Incidental Mutation 'R6885:Mafb'
ID 536768
Institutional Source Beutler Lab
Gene Symbol Mafb
Ensembl Gene ENSMUSG00000074622
Gene Name MAF bZIP transcription factor B
Synonyms Krml, Kreisler, Krml1
MMRRC Submission 045031-MU
Accession Numbers
Essential gene? Possibly essential (E-score: 0.739) question?
Stock # R6885 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 160205623-160208985 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 160207939 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 220 (S220P)
Ref Sequence ENSEMBL: ENSMUSP00000096728 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099126]
AlphaFold P54841
PDB Structure Crystal structure of the bZIP heterodimeric complex MafB:cFos bound to DNA [X-RAY DIFFRACTION]
Crystal structure of the homodimeric MafB in complex with the T-MARE binding site [X-RAY DIFFRACTION]
CRYSTAL STRUCTURE OF THE BZIP HOMODIMERIC MAFB IN COMPLEX WITH THE C- MARE BINDING SITE [X-RAY DIFFRACTION]
Predicted Effect possibly damaging
Transcript: ENSMUST00000099126
AA Change: S220P

PolyPhen 2 Score 0.808 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000096728
Gene: ENSMUSG00000074622
AA Change: S220P

DomainStartEndE-ValueType
low complexity region 54 78 N/A INTRINSIC
Pfam:Maf_N 80 113 2.1e-24 PFAM
low complexity region 131 143 N/A INTRINSIC
low complexity region 157 182 N/A INTRINSIC
low complexity region 187 203 N/A INTRINSIC
BRLZ 234 300 2.73e-7 SMART
Meta Mutation Damage Score 0.7381 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.5%
  • 20x: 98.3%
Validation Efficiency 98% (58/59)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a basic leucine zipper (bZIP) transcription factor that plays an important role in the regulation of lineage-specific hematopoiesis. The encoded nuclear protein represses ETS1-mediated transcription of erythroid-specific genes in myeloid cells. This gene contains no introns. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mutant homozygotes exhibit segmentation defects in the caudal hindbrain, loss of facial motor neurons, impaired inner ear development, arrested maturation of kidney podocytes, reduced fertility, and, in some cases, lethality at birth from apnea. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca16 A G 7: 120,119,332 (GRCm39) I1025M probably benign Het
Adamtsl5 T A 10: 80,179,465 (GRCm39) T164S probably benign Het
Ankar C T 1: 72,682,195 (GRCm39) A1239T unknown Het
Aox4 A T 1: 58,303,537 (GRCm39) S1192C probably damaging Het
Atl2 T C 17: 80,159,982 (GRCm39) D68G probably damaging Het
Btnl4 T C 17: 34,691,919 (GRCm39) I228V probably benign Het
Catsper4 T C 4: 133,942,460 (GRCm39) T231A probably benign Het
Ccl12 A T 11: 81,993,523 (GRCm39) T54S probably damaging Het
Cntn1 T C 15: 92,140,980 (GRCm39) probably null Het
Cog5 T A 12: 31,944,198 (GRCm39) D694E probably damaging Het
Crat T A 2: 30,305,208 (GRCm39) probably benign Het
Crot T C 5: 9,023,635 (GRCm39) T418A probably benign Het
Cubn G A 2: 13,323,089 (GRCm39) P2826L probably damaging Het
Dnah17 A G 11: 117,981,598 (GRCm39) F1698L possibly damaging Het
Dock8 T A 19: 25,124,742 (GRCm39) D1019E possibly damaging Het
Eps15 A G 4: 109,166,361 (GRCm39) N85D probably damaging Het
Exoc1 T C 5: 76,706,889 (GRCm39) S457P probably damaging Het
Ext1 G A 15: 52,965,088 (GRCm39) T426I probably damaging Het
Fat1 T C 8: 45,405,489 (GRCm39) S747P possibly damaging Het
Gas7 A G 11: 67,574,213 (GRCm39) D396G probably damaging Het
Gm5114 G T 7: 39,057,580 (GRCm39) R680S probably benign Het
Gpcpd1 A T 2: 132,395,994 (GRCm39) L94M possibly damaging Het
