Incidental Mutation 'R3730:Atg4b'
ID 270907
Institutional Source Beutler Lab
Gene Symbol Atg4b
Ensembl Gene ENSMUSG00000026280
Gene Name autophagy related 4B, cysteine peptidase
Synonyms 2510009N07Rik, autophagin 1, Apg4b
Accession Numbers
Essential gene? Probably non essential (E-score: 0.098) question?
Stock # R3730 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 93682627-93717328 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 93695997 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 45 (D45E)
Ref Sequence ENSEMBL: ENSMUSP00000027502 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027502] [ENSMUST00000149436] [ENSMUST00000185482] [ENSMUST00000187824]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000027502
AA Change: D45E

PolyPhen 2 Score 0.989 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000027502
Gene: ENSMUSG00000026280
AA Change: D45E

DomainStartEndE-ValueType
Pfam:Peptidase_C54 39 335 4.4e-104 PFAM
low complexity region 375 393 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000135762
Predicted Effect possibly damaging
Transcript: ENSMUST00000149436
AA Change: D48E

PolyPhen 2 Score 0.578 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000123383
Gene: ENSMUSG00000026280
AA Change: D48E

DomainStartEndE-ValueType
Pfam:Peptidase_C54 42 150 6.9e-49 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000185482
AA Change: D45E

PolyPhen 2 Score 0.895 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000140758
Gene: ENSMUSG00000026280
AA Change: D45E

DomainStartEndE-ValueType
Pfam:Peptidase_C54 36 137 2.3e-39 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000186001
Predicted Effect possibly damaging
Transcript: ENSMUST00000187824
AA Change: D45E

PolyPhen 2 Score 0.832 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000139541
Gene: ENSMUSG00000026280
AA Change: D45E

