Mutagenetix > Incidental Mutation

Incidental Mutation 'R5523:Top1'

431650

Institutional Source

Beutler Lab

Gene Symbol

Top1

Ensembl Gene

ENSMUSG00000070544

Gene Name

topoisomerase (DNA) I

Synonyms

D130064I21Rik, Top-1

MMRRC Submission

043265-MU

Accession Numbers

Essential gene?

Essential (E-score: 1.000) question?

Stock #

R5523 (G1)

Quality Score

225

Status

Not validated

Chromosome

Chromosomal Location

160487901-160564684 bp(+) (GRCm39)

Type of Mutation

nonsense

DNA Base Change (assembly)

T to A at 160544695 bp (GRCm39)

Zygosity

Heterozygous

Amino Acid Change

Tyrosine to Stop codon at position 270 (Y270*)

Ref Sequence

ENSEMBL: ENSMUSP00000105094 (fasta)

Gene Model

predicted gene model for transcript(s): [ENSMUST00000109468]

AlphaFold

Q04750

Predicted Effect

probably null
Transcript: ENSMUST00000109468
AA Change: Y270*

SMART Domains

Protein: ENSMUSP00000105094
Gene: ENSMUSG00000070544
AA Change: Y270*

Domain	Start	End	E-Value	Type
low complexity region	20	95	N/A	INTRINSIC
low complexity region	150	211	N/A	INTRINSIC
Blast:TOPEUc	245	321	9e-19	BLAST
low complexity region	323	339	N/A	INTRINSIC
TOPEUc	362	739	4.43e-280	SMART

Predicted Effect

noncoding transcript
Transcript: ENSMUST00000164510

Coding Region Coverage

1x: 98.3%
3x: 97.3%
10x: 95.4%
20x: 91.4%

Validation Efficiency

MGI Phenotype

FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a DNA topoisomerase, an enzyme that controls and alters the topologic states of DNA during transcription. This enzyme catalyzes the transient breaking and rejoining of a single strand of DNA which allows the strands to pass through one another, thus altering the topology of DNA. This gene is localized to chromosome 20 and has pseudogenes which reside on chromosomes 1 and 22. [provided by RefSeq, Jul 2008]
PHENOTYPE: A homozygous mutation resulted in early embryonic lethality at the 4 to 16 cell stage of development. [provided by MGI curators]

