Mutagenetix > Incidental Mutation

Incidental Mutation 'R2373:Sptb'

248210

Institutional Source

Beutler Lab

Gene Symbol

Sptb

Ensembl Gene

ENSMUSG00000021061

Gene Name

spectrin beta, erythrocytic

Synonyms

LOC383567, brain erythroid spectrin (235E), spectrin R, D330027P03Rik, Spnb-1, Spnb1

Accession Numbers

Essential gene?

Probably essential (E-score: 0.869) question?

Stock #

R2373 (G1)

Quality Score

225

Status

Not validated

Chromosome

Chromosomal Location

76627262-76757321 bp(-) (GRCm39)

Type of Mutation

missense

DNA Base Change (assembly)

C to T at 76667935 bp (GRCm39)

Zygosity

Heterozygous

Amino Acid Change

Valine to Methionine at position 721 (V721M)

Ref Sequence

ENSEMBL: ENSMUSP00000021458 (fasta)

Gene Model

predicted gene model for transcript(s): [ENSMUST00000021458] [ENSMUST00000166101]

AlphaFold

no structure available at present

Predicted Effect

probably damaging
Transcript: ENSMUST00000021458
AA Change: V721M

PolyPhen 2 Score 0.995 (Sensitivity: 0.68; Specificity: 0.97)

SMART Domains

Protein: ENSMUSP00000021458
Gene: ENSMUSG00000021061
AA Change: V721M

Domain	Start	End	E-Value	Type
CH	56	156	2.73e-26	SMART
CH	175	273	4.57e-28	SMART
SPEC	305	411	2.71e0	SMART
SPEC	425	525	4.65e-23	SMART
SPEC	531	634	4.51e-21	SMART
SPEC	640	740	3.02e-31	SMART
SPEC	746	845	1.47e-20	SMART
SPEC	851	951	1.04e-20	SMART
SPEC	957	1058	7.22e-20	SMART
SPEC	1064	1165	2.06e-24	SMART
SPEC	1171	1271	3.84e-15	SMART
SPEC	1277	1376	2.22e-20	SMART
SPEC	1382	1475	5.04e-10	SMART
SPEC	1481	1581	3.58e-24	SMART
SPEC	1587	1687	4.11e-24	SMART
SPEC	1693	1794	2.91e-24	SMART
SPEC	1800	1900	7.8e-16	SMART
SPEC	1906	2006	3.16e-25	SMART
SPEC	2012	2193	4.32e-9	SMART
PH	2180	2291	8.98e-16	SMART

Predicted Effect

probably damaging
Transcript: ENSMUST00000166101
AA Change: V721M

PolyPhen 2 Score 0.989 (Sensitivity: 0.72; Specificity: 0.97)

SMART Domains

Protein: ENSMUSP00000129782
Gene: ENSMUSG00000021061
AA Change: V721M

Domain	Start	End	E-Value	Type
CH	56	156	2.73e-26	SMART
CH	175	273	4.57e-28	SMART
SPEC	305	411	2.71e0	SMART
SPEC	425	525	4.65e-23	SMART
SPEC	531	634	4.51e-21	SMART
SPEC	640	740	3.02e-31	SMART
SPEC	746	845	1.47e-20	SMART
SPEC	851	951	1.04e-20	SMART
SPEC	957	1058	7.22e-20	SMART
SPEC	1064	1165	2.06e-24	SMART
SPEC	1171	1271	3.84e-15	SMART
SPEC	1277	1376	2.22e-20	SMART
SPEC	1382	1475	5.87e-11	SMART
SPEC	1481	1581	3.58e-24	SMART
SPEC	1587	1687	4.11e-24	SMART
SPEC	1693	1794	2.91e-24	SMART
SPEC	1800	1900	7.8e-16	SMART
SPEC	1906	2006	3.16e-25	SMART
SPEC	2012	2117	1.16e-9	SMART

