Incidental Mutation 'R7159:Man2b1'
ID 557511
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 045259-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7159 (G1)
Quality Score 225.009
Status Validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 85813909 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Methionine at position 291 (T291M)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121] [ENSMUST00000079764] [ENSMUST00000140621] [ENSMUST00000209264] [ENSMUST00000209361]
AlphaFold O09159
Predicted Effect probably benign
Transcript: ENSMUST00000034121
AA Change: T291M

PolyPhen 2 Score 0.094 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: T291M

DomainStartEndE-ValueType
low complexity region 40 51 N/A INTRINSIC
Pfam:Glyco_hydro_38 64 381 2.7e-96 PFAM
Alpha-mann_mid 386 465 4.25e-23 SMART
Pfam:Glyco_hydro_38C 510 1002 6.2e-106 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000079764
SMART Domains Protein: ENSMUSP00000078697
Gene: ENSMUSG00000059355

DomainStartEndE-ValueType
low complexity region 7 21 N/A INTRINSIC
Pfam:UPF0139 85 183 6.8e-53 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000140621
SMART Domains Protein: ENSMUSP00000117962
Gene: ENSMUSG00000059355

DomainStartEndE-ValueType
Pfam:UPF0139 5 88 1.4e-37 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000209264
Predicted Effect probably benign
Transcript: ENSMUST00000209361
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency 99% (70/71)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes an enzyme that hydrolyzes terminal, non-reducing alpha-D-mannose residues in alpha-D-mannosides. Its activity is necessary for the catabolism of N-linked carbohydrates released during glycoprotein turnover and it is member of family 38 of glycosyl hydrolases. The full length protein is processed in two steps. First, a 49 aa leader sequence is cleaved off and the remainder of the protein is processed into 3 peptides of 70 kDa, 42 kDa (D) and 13/15 kDa (E). Next, the 70 kDa peptide is further processed into three peptides (A, B and C). The A, B and C peptides are disulfide-linked. Defects in this gene have been associated with lysosomal alpha-mannosidosis. Alternatively spliced transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Mar 2010]
PHENOTYPE: Mice homozygous for a knock-out allele show urinary oligosaccharide excretion, storage of neutral sugars, oligosaccharide buildup in spleen, kidney, liver, testis and brain, clear vacuoles and axonal spheroids in CNS, PNS and other cell types, behavioralchanges, and enhanced long-term potentiation. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Akap13 T A 7: 75,380,327 (GRCm39) V500E possibly damaging Het
Ankrd34b T C 13: 92,575,970 (GRCm39) S401P probably benign Het
Arfgef2 T A 2: 166,668,848 (GRCm39) D41E probably benign Het
Arid1a T C 4: 133,480,879 (GRCm39) N15S unknown Het
Arsa A T 15: 89,358,921 (GRCm39) probably null Het
B3gnt9 C A 8: 105,981,064 (GRCm39) C108F probably damaging Het
Bbc3 C A 7: 16,047,733 (GRCm39) Y152* probably null Het
Btbd1 T C 7: 81,467,957 (GRCm39) M188V probably benign Het
Caln1 C T 5: 130,851,838 (GRCm39) T209I probably benign Het
Casp12 C T 9: 5,353,763 (GRCm39) P266S possibly damaging Het
Ccm2l A T 2: 152,912,787 (GRCm39) I109F probably damaging Het
Chst15 A C 7: 131,871,987 (GRCm39) L98R probably damaging Het
Ctsq A G 13: 61,186,737 (GRCm39) M89T probably benign Het
Ddx39b T C 17: 35,465,986 (GRCm39) V169A probably benign Het
Fhad1 T C 4: 141,678,927 (GRCm39) H583R probably benign Het
Fndc1 T A 17: 8,019,763 (GRCm39) I139F probably damaging Het