Gse1 C A 8: 120,956,221 (GRCm39) probably benign Het
Hmgb1 T C 5: 148,987,471 (GRCm39) E26G probably benign Het
Incenp C T 19: 9,852,496 (GRCm39) R714Q unknown Het
Krt73 T C 15: 101,704,833 (GRCm39) E351G probably damaging Het
Ksr1 A G 11: 78,938,121 (GRCm39) probably null Het
Lpin2 T G 17: 71,522,145 (GRCm39) S60A probably damaging Het
Lrrc71 T C 3: 87,649,927 (GRCm39) probably null Het
Maml3 TCTGCTGCTGCTGCTGCTGCTGCTGTTGCTGCTGCTGCTGCTGTTGCTGCTGCTGC TCTGCTGCTGCTGCTGCTGCTGTTGCTGCTGCTGCTGCTGTTGCTGCTGCTGC 3: 51,605,000 (GRCm39) Het
Mcmbp T C 7: 128,326,833 (GRCm39) probably null Het
Or1e30 A T 11: 73,677,926 (GRCm39) H54L possibly damaging Het
Or4s2 A G 2: 88,473,941 (GRCm39) T277A probably damaging Het
Paqr9 T C 9: 95,442,096 (GRCm39) S29P probably benign Het
Parm1 A G 5: 91,742,069 (GRCm39) T146A possibly damaging Het
Pgm2 T A 5: 64,261,221 (GRCm39) F238L probably benign Het
Pigv A T 4: 133,392,792 (GRCm39) F126Y probably damaging Het
Pitx2 T C 3: 129,012,257 (GRCm39) M222T probably damaging Het
Plekhg6 T C 6: 125,355,693 (GRCm39) N37S probably benign Het
Pramel25 T C 4: 143,520,103 (GRCm39) C116R probably damaging Het
Psme4 A T 11: 30,784,307 (GRCm39) K961* probably null Het
Rbpj T C 5: 53,810,493 (GRCm39) W392R probably damaging Het
Reg3a T A 6: 78,358,038 (GRCm39) probably null Het
Rfc3 C T 5: 151,571,749 (GRCm39) S85N probably benign Het
Rtn3 T C 19: 7,435,696 (GRCm39) T80A probably benign Het
Sash1 T C 10: 8,659,985 (GRCm39) T195A probably damaging Het
Ska1 A G 18: 74,339,910 (GRCm39) V12A probably benign Het
Slc25a1 A G 16: 17,745,294 (GRCm39) V80A probably benign Het
Slc26a5 A T 5: 22,039,342 (GRCm39) V217D probably damaging Het
Slc46a1 A G 11: 78,357,805 (GRCm39) D286G probably benign Het
Spata2l A T 8: 123,962,297 (GRCm39) L88Q probably damaging Het
Sptbn1 T G 11: 30,088,634 (GRCm39) Q876P probably benign Het
Tenm2 T A 11: 35,914,407 (GRCm39) I2377F possibly damaging Het
Thbs4 A T 13: 92,899,377 (GRCm39) D539E probably damaging Het
Tmem154 T A 3: 84,599,813 (GRCm39) C162S possibly damaging Het
Tpcn1 T C 5: 120,682,502 (GRCm39) E502G probably benign Het
Traf7 G A 17: 24,731,266 (GRCm39) R257C probably benign Het
Tsc22d2 T C 3: 58,323,629 (GRCm39) Y174H probably damaging Het
Usp8 A G 2: 126,594,230 (GRCm39) E802G probably damaging Het
Vmn1r5 T C 6: 56,963,042 (GRCm39) V239A possibly damaging Het
Vmn2r99 T A 17: 19,600,457 (GRCm39) S494T possibly damaging Het
Zbtb38 A G 9: 96,568,517 (GRCm39) F856L probably damaging Het
Other mutations in Mafb
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01827:Mafb APN 2 160,208,398 (GRCm39) missense probably damaging 1.00
IGL02077:Mafb APN 2 160,207,687 (GRCm39) missense probably benign 0.32
R2240:Mafb UTSW 2 160,207,947 (GRCm39) missense probably damaging 1.00
R2510:Mafb UTSW 2 160,208,496 (GRCm39) missense probably damaging 1.00
R5784:Mafb UTSW 2 160,208,461 (GRCm39) missense probably damaging 0.99
R6341:Mafb UTSW 2 160,208,371 (GRCm39) missense probably damaging 0.99
R7555:Mafb UTSW 2 160,207,749 (GRCm39) missense probably damaging 1.00
R7658:Mafb UTSW 2 160,208,355 (GRCm39) missense possibly damaging 0.68
R8146:Mafb UTSW 2 160,208,298 (GRCm39) missense probably damaging 1.00
R8356:Mafb UTSW 2 160,208,125 (GRCm39) missense probably benign 0.33
Z1177:Mafb UTSW 2 160,208,425 (GRCm39) missense possibly damaging 0.66
Predicted Primers PCR Primer
(F):5'- TGACCTTGTAGGCGTCTCTC -3'
(R):5'- GTGTGACTCACGATGACCTG -3'

Sequencing Primer
(F):5'- GGACACCTCCTGCTTAAGCTG -3'
(R):5'- TCACGATGACCTGGGCCAG -3'
Posted On 2018-10-18