Incidental Mutation 'R3971:Man2b1'
ID 310975
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 040839-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3971 (G1)
Quality Score 225
Status 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: 98.6%
  • 10x: 97.1%
  • 20x: 94.3%
Validation Efficiency 95% (38/40)
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
Aadat C T 8: 60,971,615 (GRCm39) P147L probably damaging Het
Apbb1ip T A 2: 22,713,506 (GRCm39) D120E unknown Het
Atp10b A G 11: 43,107,339 (GRCm39) D791G probably damaging Het
Aunip A G 4: 134,250,780 (GRCm39) K242E possibly damaging Het
Ccdc80 A G 16: 44,916,183 (GRCm39) E313G probably benign Het
Cd72 C T 4: 43,449,491 (GRCm39) R275H probably damaging Het
Chrnb1 A G 11: 69,683,742 (GRCm39) probably benign Het
Coro2b C T 9: 62,336,522 (GRCm39) A251T possibly damaging Het
Cspg4b A G 13: 113,453,660 (GRCm39) E41G probably damaging Het
Ddr2 A G 1: 169,815,986 (GRCm39) F574L probably damaging Het
Dock1 G A 7: 134,348,637 (GRCm39) D284N probably damaging Het
Dync1h1 A G 12: 110,632,399 (GRCm39) H4506R probably benign Het
Fam174b T C 7: 73,416,348 (GRCm39) V147A probably damaging Het
Glp2r T A 11: 67,637,641 (GRCm39) D130V possibly damaging Het
Gm18856 A T 13: 14,139,433 (GRCm39) probably benign Het
Gm7247 A G 14: 51,602,841 (GRCm39) Y59C probably damaging Het
Hecw1 T C 13: 14,411,514 (GRCm39) D1062G probably damaging Het
Ifit2 A G 19: 34,551,441 (GRCm39) E327G probably benign Het
Ighv1-37 A T 12: 114,860,079 (GRCm39) S43T probably damaging Het
Mcoln1 T A 8: 3,557,408 (GRCm39) I138K probably benign Het
Mki67 A C 7: 135,297,859 (GRCm39) S2392A probably benign Het
Mrc2 G A 11: 105,218,857 (GRCm39) D193N possibly damaging Het
Myo5b C T 18: 74,873,598 (GRCm39) L1501F probably damaging Het
Nckap1l A G 15: 103,370,987 (GRCm39) K189E probably damaging Het
Obscn T C 11: 59,022,472 (GRCm39) R758G possibly damaging Het
Or6c69 T C 10: 129,747,742 (GRCm39) N135S probably benign Het
Otop1 A G 5: 38,457,533 (GRCm39) I431V probably benign Het
Psma8 A G 18: 14,890,444 (GRCm39) K195E possibly damaging Het
Rbm25 A G 12: 83,721,982 (GRCm39) T723A probably benign Het
Sema3b A G 9: 107,477,567 (GRCm39) S485P probably benign Het
Slc12a2 T A 18: 58,063,268 (GRCm39) L916Q possibly damaging Het
Spata31d1a T A 13: 59,849,971 (GRCm39) D719V possibly damaging Het
Synj1 A G 16: 90,788,491 (GRCm39) S86P probably damaging Het
Tmem130 T A 5: 144,692,131 (GRCm39) H91L probably benign Het
Tsc2 T C 17: 24,842,562 (GRCm39) D288G probably damaging Het
Ttn A T 2: 76,641,587 (GRCm39) L5176Q possibly damaging Het
Vps35l T C 7: 118,433,022 (GRCm39) I585T probably damaging Het
Wac T C 18: 7,916,175 (GRCm39) V303A probably damaging Het
Zfhx2 A G 14: 55,311,932 (GRCm39) V254A probably benign Het
Zfp993 A G 4: 146,742,089 (GRCm39) T138A probably benign 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
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
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'- AGAATAGGGTGGTTGGCACC -3'

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