Coding Region Coverage

1x: 99.1%
3x: 98.4%
10x: 96.9%
20x: 93.7%

Validation Efficiency

MGI Phenotype

FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This locus encodes a member of the spectrin gene family. Spectrin proteins, along with ankyrin, play a role in cell membrane organization and stability. The protein encoded by this locus functions in stability of erythrocyte membranes, and mutations in this gene have been associated with spherocytosis type 2, hereditary elliptocytosis, and neonatal hemolytic anemia. Alternatively spliced transcript variants have been described. [provided by RefSeq, Nov 2009]
PHENOTYPE: Homozygotes for a spontaneous mutation exhibit a severe microcytic anemia with erythrocyte fragility, hepatomegaly, and jaundice. Mutants die within a few days of birth. Heterozygotes are mildly anemic. [provided by MGI curators]

Allele List at MGI

Other mutations in this stock

Total: 28 list
Gene	Ref	Var	Chr/Loc	Mutation	Predicted Effect	Zygosity
1700012B07Rik	G	T	11: 109,684,980 (GRCm39)	C172*	probably null	Het
9130023H24Rik	A	T	7: 127,836,487 (GRCm39)	D35E	probably benign	Het
9330159F19Rik	A	G	10: 29,101,039 (GRCm39)	N471D	probably benign	Het
Ahctf1	A	T	1: 179,623,361 (GRCm39)	F86I	probably damaging	Het
Alpk1	T	C	3: 127,473,457 (GRCm39)	T849A	probably benign	Het
Arfgef1	A	T	1: 10,244,367 (GRCm39)	D965E	probably damaging	Het
Asxl1	A	G	2: 153,243,820 (GRCm39)	T1458A	probably benign	Het
Cdc42bpa	A	T	1: 179,939,349 (GRCm39)	M876L	possibly damaging	Het
Celsr3	G	A	9: 108,719,751 (GRCm39)	R2450H	probably benign	Het
Col12a1	A	T	9: 79,564,095 (GRCm39)	V1710E	probably benign	Het
Corin	G	A	5: 72,496,381 (GRCm39)	S524L	probably damaging	Het
Dennd2c	A	G	3: 103,064,158 (GRCm39)	H658R	probably damaging	Het
Disp3	A	G	4: 148,343,252 (GRCm39)	V553A	probably damaging	Het
Dpm2	T	C	2: 32,462,457 (GRCm39)	F81S	probably benign	Het
Emc2	T	A	15: 43,377,154 (GRCm39)	I239N	probably damaging	Het
Fhip1a	C	T	3: 85,583,404 (GRCm39)	W464*	probably null	Het
Fzd5	C	T	1: 64,774,066 (GRCm39)	G565D	probably damaging	Het
Gpld1	T	C	13: 25,146,839 (GRCm39)	F267S	probably benign	Het
Kif14	C	A	1: 136,407,583 (GRCm39)	A46E	probably damaging	Het
Mta3	G	T	17: 84,091,730 (GRCm39)	E179*	probably null	Het
Ninl	T	G	2: 150,822,037 (GRCm39)	T22P	probably damaging	Het
Pcnx2	T	C	8: 126,480,190 (GRCm39)	N2039S	probably damaging	Het
Rc3h2	A	G	2: 37,269,013 (GRCm39)	S818P	possibly damaging	Het
Scn11a	T	A	9: 119,642,252 (GRCm39)	E162D	probably benign	Het
Slc5a7	A	T	17: 54,584,154 (GRCm39)	W379R	probably damaging	Het
Vmn1r82	T	A	7: 12,038,982 (GRCm39)	V85E	probably damaging	Het
Vmn2r130	T	C	17: 23,280,480 (GRCm39)	I47T	possibly damaging	Het
Vmn2r93	T	A	17: 18,518,665 (GRCm39)	F41L	probably benign	Het