Gm7145 C G 1: 117,913,561 (GRCm39) H148D probably benign Het
Gpr62 C A 9: 106,342,641 (GRCm39) A96S probably damaging Het
Gsap T A 5: 21,475,618 (GRCm39) probably null Het
Hdhd5 T A 6: 120,500,432 (GRCm39) T89S probably damaging Het
Kcna5 T A 6: 126,510,592 (GRCm39) Y512F probably damaging Het
Krt84 C A 15: 101,438,044 (GRCm39) E304* probably null Het
Krt9 TCCACTTCCTCCTCCATAGCTGCCCCCACTTCCTCCTCCATAGCTGCCCCCACTTCCTCCTCCATAGCTGCCCCCACTTCCTCCTCCATAGCTGCC TCCACTTCCTCCTCCATAGCTGCCCCCACTTCCTCCTCCATAGCTGCC 11: 100,079,903 (GRCm39) probably benign Het
Lrp6 C A 6: 134,484,514 (GRCm39) V370L probably benign Het
Lrrc3c G A 11: 98,490,144 (GRCm39) G167D probably damaging Het
Mapkbp1 A G 2: 119,855,613 (GRCm39) E1438G possibly damaging Het
Med12l A G 3: 59,183,438 (GRCm39) T1947A probably benign Het
Myh15 A T 16: 48,881,937 (GRCm39) T60S probably damaging Het
Myo5a A T 9: 75,078,845 (GRCm39) I868F probably benign Het
Myom3 A T 4: 135,536,162 (GRCm39) I1278F probably damaging Het
Nbn G T 4: 15,983,677 (GRCm39) probably null Het
Ncam2 G T 16: 81,287,262 (GRCm39) S392I probably damaging Het
Nrg3 A C 14: 38,092,692 (GRCm39) L647* probably null Het
Or10j7 A T 1: 173,011,890 (GRCm39) L37Q possibly damaging Het
Or2t35 T C 14: 14,407,251 (GRCm38) S8P possibly damaging Het
Or2y1g A T 11: 49,171,185 (GRCm39) D70V probably damaging Het
Or8j3c T A 2: 86,253,956 (GRCm39) probably null Het
Pcdhb9 A G 18: 37,534,545 (GRCm39) N180D possibly damaging Het
Pcdhga4 A G 18: 37,819,972 (GRCm39) N507S probably damaging Het
Pdilt A G 7: 119,087,174 (GRCm39) V492A probably benign Het
Phf12 A G 11: 77,914,366 (GRCm39) T603A possibly damaging Het
Phox2b T A 5: 67,254,928 (GRCm39) I174F probably benign Het
Polq A T 16: 36,883,215 (GRCm39) Q1793L possibly damaging Het
Prmt9 T C 8: 78,282,393 (GRCm39) F97L probably benign Het
Prpsap1 T C 11: 116,384,870 (GRCm39) E13G probably benign Het
Ptpru A G 4: 131,546,851 (GRCm39) L280P probably damaging Het
Pygl A T 12: 70,244,180 (GRCm39) M587K probably benign Het
Rc3h2 T C 2: 37,299,659 (GRCm39) S124G probably benign Het
Rdh5 A G 10: 128,754,184 (GRCm39) I83T possibly damaging Het
Rigi A G 4: 40,213,804 (GRCm39) V618A probably benign Het
Ryr2 T G 13: 11,825,794 (GRCm39) R561S probably damaging Het
Scara3 A G 14: 66,158,229 (GRCm39) L593P probably damaging Het
Scfd2 T C 5: 74,692,004 (GRCm39) I93V probably benign Het
Sema4f C A 6: 82,894,864 (GRCm39) V444L possibly damaging Het
Slco1a7 T A 6: 141,719,504 (GRCm39) M1L probably damaging Het
Spata33 T C 8: 123,941,134 (GRCm39) L61P unknown Het
Stard10 A T 7: 100,992,343 (GRCm39) probably null Het
Stub1 T C 17: 26,051,038 (GRCm39) I115V probably benign Het
Tlcd3b T C 7: 126,426,667 (GRCm39) F80S probably damaging Het
Tmem247 C T 17: 87,225,710 (GRCm39) T50I probably benign Het
Tnrc6b A G 15: 80,771,223 (GRCm39) M1103V possibly damaging Het
Trim61 T C 8: 65,466,526 (GRCm39) Y245C probably benign Het
Trip13 T C 13: 74,068,130 (GRCm39) I284V probably benign Het
Trpm4 T C 7: 44,976,692 (GRCm39) probably null Het
Ttn C A 2: 76,740,092 (GRCm39) L3528F unknown Het
Ttn A G 2: 76,560,918 (GRCm39) L29161S probably damaging Het
Ube2v2 G A 16: 15,398,948 (GRCm39) T47I probably benign Het
Vwa5b1 C T 4: 138,302,733 (GRCm39) A921T possibly damaging Het
Xylt1 T A 7: 117,236,829 (GRCm39) F526Y probably damaging Het
Other mutations in Man2b1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00588:Man2b1 APN 8 85,811,267 (GRCm39) splice site probably null
IGL00671:Man2b1 APN 8 85,820,567 (GRCm39) missense probably damaging 0.98
IGL01538:Man2b1 APN 8 85,824,059 (GRCm39) missense probably benign 0.00
