Incidental Mutation 'R0018:Man2b1'
ID 177877
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 038313-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0018 (G1)
Quality Score 65
Status Validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 85824118 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Glutamic Acid at position 1005 (V1005E)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121]
AlphaFold O09159
Predicted Effect probably damaging
Transcript: ENSMUST00000034121
AA Change: V1005E

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: V1005E

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
Meta Mutation Damage Score 0.6467 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 99.0%
  • 10x: 97.9%
  • 20x: 96.6%
Validation Efficiency 100% (64/64)
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: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca17 T C 17: 24,532,162 (GRCm39) probably null Het
Afp A C 5: 90,654,600 (GRCm39) Q546P probably damaging Het
Api5 A T 2: 94,251,329 (GRCm39) probably null Het
Atp2b4 T A 1: 133,645,609 (GRCm39) I982F probably damaging Het
BC024139 G A 15: 76,005,087 (GRCm39) Q592* probably null Het
Capn7 T A 14: 31,076,069 (GRCm39) C290* probably null Het
Ccn1 A G 3: 145,355,186 (GRCm39) L23P probably damaging Het
Celsr1 T A 15: 85,915,243 (GRCm39) D910V possibly damaging Het
Chga T C 12: 102,524,764 (GRCm39) S45P probably damaging Het
Cpne2 T A 8: 95,282,681 (GRCm39) C59S possibly damaging Het
Cyp2b13 G A 7: 25,785,375 (GRCm39) R248H probably benign Het
Dennd1a T A 2: 37,748,472 (GRCm39) T336S possibly damaging Het
Drc7 A G 8: 95,800,862 (GRCm39) Y628C probably damaging Het
Dse A G 10: 34,029,464 (GRCm39) V542A probably benign Het
Dspp A T 5: 104,326,096 (GRCm39) S820C unknown Het
Efcab3 G A 11: 104,612,378 (GRCm39) probably null Het
Eif5b T C 1: 38,057,970 (GRCm39) S91P unknown Het
Epop A G 11: 97,519,017 (GRCm39) V364A probably benign Het
Ext2 G A 2: 93,626,037 (GRCm39) P341L probably damaging Het
Galns T C 8: 123,311,724 (GRCm39) T429A probably benign Het
Gsx2 A G 5: 75,237,828 (GRCm39) K260R probably damaging Het
H2-M10.6 A C 17: 37,124,941 (GRCm39) H286P probably damaging Het
Hectd4 A G 5: 121,392,242 (GRCm39) N169D possibly damaging Het
Helz2 C A 2: 180,874,552 (GRCm39) G1981C probably damaging Het
Hmcn1 T C 1: 150,528,302 (GRCm39) D3282G probably benign Het
Hnmt T A 2: 23,893,640 (GRCm39) N285Y possibly damaging Het
Hr A G 14: 70,795,717 (GRCm39) R450G probably benign Het
Kat6a A G 8: 23,419,289 (GRCm39) D684G possibly damaging Het
Kif27 T G 13: 58,435,867 (GRCm39) I1309L probably benign Het
Mab21l4 T A 1: 93,082,327 (GRCm39) D264V probably benign Het
Me2 A T 18: 73,924,923 (GRCm39) F265I possibly damaging Het
Myo9a A T 9: 59,779,007 (GRCm39) T1588S probably benign Het
Neu4 T A 1: 93,953,060 (GRCm39) D476E probably benign Het
Nlrp9c T A 7: 26,071,423 (GRCm39) Q895L possibly damaging Het
Or1e35 T C 11: 73,797,452 (GRCm39) I289V probably damaging Het
Or1p1c A C 11: 74,160,934 (GRCm39) T240P probably benign Het
Pdzd8 C T 19: 59,289,105 (GRCm39) R765H probably damaging Het
Plk1 T C 7: 121,768,208 (GRCm39) probably null Het
Ppfia2 A G 10: 106,678,647 (GRCm39) probably benign Het
Prkdc T C 16: 15,544,406 (GRCm39) Y1799H probably benign Het
Psmc1 T C 12: 100,082,951 (GRCm39) probably benign Het
Ptchd3 A C 11: 121,733,170 (GRCm39) I687L probably benign Het
Ptprh A G 7: 4,604,845 (GRCm39) probably null Het
Pus3 A G 9: 35,477,920 (GRCm39) D384G probably benign Het
Rab44 C T 17: 29,358,354 (GRCm39) P181S probably benign Het
Rasa2 A G 9: 96,454,016 (GRCm39) S307P probably damaging Het
Rbpms2 A G 9: 65,558,360 (GRCm39) D142G probably damaging Het
Reln A T 5: 22,130,369 (GRCm39) D2647E probably benign Het
Ryr2 G A 13: 11,610,109 (GRCm39) T4239I possibly damaging Het
Sctr C A 1: 119,971,286 (GRCm39) probably benign Het
Serpinb6e A T 13: 34,021,828 (GRCm39) Y167N probably damaging Het
Slc13a5 T C 11: 72,157,301 (GRCm39) I31V probably benign Het
Slc15a4 A T 5: 127,679,074 (GRCm39) I422N probably damaging Het
Stk24 G A 14: 121,545,419 (GRCm39) probably benign Het
Vmn1r213 T A 13: 23,196,311 (GRCm39) V298D probably damaging Het
Xdh C T 17: 74,232,020 (GRCm39) R230H probably benign Het
Zfp418 A T 7: 7,185,449 (GRCm39) S471C 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
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
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'- CATCAGTGTCTGGTTCAAGGATGGC -3'
(R):5'- ACCCAGGGTGCAACAGGTTTTC -3'

Sequencing Primer
(F):5'- AATCTTAGGTGGTACTCAGGCATAG -3'
(R):5'- GTGCAACAGGTTTTCTGATACC -3'
Posted On 2014-04-30