Incidental Mutation 'R5266:Azin1'
ID 401723
Institutional Source Beutler Lab
Gene Symbol Azin1
Ensembl Gene ENSMUSG00000037458
Gene Name antizyme inhibitor 1
Synonyms Oazin, 1700085L02Rik, ODC antizyme inhibitor, Oazi
MMRRC Submission 042858-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5266 (G1)
Quality Score 225
Status Validated
Chromosome 15
Chromosomal Location 38487671-38519510 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 38491795 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 387 (D387G)
Ref Sequence ENSEMBL: ENSMUSP00000105958 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000065308] [ENSMUST00000110329] [ENSMUST00000129589]
AlphaFold O35484
Predicted Effect probably benign
Transcript: ENSMUST00000065308
AA Change: D387G

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000065544
Gene: ENSMUSG00000037458
AA Change: D387G

DomainStartEndE-ValueType
Pfam:Orn_Arg_deC_N 44 279 5.2e-66 PFAM
Pfam:Orn_DAP_Arg_deC 282 406 1.4e-25 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000110328
SMART Domains Protein: ENSMUSP00000105957
Gene: ENSMUSG00000037458

DomainStartEndE-ValueType
Pfam:Orn_Arg_deC_N 44 279 9.4e-67 PFAM
Pfam:Orn_DAP_Arg_deC 282 357 7.4e-10 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000110329
AA Change: D387G

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000105958
Gene: ENSMUSG00000037458
AA Change: D387G

DomainStartEndE-ValueType
Pfam:Orn_Arg_deC_N 44 279 5.4e-69 PFAM
Pfam:Orn_DAP_Arg_deC 283 405 3e-26 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000129589
SMART Domains Protein: ENSMUSP00000117988
Gene: ENSMUSG00000037458

DomainStartEndE-ValueType
Pfam:Orn_Arg_deC_N 44 154 1.8e-34 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149293
Predicted Effect noncoding transcript
Transcript: ENSMUST00000183910
Predicted Effect noncoding transcript
Transcript: ENSMUST00000226152
Meta Mutation Damage Score 0.0731 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.3%
  • 20x: 92.6%
Validation Efficiency 97% (56/58)
MGI Phenotype FUNCTION: The protein encoded by this gene belongs to the antizyme inhibitor family, which plays a role in cell growth and proliferation by maintaining polyamine homeostasis within the cell. Antizyme inhibitors are homologs of ornithine decarboxylase (ODC, the key enzyme in polyamine biosynthesis) that have lost the ability to decarboxylase ornithine; however, retain the ability to bind to antizymes. Antizymes negatively regulate intracellular polyamine levels by binding to ODC and targeting it for degradation, as well as by inhibiting polyamine uptake. Antizyme inhibitors function as positive regulators of polyamine levels by sequestering antizymes and neutralizing their effect. This gene encodes antizyme inhibitor 1, the first member of this gene family that is ubiquitously expressed, and is localized in the nucleus and cytoplasm. Overexpression of antizyme inhibitor 1 gene has been associated with increased proliferation, cellular transformation and tumorigenesis. Gene knockout studies showed that homozygous mutant mice lacking functional antizyme inhibitor 1 gene died at birth with abnormal liver morphology. RNA editing of this gene, predominantly in the liver tissue, has been linked to the progression of hepatocellular carcinoma. Alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, Sep 2014]
PHENOTYPE: Homozygous disruption of this gene results in neonatal lethality, a slight reduction in birth weight, and abnormal liver morphology. [provided by MGI curators]
Allele List at MGI

All alleles(20) : Targeted, other(2) Gene trapped(18)

