PFAM

Predicted Effect

probably benign
Transcript: ENSMUST00000118118
AA Change: D297G

PolyPhen 2 Score 0.190 (Sensitivity: 0.92; Specificity: 0.87)

SMART Domains

Protein: ENSMUSP00000113621
Gene: ENSMUSG00000036580
AA Change: D297G

Domain	Start	End	E-Value	Type
MIT	16	94	4.64e-18	SMART
SCOP:d1bw0a_	158	254	8e-4	SMART
low complexity region	369	381	N/A	INTRINSIC
low complexity region	408	426	N/A	INTRINSIC
Pfam:Senescence	430	617	3.8e-56	PFAM

Predicted Effect

probably benign
Transcript: ENSMUST00000146109

SMART Domains

Protein: ENSMUSP00000121683
Gene: ENSMUSG00000036580

Domain	Start	End	E-Value	Type
MIT	16	94	4.64e-18	SMART

Predicted Effect

probably benign
Transcript: ENSMUST00000149767

SMART Domains

Protein: ENSMUSP00000119719
Gene: ENSMUSG00000036580

Domain	Start	End	E-Value	Type
MIT	16	92	6.83e-16	SMART

Coding Region Coverage

1x: 100.0%
3x: 100.0%
10x: 99.7%
20x: 99.1%

Validation Efficiency

100% (47/47)

MGI Phenotype

PHENOTYPE: Mice homozygous for a knock-out allele exhibit impaired lipid droplet amintenance, cytokinesis and impaired motor coordination. [provided by MGI curators]

Allele List at MGI

Other mutations in this stock

Total: 47 list
Gene	Ref	Var	Chr/Loc	Mutation	Predicted Effect	Zygosity
2410089E03Rik	A	G	15: 8,187,260	Y654C	probably damaging	Het
4931422A03Rik	G	T	2: 103,992,677	T87K	possibly damaging	Het
Adar	G	A	3: 89,736,138	R442Q	probably benign	Het
Agtr1b	T	A	3: 20,316,116	S109C	probably damaging	Het
Akr1c6	T	A	13: 4,449,374	Y248N	probably benign	Het
Alpk2	A	T	18: 65,305,526	V932E	probably benign	Het
Apba3	T	A	10: 81,269,270	S126T	probably benign	Het
Brca2	T	A	5: 150,542,596	S1942T	possibly damaging	Het
Ccdc149	C	T	5: 52,439,210	C20Y	probably damaging	Het
Cd63	C	A	10: 128,912,202	N156K	probably benign	Het
Clvs1	A	G	4: 9,429,807	E270G	probably damaging	Het
Dgki	A	T	6: 37,019,940	D574E	probably damaging	Het
Esrrb	A	G	12: 86,470,282	S63G	probably damaging	Het
Exoc1	C	T	5: 76,535,565	R46C	probably damaging	Het
Fcgr4	C	A	1: 171,019,908	A25D	probably damaging	Het
Fgf4	T	C	7: 144,861,671	V56A	probably benign	Het
Gfpt2	A	G	11: 49,823,216	I267V	probably benign	Het
Gm20939	A	C	17: 94,877,220	H432P	probably damaging	Het
Gpr179	A	T	11: 97,351,913	L35Q	probably damaging	Het
Idh1	CA	CAA	1: 65,165,188		probably null	Het
Ildr1	T	C	16: 36,708,400	I69T	probably damaging	Het
Lrfn1	A	G	7: 28,459,919	D421G	probably benign	Het
Mmp15	C	T	8: 95,369,660	Q360*	probably null	Het
Nfatc2	T	C	2: 168,536,294	K484E	probably damaging	Het
Nkpd1	G	C	7: 19,524,170	V625L	probably benign	Het
Nlrp4a	C	A	7: 26,444,136		probably benign	Het
Nme9	T	A	9: 99,468,248	I178N	probably damaging	Het
Nrp2	C	T	1: 62,749,197	T352I	probably damaging	Het
Ntrk1	T	C	3: 87,779,683	I723V	probably damaging	Het
Olfr469	C	T	7: 107,823,350	V40M	possibly damaging	Het
Pias3	C	A	3: 96,704,885	Q553K	probably benign	Het
Pnp2	T	G	14: 50,963,416	H119Q	probably benign	Het
Rapgef6	T	A	11: 54,568,469	D156E	probably benign	Het
Rint1	T	C	5: 23,800,596	V92A	probably damaging	Het
Rnf148	A	T	6: 23,654,994	M1K	probably null	Het
Rnh1	C	T	7: 141,162,433	R404H	probably benign	Het
Slc4a8	T	C	15: 100,807,253	V832A	possibly damaging	Het
Snx31	A	T	15: 36,537,532	C167S	probably benign	Het
Spata13	C	T	14: 60,691,826	R278C	probably damaging	Het
Tmc1	T	C	19: 20,789,845	T716A	probably benign	Het
Tpi1	A	G	6: 124,812,520	V164A	probably damaging	Het
Trim17	A	G	11: 58,971,176	S345G	probably benign	Het
Vmn1r199	T	A	13: 22,383,517	L327Q	probably damaging	Het
Washc4	C	T	10: 83,550,884	T124I	probably benign	Het
Wdr76	C	T	2: 121,527,003	T180I	probably benign	Het
Zcchc8	T	C	5: 123,707,299	N333D	probably benign	Het
Zfp516	T	C	18: 82,957,335	S553P	probably damaging	Het