Allele List at MGI

Other mutations in this stock

Total: 71 list
Gene	Ref	Var	Chr/Loc	Mutation	Predicted Effect	Zygosity
Acadm	G	A	3: 153,644,273 (GRCm39)	T70M	probably benign	Het
Adamtsl3	G	A	7: 82,223,650 (GRCm39)	A218T	possibly damaging	Het
Ahnak2	T	C	12: 112,741,642 (GRCm39)	D810G	probably damaging	Het
Ak7	T	A	12: 105,707,341 (GRCm39)	L315*	probably null	Het
Apoa5	T	C	9: 46,181,887 (GRCm39)	F321S	possibly damaging	Het
Baiap2l1	G	C	5: 144,212,768 (GRCm39)	P416A	probably damaging	Het
Bco1	A	G	8: 117,835,432 (GRCm39)	I128V	possibly damaging	Het
Bpifb2	T	C	2: 153,717,905 (GRCm39)		probably benign	Het
Cdt1	G	A	8: 123,294,832 (GRCm39)	R13H	possibly damaging	Het
Cenpj	A	G	14: 56,789,880 (GRCm39)	V723A	probably benign	Het
Chl1	T	A	6: 103,685,675 (GRCm39)	W849R	probably damaging	Het
Cpne9	A	G	6: 113,267,192 (GRCm39)	D169G	probably damaging	Het
Cyp2d22	A	G	15: 82,256,772 (GRCm39)	V334A	probably damaging	Het
Cyp4f39	C	A	17: 32,689,807 (GRCm39)	N84K	probably benign	Het
Cyp4f40	T	A	17: 32,888,796 (GRCm39)	F192I	probably damaging	Het
Disp3	T	C	4: 148,342,554 (GRCm39)	D632G	probably benign	Het
Dnhd1	G	A	7: 105,352,416 (GRCm39)	R2523Q	probably damaging	Het
Echs1	G	T	7: 139,692,426 (GRCm39)	T107K	probably benign	Het
Ehmt2	C	T	17: 35,118,067 (GRCm39)	R40*	probably null	Het
Ergic1	G	A	17: 26,843,580 (GRCm39)	V17I	probably damaging	Het
Fank1	G	T	7: 133,478,569 (GRCm39)	C210F	probably damaging	Het
Fbxo15	T	G	18: 84,978,194 (GRCm39)	M136R	probably damaging	Het
Ggcx	C	A	6: 72,401,017 (GRCm39)	P240H	probably damaging	Het
Gpr179	T	C	11: 97,227,608 (GRCm39)	R1516G	probably benign	Het
Gprin3	G	A	6: 59,330,931 (GRCm39)	Q459*	probably null	Het
Hadha	C	A	5: 30,350,252 (GRCm39)	V99F	possibly damaging	Het
Hirip3	A	G	7: 126,463,034 (GRCm39)	D330G	possibly damaging	Het
Irx2	T	C	13: 72,779,714 (GRCm39)	W333R	probably damaging	Het
Kansl1l	T	C	1: 66,841,271 (GRCm39)	T10A	probably benign	Het
Kcnd2	T	C	6: 21,723,211 (GRCm39)	I467T	probably benign	Het
Klc3	A	T	7: 19,130,932 (GRCm39)	I215N	probably damaging	Het
Kmt2c	A	G	5: 25,504,337 (GRCm39)	V3657A	probably benign	Het
Lin28b	A	T	10: 45,345,164 (GRCm39)	L54*	probably null	Het
Mgll	T	C	6: 88,702,743 (GRCm39)	V14A	probably benign	Het
Mrc2	A	G	11: 105,234,408 (GRCm39)	N976S	probably benign	Het
Myh8	C	A	11: 67,196,788 (GRCm39)	A1807E	possibly damaging	Het
Nalcn	G	A	14: 123,647,155 (GRCm39)	P573S	probably damaging	Het
Ncam2	C	T	16: 81,231,766 (GRCm39)	R77*	probably null	Het
Neb	T	C	2: 52,168,827 (GRCm39)	S1903G	probably benign	Het
Nfe2	T	A	15: 103,157,556 (GRCm39)	D145V	probably damaging	Het
Or52a20	T	A	7: 103,366,687 (GRCm39)	Y295*	probably null	Het
Padi1	A	T	4: 140,542,164 (GRCm39)	V586D	probably damaging	Het
Pcdh12	T	C	18: 38,416,192 (GRCm39)	D311G	probably damaging	Het
Pcdha11	A	T	18: 37,145,439 (GRCm39)	H510L	probably damaging	Het
Plcb1	C	A	2: 135,102,486 (GRCm39)	P221H	probably benign	Het
Plekhg2	A	T	7: 28,069,856 (GRCm39)	V58E	probably damaging	Het
Pparg	A	C	6: 115,467,032 (GRCm39)	Q435P	probably damaging	Het
Ppp1r36	A	G	12: 76,484,892 (GRCm39)	T282A	possibly damaging	Het
Prcd	T	C	11: 116,559,110 (GRCm39)		probably benign	Het
Pygo1	A	T	9: 72,852,266 (GRCm39)	H151L	possibly damaging	Het
Rnmt	A	G	18: 68,446,773 (GRCm39)	Y266C	probably benign	Het
Rxrb	T	C	17: 34,255,411 (GRCm39)	V246A	probably damaging	Het
Sart1	A	G	19: 5,433,704 (GRCm39)	S378P	probably damaging	Het
Sema4d	T	C	13: 51,865,390 (GRCm39)	N318S	possibly damaging	Het
Sis	C	T	3: 72,798,754 (GRCm39)	V1765I	probably benign	Het
Slc17a6	A	T	7: 51,276,598 (GRCm39)	K116*	probably null	Het
Smc6	T	A	12: 11,341,540 (GRCm39)	H519Q	probably benign	Het
Sowahc	T	A	10: 59,058,785 (GRCm39)	M307K	probably benign	Het
Sptbn1	A	G	11: 30,087,560 (GRCm39)	Y960H	probably damaging	Het
Tmem270	A	C	5: 134,931,636 (GRCm39)	V102G	probably benign	Het
Tmprss11d	A	G	5: 86,486,729 (GRCm39)	F54L	probably benign	Het
Trpm2	A	G	10: 77,771,795 (GRCm39)	F615L	probably benign	Het
Ttf2	A	G	3: 100,866,558 (GRCm39)	S525P	probably damaging	Het
Ttn	A	T	2: 76,777,241 (GRCm39)	M1387K	possibly damaging	Het
Upk3bl	A	T	5: 136,088,954 (GRCm39)	R156W	probably damaging	Het
Usp34	G	T	11: 23,299,198 (GRCm39)	R290L	probably benign	Het
Vwf	T	C	6: 125,620,005 (GRCm39)	V1561A		Het
Zan	A	G	5: 137,420,155 (GRCm39)	I2834T	unknown	Het
Zfp105	A	G	9: 122,755,454 (GRCm39)	Y90C	probably benign	Het
Zfp804a	T	C	2: 82,089,339 (GRCm39)	V1056A	probably damaging	Het
Zfp956	A	T	6: 47,930,455 (GRCm39)		probably benign	Het