Other mutations in Sptb

Allele	Source	Chr	Coord	Type	Predicted Effect	PPH Score
IGL00159:Sptb	APN	12	76,668,105 (GRCm39)	missense	probably benign	0.00
IGL00160:Sptb	APN	12	76,669,943 (GRCm39)	missense	probably damaging	1.00
IGL00229:Sptb	APN	12	76,667,527 (GRCm39)	missense	probably benign	0.20
IGL00820:Sptb	APN	12	76,679,251 (GRCm39)	missense	probably damaging	1.00
IGL01309:Sptb	APN	12	76,634,237 (GRCm39)	missense	probably benign	0.16
IGL01408:Sptb	APN	12	76,659,921 (GRCm39)	missense	possibly damaging	0.93
IGL01450:Sptb	APN	12	76,671,014 (GRCm39)	missense	possibly damaging	0.89
IGL01455:Sptb	APN	12	76,659,686 (GRCm39)	missense	probably damaging	1.00
IGL01457:Sptb	APN	12	76,659,329 (GRCm39)	splice site	probably benign
IGL01680:Sptb	APN	12	76,677,456 (GRCm39)	missense	probably damaging	1.00
IGL02070:Sptb	APN	12	76,652,313 (GRCm39)	missense	possibly damaging	0.82
IGL02346:Sptb	APN	12	76,667,788 (GRCm39)	missense	probably damaging	1.00
IGL02452:Sptb	APN	12	76,655,810 (GRCm39)	critical splice donor site	probably null
IGL02515:Sptb	APN	12	76,653,261 (GRCm39)	missense	possibly damaging	0.51
IGL02545:Sptb	APN	12	76,654,754 (GRCm39)	critical splice donor site	probably null
IGL02644:Sptb	APN	12	76,652,391 (GRCm39)	missense	probably damaging	1.00
IGL02878:Sptb	APN	12	76,667,527 (GRCm39)	missense	probably benign	0.20
IGL03007:Sptb	APN	12	76,668,115 (GRCm39)	missense	probably damaging	1.00
IGL03220:Sptb	APN	12	76,659,684 (GRCm39)	missense	probably benign	0.06
IGL03343:Sptb	APN	12	76,630,330 (GRCm39)	unclassified	probably benign
IGL03098:Sptb	UTSW	12	76,668,273 (GRCm39)	missense	probably damaging	1.00
PIT4472001:Sptb	UTSW	12	76,667,460 (GRCm39)	missense	probably damaging	1.00
R0047:Sptb	UTSW	12	76,669,724 (GRCm39)	missense	probably damaging	0.99
R0365:Sptb	UTSW	12	76,647,157 (GRCm39)	missense	probably benign	0.12
R0373:Sptb	UTSW	12	76,668,145 (GRCm39)	missense	probably benign	0.03
R0704:Sptb	UTSW	12	76,630,368 (GRCm39)	missense	probably damaging	0.99
R1005:Sptb	UTSW	12	76,648,633 (GRCm39)	critical splice donor site	probably null
R1109:Sptb	UTSW	12	76,650,377 (GRCm39)	missense	probably damaging	1.00
R1264:Sptb	UTSW	12	76,659,381 (GRCm39)	missense	probably damaging	1.00
R1358:Sptb	UTSW	12	76,668,100 (GRCm39)	missense	probably damaging	1.00
R1358:Sptb	UTSW	12	76,668,095 (GRCm39)	frame shift	probably null
R1459:Sptb	UTSW	12	76,658,657 (GRCm39)	missense	probably benign	0.01
R1518:Sptb	UTSW	12	76,650,798 (GRCm39)	missense	possibly damaging	0.95
R1628:Sptb	UTSW	12	76,630,622 (GRCm39)	missense	probably damaging	1.00
R1668:Sptb	UTSW	12	76,667,943 (GRCm39)	missense	probably benign