Other mutations in this stock
Total: 51 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930503L19Rik T C 18: 70,591,455 (GRCm39) N457S probably damaging Het
Asic4 G A 1: 75,427,567 (GRCm39) G31E probably benign Het
Atp2a3 A G 11: 72,866,223 (GRCm39) D281G probably damaging Het
Bdp1 T C 13: 100,204,043 (GRCm39) M660V probably benign Het
Catsperg2 G A 7: 29,416,491 (GRCm39) T307M probably damaging Het
Cfap54 T G 10: 92,651,764 (GRCm39) K3095N probably benign Het
Chl1 A G 6: 103,677,504 (GRCm39) N706S probably damaging Het
Crym A G 7: 119,798,517 (GRCm39) V113A probably benign Het
Cux1 A G 5: 136,341,548 (GRCm39) S607P probably damaging Het
Cyp3a44 T C 5: 145,731,207 (GRCm39) N198D possibly damaging Het
Dnase1l1 C T X: 73,320,644 (GRCm39) probably null Het
Elac1 A G 18: 73,875,740 (GRCm39) V97A probably benign Het
Erbb3 G A 10: 128,405,505 (GRCm39) T1251M probably damaging Het
Gask1b T A 3: 79,843,910 (GRCm39) N12K probably damaging Het
Gprc5c G T 11: 114,755,093 (GRCm39) V257L possibly damaging Het
Hydin A G 8: 111,061,416 (GRCm39) H316R possibly damaging Het
Ikzf3 A T 11: 98,381,406 (GRCm39) M58K probably benign Het
Lyst T C 13: 13,835,555 (GRCm39) Y1746H probably damaging Het
Map3k11 T A 19: 5,750,622 (GRCm39) N613K probably benign Het
Mfng C T 15: 78,648,588 (GRCm39) R163H probably benign Het
Mrm1 A T 11: 84,710,086 (GRCm39) L38Q possibly damaging Het
Myo7b A G 18: 32,131,787 (GRCm39) F470L probably damaging Het
Ndst2 G A 14: 20,774,555 (GRCm39) R834W probably damaging Het
Opa1 T A 16: 29,436,948 (GRCm39) I637N probably benign Het
Or52h9 A T 7: 104,203,026 (GRCm39) Q300L probably benign Het
Or5d43 T C 2: 88,104,565 (GRCm39) Y276C possibly damaging Het
Padi4 A G 4: 140,473,442 (GRCm39) V665A possibly damaging Het
Pcdh1 A G 18: 38,325,252 (GRCm39) Y897H probably damaging Het
Pkp3 A G 7: 140,663,190 (GRCm39) D345G probably damaging Het
Pla2g4a T C 1: 149,740,918 (GRCm39) M366V possibly damaging Het
Pnkp C T 7: 44,511,827 (GRCm39) S113L probably damaging Het
Pon3 T C 6: 5,240,860 (GRCm39) D34G possibly damaging Het
Ppargc1b A T 18: 61,448,876 (GRCm39) S133T probably damaging Het
Ppp4r3b T C 11: 29,123,309 (GRCm39) S2P possibly damaging Het
Rbm20 A G 19: 53,801,818 (GRCm39) T109A probably damaging Het
Rexo5 C A 7: 119,443,660 (GRCm39) H690Q probably benign Het
Scube2 C T 7: 109,408,437 (GRCm39) G670D probably damaging Het
Sipa1l2 T C 8: 126,218,865 (GRCm39) I157M probably damaging Het
Slbp A T 5: 33,801,210 (GRCm39) I167N probably damaging Het
Sry C G Y: 2,662,975 (GRCm39) Q228H unknown Het
Stk36 T C 1: 74,650,317 (GRCm39) V283A probably benign Het
Tead1 A G 7: 112,358,673 (GRCm39) probably benign Het
Tecpr2 G C 12: 110,881,836 (GRCm39) W135S probably damaging Het
Tha1 A C 11: 117,760,502 (GRCm39) S241A probably damaging Het
Ttc39a A T 4: 109,279,701 (GRCm39) I112F probably benign Het
Vmn1r128 A T 7: 21,083,328 (GRCm39) T11S probably benign Het
Vnn1 G A 10: 23,779,303 (GRCm39) C404Y probably damaging Het
Wdr41 T C 13: 95,131,759 (GRCm39) F57L probably damaging Het
Zfp975 T G 7: 42,311,654 (GRCm39) T320P probably damaging Het
Zfp985 A T 4: 147,667,289 (GRCm39) probably null Het
Zfpm2 T C 15: 40,962,865 (GRCm39) S176P probably benign Het
Other mutations in Azin1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02174:Azin1 APN 15 38,493,730 (GRCm39) missense probably benign
IGL02406:Azin1 APN 15 38,491,809 (GRCm39) missense probably benign 0.00
H2330:Azin1 UTSW 15 38,497,520 (GRCm39) missense probably damaging 0.98
R0562:Azin1 UTSW 15 38,493,825 (GRCm39) missense probably benign 0.00
R3416:Azin1 UTSW 15 38,493,790 (GRCm39) missense possibly damaging 0.89
R3434:Azin1 UTSW 15 38,493,820 (GRCm39) missense probably benign 0.00
R3978:Azin1 UTSW 15 38,498,957 (GRCm39) missense probably damaging 0.99
R4535:Azin1 UTSW 15 38,493,849 (GRCm39) missense probably benign 0.11
R4720:Azin1 UTSW 15 38,493,744 (GRCm39) missense probably benign 0.43
R6416:Azin1 UTSW 15 38,492,587 (GRCm39) missense possibly damaging 0.71
R7242:Azin1 UTSW 15 38,501,749 (GRCm39) start codon destroyed probably null 1.00
R7283:Azin1 UTSW 15 38,501,652 (GRCm39) missense probably damaging 0.98
R7577:Azin1 UTSW 15 38,501,665 (GRCm39) missense probably benign 0.01
R7604:Azin1 UTSW 15 38,491,878 (GRCm39) missense probably damaging 1.00
R8221:Azin1 UTSW 15 38,492,572 (GRCm39) missense probably damaging 1.00
R8683:Azin1 UTSW 15 38,493,775 (GRCm39) missense probably damaging 1.00
R9229:Azin1 UTSW 15 38,490,646 (GRCm39) missense probably benign
R9420:Azin1 UTSW 15 38,493,871 (GRCm39) missense possibly damaging 0.46
Predicted Primers PCR Primer
(F):5'- GGAAAATACTACCTTTCTCTGTCATGC -3'
(R):5'- ATCGTTGATAAACTGAACCTGC -3'

Sequencing Primer
(F):5'- CTCTGTCATGCTGTGAAATTTACATG -3'
(R):5'- AAACTGAACCTGCTTTTTACTCATC -3'
Posted On 2016-07-06