dateline UTSW 8 85,811,366 (GRCm39) missense probably damaging 1.00
greenwich UTSW 8 85,812,085 (GRCm39) nonsense probably null
longitude UTSW 8 85,821,773 (GRCm39) nonsense probably null
meridian UTSW 8 85,823,381 (GRCm39) missense probably damaging 1.00
R0018:Man2b1 UTSW 8 85,824,118 (GRCm39) missense probably damaging 1.00
R0302:Man2b1 UTSW 8 85,819,645 (GRCm39) missense probably damaging 1.00
R0574:Man2b1 UTSW 8 85,823,405 (GRCm39) missense probably benign
R0727:Man2b1 UTSW 8 85,818,155 (GRCm39) missense probably damaging 1.00
R0837:Man2b1 UTSW 8 85,823,458 (GRCm39) missense possibly damaging 0.92
R1087:Man2b1 UTSW 8 85,821,800 (GRCm39) missense probably damaging 1.00
R1471:Man2b1 UTSW 8 85,813,474 (GRCm39) missense probably damaging 0.99
R1745:Man2b1 UTSW 8 85,820,563 (GRCm39) missense probably damaging 1.00
R1903:Man2b1 UTSW 8 85,813,451 (GRCm39) missense probably damaging 1.00
R2026:Man2b1 UTSW 8 85,821,964 (GRCm39) missense probably damaging 0.99
R2071:Man2b1 UTSW 8 85,812,013 (GRCm39) missense possibly damaging 0.90
R2120:Man2b1 UTSW 8 85,819,653 (GRCm39) splice site probably benign
R3897:Man2b1 UTSW 8 85,823,577 (GRCm39) splice site probably benign
R3971:Man2b1 UTSW 8 85,812,020 (GRCm39) missense probably damaging 0.98
R3972:Man2b1 UTSW 8 85,812,020 (GRCm39) missense probably damaging 0.98
R4096:Man2b1 UTSW 8 85,811,366 (GRCm39) missense probably damaging 1.00
R4497:Man2b1 UTSW 8 85,817,565 (GRCm39) missense probably benign 0.22
R5183:Man2b1 UTSW 8 85,822,413 (GRCm39) missense probably damaging 1.00
R5191:Man2b1 UTSW 8 85,811,088 (GRCm39) missense probably damaging 1.00
R5644:Man2b1 UTSW 8 85,820,839 (GRCm39) missense possibly damaging 0.61
R6027:Man2b1 UTSW 8 85,823,381 (GRCm39) missense probably damaging 1.00
R6291:Man2b1 UTSW 8 85,823,675 (GRCm39) missense probably benign 0.44
R6341:Man2b1 UTSW 8 85,822,028 (GRCm39) missense probably damaging 1.00
R6467:Man2b1 UTSW 8 85,824,076 (GRCm39) missense possibly damaging 0.91
R6622:Man2b1 UTSW 8 85,811,108 (GRCm39) missense probably damaging 1.00
R6624:Man2b1 UTSW 8 85,823,482 (GRCm39) missense probably benign 0.01
R6631:Man2b1 UTSW 8 85,813,440 (GRCm39) splice site probably null
R6828:Man2b1 UTSW 8 85,813,548 (GRCm39) missense possibly damaging 0.88
R6983:Man2b1 UTSW 8 85,817,700 (GRCm39) splice site probably null
R7267:Man2b1 UTSW 8 85,813,804 (GRCm39) missense probably damaging 1.00
R7537:Man2b1 UTSW 8 85,817,594 (GRCm39) nonsense probably null
R7786:Man2b1 UTSW 8 85,812,085 (GRCm39) nonsense probably null
R8022:Man2b1 UTSW 8 85,822,242 (GRCm39) missense probably damaging 1.00
R8069:Man2b1 UTSW 8 85,823,674 (GRCm39) missense probably benign 0.03
R8251:Man2b1 UTSW 8 85,821,758 (GRCm39) missense probably damaging 0.99
R8406:Man2b1 UTSW 8 85,822,907 (GRCm39) missense probably damaging 1.00
R8464:Man2b1 UTSW 8 85,820,772 (GRCm39) missense possibly damaging 0.55
R8701:Man2b1 UTSW 8 85,821,782 (GRCm39) missense probably damaging 1.00
R8792:Man2b1 UTSW 8 85,821,773 (GRCm39) nonsense probably null
R8891:Man2b1 UTSW 8 85,811,084 (GRCm39) missense probably damaging 1.00
R8930:Man2b1 UTSW 8 85,822,022 (GRCm39) missense probably damaging 1.00
R8932:Man2b1 UTSW 8 85,822,022 (GRCm39) missense probably damaging 1.00
R8953:Man2b1 UTSW 8 85,818,539 (GRCm39) missense probably benign 0.36
R9059:Man2b1 UTSW 8 85,818,155 (GRCm39) missense probably damaging 1.00
Z1176:Man2b1 UTSW 8 85,820,567 (GRCm39) missense probably damaging 0.98
Predicted Primers PCR Primer
(F):5'- ATGTGACAGGCTCTGACCC -3'
(R):5'- ATGCACCAGTTATAGCTATAGGAC -3'

Sequencing Primer
(F):5'- ACCCCAGGACAGGTCTG -3'
(R):5'- GATAACTCTCATTCCGGAGCATGTG -3'
Posted On 2019-06-26