R1677:Sptb	UTSW	12	76,676,423 (GRCm39)	missense	probably damaging	1.00
R1687:Sptb	UTSW	12	76,650,473 (GRCm39)	missense	possibly damaging	0.95
R1695:Sptb	UTSW	12	76,667,641 (GRCm39)	missense	probably benign	0.10
R1708:Sptb	UTSW	12	76,659,348 (GRCm39)	missense	probably damaging	1.00
R1761:Sptb	UTSW	12	76,659,382 (GRCm39)	missense	probably damaging	0.96
R1925:Sptb	UTSW	12	76,669,027 (GRCm39)	missense	probably damaging	1.00
R2011:Sptb	UTSW	12	76,679,246 (GRCm39)	missense	possibly damaging	0.95
R2517:Sptb	UTSW	12	76,696,643 (GRCm39)	missense	possibly damaging	0.55
R2918:Sptb	UTSW	12	76,645,532 (GRCm39)	missense	probably damaging	0.97
R2961:Sptb	UTSW	12	76,650,356 (GRCm39)	missense	probably benign	0.19
R3409:Sptb	UTSW	12	76,657,589 (GRCm39)	missense	possibly damaging	0.78
R3410:Sptb	UTSW	12	76,657,589 (GRCm39)	missense	possibly damaging	0.78
R3411:Sptb	UTSW	12	76,657,589 (GRCm39)	missense	possibly damaging	0.78
R3744:Sptb	UTSW	12	76,647,174 (GRCm39)	missense	probably benign
R4112:Sptb	UTSW	12	76,644,553 (GRCm39)	missense	probably damaging	0.99
R4177:Sptb	UTSW	12	76,659,953 (GRCm39)	missense	probably benign	0.25
R4194:Sptb	UTSW	12	76,659,784 (GRCm39)	missense	probably benign	0.44
R4301:Sptb	UTSW	12	76,659,471 (GRCm39)	missense	probably damaging	1.00
R4555:Sptb	UTSW	12	76,659,625 (GRCm39)	missense	probably benign	0.03
R4619:Sptb	UTSW	12	76,630,581 (GRCm39)	nonsense	probably null
R4620:Sptb	UTSW	12	76,630,581 (GRCm39)	nonsense	probably null
R4625:Sptb	UTSW	12	76,634,100 (GRCm39)	splice site	probably null
R4728:Sptb	UTSW	12	76,630,153 (GRCm39)	missense	probably benign	0.00
R4751:Sptb	UTSW	12	76,673,884 (GRCm39)	missense	probably benign	0.07
R4810:Sptb	UTSW	12	76,669,971 (GRCm39)	nonsense	probably null
R4888:Sptb	UTSW	12	76,655,811 (GRCm39)	missense	probably benign	0.00
R4894:Sptb	UTSW	12	76,671,768 (GRCm39)	critical splice donor site	probably null
R5114:Sptb	UTSW	12	76,656,052 (GRCm39)	missense	probably damaging	1.00
R5191:Sptb	UTSW	12	76,659,608 (GRCm39)	missense	probably benign	0.12
R5479:Sptb	UTSW	12	76,646,625 (GRCm39)	missense	probably benign	0.04
R5646:Sptb	UTSW	12	76,634,215 (GRCm39)	missense	probably benign
R5725:Sptb	UTSW	12	76,669,888 (GRCm39)	missense	probably benign	0.25
R5727:Sptb	UTSW	12	76,669,888 (GRCm39)	missense	probably benign	0.25
R5797:Sptb	UTSW	12	76,650,473 (GRCm39)	missense	possibly damaging	0.95
R5874:Sptb	UTSW	12	76,645,501 (GRCm39)	missense	possibly damaging	0.91
R5952:Sptb	UTSW	12	76,679,158 (GRCm39)	missense	probably benign	0.02
R5956:Sptb	UTSW	12	76,650,942 (GRCm39)	missense	probably benign
R6298:Sptb	UTSW	12	76,667,428 (GRCm39)	critical splice donor site	probably null