DomainStartEndE-ValueType
Pfam:Peptidase_C54 61 121 1.5e-16 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189152
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.3%
  • 10x: 96.2%
  • 20x: 90.5%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Autophagy is the process by which endogenous proteins and damaged organelles are destroyed intracellularly. Autophagy is postulated to be essential for cell homeostasis and cell remodeling during differentiation, metamorphosis, non-apoptotic cell death, and aging. Reduced levels of autophagy have been described in some malignant tumors, and a role for autophagy in controlling the unregulated cell growth linked to cancer has been proposed. This gene encodes a member of the autophagin protein family. The encoded protein is also designated as a member of the C-54 family of cysteine proteases. Alternate transcriptional splice variants, encoding different isoforms, have been characterized. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a gene trap allele exhibit decreased autophagy, impaired swimming, circling, head tilting, and abnormal utricle, saccular, and otolith morphology. Mice homozygous for another gene trap allele exhibit partial preweaning lethality and impaired motor coordination and learning. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A830018L16Rik A G 1: 11,615,450 (GRCm39) N141S probably damaging Het
Acbd6 T A 1: 155,434,471 (GRCm39) S30T probably benign Het
Acot12 T A 13: 91,908,145 (GRCm39) F109Y possibly damaging Het
Adamts19 G A 18: 59,033,982 (GRCm39) R319Q probably damaging Het
Akap1 T C 11: 88,736,008 (GRCm39) E218G possibly damaging Het
Atoh1 A G 6: 64,706,557 (GRCm39) E84G probably benign Het
Cemip2 A G 19: 21,803,481 (GRCm39) Y838C probably damaging Het
Cfap251 A T 5: 123,464,631 (GRCm39) I1280L possibly damaging Het
Cfap54 A T 10: 92,847,335 (GRCm39) Y951* probably null Het
Col4a4 T A 1: 82,433,472 (GRCm39) probably null Het
Crlf1 A G 8: 70,952,092 (GRCm39) T95A probably benign Het
Cyp3a25 G A 5: 145,939,891 (GRCm39) P39S probably damaging Het
Dhx9 C A 1: 153,353,866 (GRCm39) A186S probably benign Het
Dusp16 A G 6: 134,695,824 (GRCm39) S336P probably benign Het
Fcgbp T C 7: 27,784,882 (GRCm39) V314A possibly damaging Het
Focad T C 4: 88,327,162 (GRCm39) I157T possibly damaging Het
Frem3 A T 8: 81,342,545 (GRCm39) T1613S probably damaging Het
Fshr C T 17: 89,309,143 (GRCm39) V222I probably benign Het
Galnt13 A G 2: 54,823,519 (GRCm39) N365S possibly damaging Het
Hjurp GT GTT 1: 88,194,246 (GRCm39) probably null Het
Ice1 A T 13: 70,751,359 (GRCm39) S1576T probably damaging Het
Ighv1-19 C A 12: 114,672,497 (GRCm39) C40F probably damaging Het
Itga8 T C 2: 12,198,321 (GRCm39) T555A possibly damaging Het
Kctd5 T C 17: 24,278,212 (GRCm39) D146G probably benign Het
Ktn1 A G 14: 47,938,606 (GRCm39) E766G probably damaging Het
Ldlr C G 9: 21,643,097 (GRCm39) A41G probably benign Het
Lrp2 G A 2: 69,294,923 (GRCm39) P3465L probably damaging Het
Lrp2 A T 2: 69,365,251 (GRCm39) probably null Het
Mapk11 G A 15: 89,029,318 (GRCm39) A248V probably benign Het
Mroh2a GCCC GC 1: 88,159,979 (GRCm39) probably null Het
Mslnl G A 17: 25,961,908 (GRCm39) V128M probably damaging Het
Npr2 T C 4: 43,640,999 (GRCm39) S402P possibly damaging Het
Olfm2 T C 9: 20,584,063 (GRCm39) N76D probably damaging Het
Or7g33 T A 9: 19,448,447 (GRCm39) I260F probably benign Het
Or8k3 A G 2: 86,059,195 (GRCm39) I40T probably benign Het
Pias4 A T 10: 80,999,888 (GRCm39) F55Y probably damaging Het
Rgs12 G A 5: 35,189,595 (GRCm39) E658K probably damaging Het
Ripor3 C G 2: 167,834,739 (GRCm39) E251Q probably damaging Het
Shroom3 G T 5: 93,090,945 (GRCm39) V1151F probably damaging Het
Slc16a10 G C 10: 39,932,620 (GRCm39) H314D possibly damaging Het
Slc35e4 A G 11: 3,862,577 (GRCm39) V204A possibly damaging Het
Syt4 T C 18: 31,577,189 (GRCm39) H55R probably damaging Het
Trim46 T A 3: 89,142,256 (GRCm39) T721S probably benign Het
Usf3 G T 16: 44,038,938 (GRCm39) L1139F probably benign Het
Xrn2 A T 2: 146,866,729 (GRCm39) M100L probably benign Het
Zbtb33 C A X: 37,281,822 (GRCm39) N243K probably benign Het
Zfp960 T A 17: 17,308,633 (GRCm39) L449H probably damaging Het
Other mutations in Atg4b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01832:Atg4b APN 1 93,713,626 (GRCm39) splice site probably benign
IGL01875:Atg4b APN 1 93,706,032 (GRCm39) missense probably damaging 1.00
IGL02884:Atg4b APN 1 93,715,437 (GRCm39) utr 3 prime probably benign
R0050:Atg4b UTSW 1 93,715,440 (GRCm39) utr 3 prime probably benign
R0050:Atg4b UTSW 1 93,715,440 (GRCm39) utr 3 prime probably benign
R0387:Atg4b UTSW 1 93,714,278 (GRCm39) missense probably benign 0.02
R0533:Atg4b UTSW 1 93,712,632 (GRCm39) splice site probably benign
R2382:Atg4b UTSW 1 93,712,564 (GRCm39) missense probably damaging 1.00
R3113:Atg4b UTSW 1 93,703,426 (GRCm39) splice site probably benign
R4303:Atg4b UTSW 1 93,695,984 (GRCm39) missense probably benign 0.02
R4612:Atg4b UTSW 1 93,714,263 (GRCm39) missense probably damaging 1.00
R5027:Atg4b UTSW 1 93,714,297 (GRCm39) missense probably benign 0.00
R5048:Atg4b UTSW 1 93,703,380 (GRCm39) missense possibly damaging 0.75
R5427:Atg4b UTSW 1 93,702,928 (GRCm39) missense probably damaging 1.00
R5735:Atg4b UTSW 1 93,701,519 (GRCm39) missense probably damaging 1.00
R7209:Atg4b UTSW 1 93,702,955 (GRCm39) missense probably damaging 1.00
R8194:Atg4b UTSW 1 93,713,694 (GRCm39) nonsense probably null
R8214:Atg4b UTSW 1 93,712,609 (GRCm39) missense probably damaging 1.00
R8724:Atg4b UTSW 1 93,696,023 (GRCm39) missense probably damaging 0.99
R8949:Atg4b UTSW 1 93,715,479 (GRCm39) makesense probably null
R8987:Atg4b UTSW 1 93,706,081 (GRCm39) missense possibly damaging 0.54
R9357:Atg4b UTSW 1 93,713,648 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GACCTCAGAGCCTGTTTGGATTC -3'
(R):5'- CACGTTGCCAACAAGGAAATAG -3'

Sequencing Primer
(F):5'- AGAGCCTGTTTGGATTCTGGGC -3'
(R):5'- CCTACATGTAGCTTAATGCAGCGG -3'
Posted On 2015-03-18