Incidental Mutation 'R3972:Man2b1'
ID 311026
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 040840-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3972 (G1)
Quality Score 225
Status Not validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 85812020 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Serine at position 158 (N158S)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121] [ENSMUST00000079764] [ENSMUST00000093357] [ENSMUST00000140621] [ENSMUST00000209264] [ENSMUST00000209361] [ENSMUST00000152785] [ENSMUST00000149050]
AlphaFold O09159
Predicted Effect probably damaging
Transcript: ENSMUST00000034121
AA Change: N158S

PolyPhen 2 Score 0.978 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: N158S

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: ENSMUST00000093357
SMART Domains Protein: ENSMUSP00000091048
Gene: ENSMUSG00000005150

DomainStartEndE-ValueType
WD40 14 53 1.05e-7 SMART
WD40 56 95 8.42e-7 SMART
WD40 98 137 8.1e-9 SMART
WD40 142 179 5.52e-2 SMART
WD40 182 219 1.66e0 SMART
WD40 222 263 7e-4 SMART
WD40 266 304 4.75e1 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000131909
Predicted Effect noncoding transcript
Transcript: ENSMUST00000135463
Predicted Effect noncoding transcript
Transcript: ENSMUST00000136696
Predicted Effect probably benign
Transcript: ENSMUST00000140621
SMART Domains Protein: ENSMUSP00000117962
Gene: ENSMUSG00000059355

DomainStartEndE-ValueType
Pfam:UPF0139 5 88 1.4e-37 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000211223
Predicted Effect noncoding transcript
Transcript: ENSMUST00000211379
Predicted Effect probably benign
Transcript: ENSMUST00000209264
Predicted Effect probably benign
Transcript: ENSMUST00000209361
Predicted Effect noncoding transcript
Transcript: ENSMUST00000210991
Predicted Effect noncoding transcript
Transcript: ENSMUST00000148592
Predicted Effect noncoding transcript
Transcript: ENSMUST00000152186
Predicted Effect probably benign
Transcript: ENSMUST00000152785
SMART Domains Protein: ENSMUSP00000122127
Gene: ENSMUSG00000005150

DomainStartEndE-ValueType
WD40 14 53 1.05e-7 SMART
WD40 56 95 8.42e-7 SMART
WD40 140 177 5.52e-2 SMART
WD40 180 217 1.66e0 SMART
WD40 220 261 7e-4 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000149050
SMART Domains Protein: ENSMUSP00000121568
Gene: ENSMUSG00000005150

DomainStartEndE-ValueType
WD40 14 53 1.05e-7 SMART
WD40 56 95 8.42e-7 SMART
Meta Mutation Damage Score 0.5082 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.1%
Validation Efficiency
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: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Alk T G 17: 72,292,442 (GRCm39) D512A probably benign Het
Avl9 T C 6: 56,720,393 (GRCm39) F477S probably damaging Het
C7 C T 15: 5,037,133 (GRCm39) V582I possibly damaging Het
Cldn20 A G 17: 3,582,914 (GRCm39) N29S probably benign Het
Coro2b C T 9: 62,336,522 (GRCm39) A251T possibly damaging Het
Dnah3 T A 7: 119,685,943 (GRCm39) D131V probably damaging Het
Dusp12 T C 1: 170,707,344 (GRCm39) K248R probably damaging Het
Fat3 G A 9: 15,909,567 (GRCm39) S2145F probably damaging Het
Fgf1 T C 18: 38,980,147 (GRCm39) T76A probably benign Het
Gucy2c C T 6: 136,685,364 (GRCm39) R859K probably damaging Het
Irf2bp1 T A 7: 18,739,369 (GRCm39) D336E possibly damaging Het
Lpar6 A G 14: 73,476,513 (GRCm39) H158R probably benign Het
Ltbp3 G A 19: 5,804,050 (GRCm39) R854Q probably benign Het
Lyst T C 13: 13,881,210 (GRCm39) C2814R possibly damaging Het
Mki67 A C 7: 135,297,859 (GRCm39) S2392A probably benign Het
Mrpl16 A G 19: 11,750,239 (GRCm39) N41S probably benign Het
Myo5b C T 18: 74,873,598 (GRCm39) L1501F probably damaging Het
Nudt9 G T 5: 104,194,991 (GRCm39) C29F probably benign Het
Or4d11 G T 19: 12,013,383 (GRCm39) T241N probably damaging Het
Otop1 A G 5: 38,457,533 (GRCm39) I431V probably benign Het
Otp T G 13: 95,019,692 (GRCm39) L181R probably damaging Het
Pde4a A G 9: 21,117,513 (GRCm39) T592A probably damaging Het
Pi4ka A G 16: 17,111,739 (GRCm39) Y1579H probably damaging Het
Rb1cc1 T C 1: 6,319,224 (GRCm39) V864A probably benign Het
Reln A T 5: 22,183,999 (GRCm39) F1667I probably damaging Het
Serpinb10 T A 1: 107,463,852 (GRCm39) F45I probably damaging Het
Setdb1 A T 3: 95,248,649 (GRCm39) N422K probably damaging Het
Slc17a7 A G 7: 44,819,334 (GRCm39) I137V possibly damaging Het
Tet1 T A 10: 62,649,505 (GRCm39) E67D probably damaging Het
Tpcn1 C A 5: 120,691,817 (GRCm39) probably null Het
Trav9-4 T C 14: 53,913,877 (GRCm39) Y44H possibly damaging Het
Trmt1l A G 1: 151,309,634 (GRCm39) N106D possibly damaging Het
Ttll12 A T 15: 83,466,297 (GRCm39) L388Q probably damaging Het
Ttn A T 2: 76,641,587 (GRCm39) L5176Q possibly damaging Het
Ubfd1 T G 7: 121,666,656 (GRCm39) S51A probably benign Het
Uckl1 T C 2: 181,216,256 (GRCm39) D148G probably damaging Het
Usp34 T C 11: 23,407,803 (GRCm39) L2571S probably damaging Het
Wdr75 T C 1: 45,861,714 (GRCm39) V718A probably benign Het
Zfp266 A G 9: 20,411,446 (GRCm39) S244P probably damaging Het
Zfp979 G A 4: 147,702,876 (GRCm39) Q25* probably null 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
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
R7159:Man2b1 UTSW 8 85,813,909 (GRCm39) missense probably benign 0.09
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'- GTCTCACAAGGTCCCATCTC -3'
(R):5'- AATAGGGTGGTTGGCACCTG -3'

Sequencing Primer
(F):5'- CATGCAGATCTGAGCACACTGG -3'
(R):5'- GGCACCTGGGCAAACAG -3'
Posted On 2015-04-29