R6470:Sptb	UTSW	12	76,659,603 (GRCm39)	missense	probably damaging	1.00
R6477:Sptb	UTSW	12	76,653,166 (GRCm39)	missense	probably damaging	1.00
R6736:Sptb	UTSW	12	76,659,954 (GRCm39)	missense	possibly damaging	0.49
R6854:Sptb	UTSW	12	76,650,254 (GRCm39)	missense	probably damaging	1.00
R6969:Sptb	UTSW	12	76,654,781 (GRCm39)	missense	probably damaging	1.00
R6987:Sptb	UTSW	12	76,660,021 (GRCm39)	missense	probably benign	0.00
R7023:Sptb	UTSW	12	76,671,862 (GRCm39)	missense	probably damaging	1.00
R7366:Sptb	UTSW	12	76,650,968 (GRCm39)	missense	probably damaging	1.00
R7379:Sptb	UTSW	12	76,657,651 (GRCm39)	missense	probably damaging	1.00
R7389:Sptb	UTSW	12	76,671,003 (GRCm39)	missense	probably damaging	0.98
R7392:Sptb	UTSW	12	76,671,003 (GRCm39)	missense	probably damaging	0.98
R7477:Sptb	UTSW	12	76,675,339 (GRCm39)	missense	probably damaging	1.00
R7653:Sptb	UTSW	12	76,675,271 (GRCm39)	missense	probably benign	0.06
R7684:Sptb	UTSW	12	76,658,969 (GRCm39)	missense	probably benign	0.06
R7733:Sptb	UTSW	12	76,644,695 (GRCm39)	splice site	probably null
R7846:Sptb	UTSW	12	76,655,300 (GRCm39)	nonsense	probably null
R8048:Sptb	UTSW	12	76,675,333 (GRCm39)	missense	probably benign	0.02
R8261:Sptb	UTSW	12	76,668,036 (GRCm39)	missense	probably benign	0.06
R8324:Sptb	UTSW	12	76,665,936 (GRCm39)	missense	possibly damaging	0.73
R8512:Sptb	UTSW	12	76,648,826 (GRCm39)	missense	possibly damaging	0.51
R8515:Sptb	UTSW	12	76,658,815 (GRCm39)	missense	probably benign	0.10
R8558:Sptb	UTSW	12	76,659,561 (GRCm39)	missense	probably benign	0.09
R8872:Sptb	UTSW	12	76,658,813 (GRCm39)	missense	probably benign	0.37
R8907:Sptb	UTSW	12	76,634,186 (GRCm39)	missense	probably benign	0.16
R9047:Sptb	UTSW	12	76,679,308 (GRCm39)	splice site	probably benign
R9079:Sptb	UTSW	12	76,677,454 (GRCm39)	missense	probably damaging	1.00
R9166:Sptb	UTSW	12	76,673,776 (GRCm39)	missense	probably damaging	0.96
R9381:Sptb	UTSW	12	76,634,292 (GRCm39)	missense	probably benign
R9601:Sptb	UTSW	12	76,667,763 (GRCm39)	missense	probably damaging	1.00
R9680:Sptb	UTSW	12	76,677,489 (GRCm39)	missense	probably damaging	1.00
R9771:Sptb	UTSW	12	76,650,353 (GRCm39)	missense	probably damaging	1.00
X0057:Sptb	UTSW	12	76,677,513 (GRCm39)	missense	probably benign
Z1176:Sptb	UTSW	12	76,667,507 (GRCm39)	nonsense	probably null
Z1177:Sptb	UTSW	12	76,653,219 (GRCm39)	missense	probably benign	0.22
Z1177:Sptb	UTSW	12	76,630,358 (GRCm39)	missense	probably damaging	1.00

Predicted Primers

PCR Primer
(F):5'- CCAGGAACTCCTTGTGCTTC -3'
(R):5'- ATGAGGCCGAAAGCTGGATC -3'

Sequencing Primer
(F):5'- GTGCTTCTTTCCCAGGGC -3'
(R):5'- GAGCAGATCTACTCCTCCCTGG -3'

Posted On

2014-11-11