Other mutations in Spg20

Allele	Source	Chr	Coord	Type	Predicted Effect	PPH Score
IGL01160:Spg20	APN	3	55121756	missense	probably damaging	1.00
IGL01539:Spg20	APN	3	55117302	missense	possibly damaging	0.95
IGL01982:Spg20	APN	3	55128490	splice site	probably null
IGL02345:Spg20	APN	3	55117726	splice site	probably null
IGL03217:Spg20	APN	3	55128491	splice site	probably benign
IGL03344:Spg20	APN	3	55121685	missense	probably benign	0.03
BB007:Spg20	UTSW	3	55128276	missense	probably damaging	1.00
BB017:Spg20	UTSW	3	55128276	missense	probably damaging	1.00
R0145:Spg20	UTSW	3	55127671	nonsense	probably null
R0522:Spg20	UTSW	3	55128365	missense	probably damaging	1.00
R1506:Spg20	UTSW	3	55117571	missense	probably damaging	0.99
R2043:Spg20	UTSW	3	55127548	missense	probably damaging	1.00
R2183:Spg20	UTSW	3	55117133	missense	probably benign	0.43
R4022:Spg20	UTSW	3	55117736	missense	probably damaging	1.00
R5154:Spg20	UTSW	3	55117329	missense	probably damaging	1.00
R5869:Spg20	UTSW	3	55135510	missense	probably benign	0.00
R5987:Spg20	UTSW	3	55126541	missense	probably benign	0.00
R6142:Spg20	UTSW	3	55117248	missense	probably damaging	1.00
R6185:Spg20	UTSW	3	55117219	missense	probably damaging	1.00
R6652:Spg20	UTSW	3	55124827	missense	probably benign	0.00
R6791:Spg20	UTSW	3	55127561	missense	probably damaging	1.00
R7131:Spg20	UTSW	3	55121799	critical splice donor site	probably null
R7930:Spg20	UTSW	3	55128276	missense	probably damaging	1.00
R8005:Spg20	UTSW	3	55117352	missense	probably benign	0.00
R8458:Spg20	UTSW	3	55124894	missense	probably damaging	1.00
R8734:Spg20	UTSW	3	55124879	missense	possibly damaging	0.92
R8929:Spg20	UTSW	3	55128558	missense	possibly damaging	0.96
R9060:Spg20	UTSW	3	55124854	missense	probably benign	0.02
R9172:Spg20	UTSW	3	55124846	missense	possibly damaging	0.68
R9539:Spg20	UTSW	3	55127503	missense	probably damaging	1.00
R9695:Spg20	UTSW	3	55126534	missense	probably benign
RF009:Spg20	UTSW	3	55127606	missense	probably benign	0.00
X0018:Spg20	UTSW	3	55135499	missense	probably damaging	1.00

Predicted Primers

PCR Primer
(F):5'- AAATTGGAGCTGCTGGTAGAC -3'
(R):5'- CTCCTTGAAGCTACTTCGGG -3'

Sequencing Primer
(F):5'- GCTGCTGGTAGACCATCTGTAAAAC -3'
(R):5'- AAGCTACTTCGGGTCTTTGAAAGC -3'

Posted On

2021-04-30