Mutagenetix > Incidental Mutation

Incidental Mutation 'PIT4472001:Sptb'

555877

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 #

PIT4472001 (G1)

Quality Score

225.009

Status

Not validated

Chromosome

Chromosomal Location

76627262-76757321 bp(-) (GRCm39)

Type of Mutation

missense

DNA Base Change (assembly)

G to A at 76667460 bp (GRCm39)

Zygosity

Heterozygous

Amino Acid Change

Threonine to Methionine at position 879 (T879M)

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: T879M

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)

SMART Domains

Protein: ENSMUSP00000021458
Gene: ENSMUSG00000021061
AA Change: T879M

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: T879M

PolyPhen 2 Score 0.991 (Sensitivity: 0.71; Specificity: 0.97)

SMART Domains

Protein: ENSMUSP00000129782
Gene: ENSMUSG00000021061
AA Change: T879M

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: 93.7%
3x: 90.8%
10x: 84.2%
20x: 70.1%

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: 47 list
Gene	Ref	Var	Chr/Loc	Mutation	Predicted Effect	Zygosity
A4gnt	C	A	9: 99,502,613 (GRCm39)	P258T	probably damaging	Het
Arvcf	T	C	16: 18,221,699 (GRCm39)	V714A	possibly damaging	Het
Bcas3	A	G	11: 85,422,726 (GRCm39)	I532V	probably damaging	Het
Cbr1	T	A	16: 93,406,692 (GRCm39)	V136E	probably damaging	Het
Ccdc27	T	C	4: 154,126,184 (GRCm39)	M102V	unknown	Het
Ccr1	T	C	9: 123,763,765 (GRCm39)	Y255C	probably damaging	Het
Cd300e	T	A	11: 114,945,336 (GRCm39)	I153F	possibly damaging	Het
Chd7	C	T	4: 8,753,101 (GRCm39)	L533F	unknown	Het
Cpvl	A	T	6: 53,873,464 (GRCm39)	F424Y	possibly damaging	Het
Cxcl16	C	T	11: 70,349,625 (GRCm39)	G80R	probably damaging	Het
Cyp2g1	T	C	7: 26,513,619 (GRCm39)	V186A	probably benign	Het
Cyp4f15	T	A	17: 32,921,798 (GRCm39)	M490K	probably damaging	Het
D630045J12Rik	A	T	6: 38,155,774 (GRCm39)	V1160D	probably damaging	Het
Dennd2b	G	A	7: 109,130,337 (GRCm39)	A888V	probably damaging	Het
Fbn1	T	C	2: 125,148,421 (GRCm39)	D2609G	possibly damaging	Het
Fgf5	T	A	5: 98,409,838 (GRCm39)	V129E	probably damaging	Het
Fhl5	C	A	4: 25,211,194 (GRCm39)	C166F	probably damaging	Het
Frem1	G	A	4: 82,890,374 (GRCm39)	T1035I	probably benign	Het
Gcnt2	G	A	13: 41,071,413 (GRCm39)	V19M	probably benign	Het
Gga1	C	A	15: 78,777,836 (GRCm39)	A595D	probably damaging	Het
Gpaa1	C	T	15: 76,218,940 (GRCm39)	T594I	probably benign	Het
Gskip	C	T	12: 105,651,121 (GRCm39)		probably benign	Het
Ighv1-72	A	G	12: 115,721,620 (GRCm39)	V112A	probably damaging	Het
Krt16	T	A	11: 100,138,732 (GRCm39)	T185S	probably benign	Het
Lama1	T	C	17: 68,071,699 (GRCm39)	V862A		Het
Lats2	A	C	14: 57,936,814 (GRCm39)	Y558*	probably null	Het
Mast4	G	A	13: 102,941,226 (GRCm39)	T277M	probably damaging	Het
Mnx1	T	C	5: 29,679,105 (GRCm39)	E326G	unknown	Het
Mtmr10	A	G	7: 63,983,106 (GRCm39)	E471G	probably benign	Het
Or5p64	C	T	7: 107,855,310 (GRCm39)	V12M	possibly damaging	Het
Otog	G	A	7: 45,945,273 (GRCm39)	V2177M	probably damaging	Het
Ovgp1	A	G	3: 105,894,306 (GRCm39)	E693G	unknown	Het
Pclo	T	C	5: 14,763,182 (GRCm39)	M600T	possibly damaging	Het
Pdgfra	T	A	5: 75,340,907 (GRCm39)	M622K	probably damaging	Het
Pdxdc1	A	G	16: 13,663,209 (GRCm39)	L428P	probably damaging	Het
Pfkfb4	T	C	9: 108,828,222 (GRCm39)	Y86H	probably benign	Het
Pik3cg	A	G	12: 32,254,983 (GRCm39)	Y335H	probably damaging	Het
Podnl1	G	A	8: 84,854,477 (GRCm39)	V150M		Het
Pou4f3	A	G	18: 42,527,717 (GRCm39)	M4V	probably benign	Het
Ppp1r13b	G	A	12: 111,799,074 (GRCm39)	R864C	probably damaging	Het
R3hdm4	A	G	10: 79,749,389 (GRCm39)		probably null	Het
Skil	T	A	3: 31,152,381 (GRCm39)	V301D	probably damaging	Het
Strip1	G	A	3: 107,535,486 (GRCm39)	A79V	probably benign	Het
Tpgs2	G	A	18: 25,301,652 (GRCm39)	T5M	possibly damaging	Het
Trim34a	T	A	7: 103,897,155 (GRCm39)	L73Q	probably damaging	Het
Trpv4	T	A	5: 114,764,984 (GRCm39)	T677S	probably damaging	Het
Vmn2r23	A	G	6: 123,689,936 (GRCm39)	T271A	possibly damaging	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
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
R2373:Sptb	UTSW	12	76,667,935 (GRCm39)	missense	probably damaging	1.00
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'- AACCCCTTTGTCTCCAGAAC -3'
(R):5'- TTTCGAGATTCCCCAGATGTAAC -3'

Sequencing Primer
(F):5'- TCTCCAGAACTATGAAGTGCCAGTG -3'
(R):5'- GATGTAACAAACCGACTCCAGG -3'

Posted On

2019-06-07