Other mutations in Top1

Allele	Source	Chr	Coord	Type	Predicted Effect	PPH Score
IGL02168:Top1	APN	2	160,546,893 (GRCm39)	splice site	probably null
IGL03083:Top1	APN	2	160,545,498 (GRCm39)	missense	probably damaging	0.97
IGL03242:Top1	APN	2	160,557,653 (GRCm39)	missense	probably damaging	1.00
IGL03369:Top1	APN	2	160,535,647 (GRCm39)	missense	unknown
Mainspring	UTSW	2	160,556,158 (GRCm39)	missense	probably damaging	0.98
Taut	UTSW	2	160,562,921 (GRCm39)	missense	probably damaging	0.99
unwind	UTSW	2	160,546,739 (GRCm39)	missense	probably damaging	1.00
R0022:Top1	UTSW	2	160,544,719 (GRCm39)	missense	possibly damaging	0.62
R0449:Top1	UTSW	2	160,554,628 (GRCm39)	nonsense	probably null
R0501:Top1	UTSW	2	160,556,079 (GRCm39)	missense	probably damaging	1.00
R0564:Top1	UTSW	2	160,556,185 (GRCm39)	missense	probably damaging	0.98
R0946:Top1	UTSW	2	160,554,588 (GRCm39)	nonsense	probably null
R0972:Top1	UTSW	2	160,562,945 (GRCm39)	missense	probably damaging	1.00
R0976:Top1	UTSW	2	160,559,343 (GRCm39)	missense	possibly damaging	0.86
R1534:Top1	UTSW	2	160,556,152 (GRCm39)	missense	probably damaging	1.00
R1608:Top1	UTSW	2	160,545,515 (GRCm39)	missense	probably benign	0.01
R1655:Top1	UTSW	2	160,545,616 (GRCm39)	critical splice donor site	probably null
R1818:Top1	UTSW	2	160,557,643 (GRCm39)	missense	probably damaging	1.00
R1937:Top1	UTSW	2	160,512,042 (GRCm39)	missense	unknown
R2055:Top1	UTSW	2	160,544,748 (GRCm39)	splice site	probably benign
R2104:Top1	UTSW	2	160,546,739 (GRCm39)	missense	probably damaging	1.00
R3705:Top1	UTSW	2	160,544,744 (GRCm39)	critical splice donor site	probably null
R3769:Top1	UTSW	2	160,563,442 (GRCm39)	missense	probably damaging	1.00
R3770:Top1	UTSW	2	160,563,442 (GRCm39)	missense	probably damaging	1.00
R3801:Top1	UTSW	2	160,544,688 (GRCm39)	missense	probably damaging	1.00
R3804:Top1	UTSW	2	160,544,688 (GRCm39)	missense	probably damaging	1.00
R3928:Top1	UTSW	2	160,529,669 (GRCm39)	splice site	probably benign
R4598:Top1	UTSW	2	160,562,885 (GRCm39)	missense	possibly damaging	0.89
R4651:Top1	UTSW	2	160,554,637 (GRCm39)	missense	probably damaging	1.00
R4652:Top1	UTSW	2	160,554,637 (GRCm39)	missense	probably damaging	1.00
R4742:Top1	UTSW	2	160,545,490 (GRCm39)	critical splice acceptor site	probably null
R6292:Top1	UTSW	2	160,540,061 (GRCm39)	missense	probably benign	0.19
R6724:Top1	UTSW	2	160,554,616 (GRCm39)	missense	probably damaging	1.00
R7354:Top1	UTSW	2	160,546,878 (GRCm39)	missense	probably damaging	1.00
R7461:Top1	UTSW	2	160,554,762 (GRCm39)	splice site	probably null
R7843:Top1	UTSW	2	160,556,176 (GRCm39)	missense	possibly damaging	0.90
R7855:Top1	UTSW	2	160,556,008 (GRCm39)	missense	probably damaging	1.00
R8100:Top1	UTSW	2	160,540,155 (GRCm39)	nonsense	probably null
R8302:Top1	UTSW	2	160,545,496 (GRCm39)	missense	probably damaging	1.00
R8377:Top1	UTSW	2	160,488,009 (GRCm39)	start gained	probably benign
R8380:Top1	UTSW	2	160,559,315 (GRCm39)	missense	probably benign	0.00
R8381:Top1	UTSW	2	160,545,594 (GRCm39)	missense	probably null	0.77
R8392:Top1	UTSW	2	160,559,374 (GRCm39)	nonsense	probably null
R8713:Top1	UTSW	2	160,559,360 (GRCm39)	missense	probably damaging	0.98
R8773:Top1	UTSW	2	160,556,158 (GRCm39)	missense	probably damaging	0.98
R8844:Top1	UTSW	2	160,563,469 (GRCm39)	missense	probably damaging	1.00
R8949:Top1	UTSW	2	160,547,182 (GRCm39)	missense	possibly damaging	0.77
R8992:Top1	UTSW	2	160,562,921 (GRCm39)	missense	probably damaging	0.99
R9133:Top1	UTSW	2	160,545,591 (GRCm39)	nonsense	probably null
R9799:Top1	UTSW	2	160,563,406 (GRCm39)	missense	probably damaging	1.00
X0027:Top1	UTSW	2	160,563,438 (GRCm39)	nonsense	probably null

Predicted Primers

PCR Primer
(F):5'- AAGGTGAGCCATCAGTCATG -3'
(R):5'- CTTCCTGCAGTCACATGAAAG -3'

Sequencing Primer
(F):5'- GTGAGCCATCAGTCATGACCTC -3'
(R):5'- CCTGCAGTCACATGAAAGCTGAG -3'

Posted On

2016-10-05