Incidental Mutation 'R8930:Man2b1'
ID 680254
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 068774-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8930 (G1)
Quality Score 225.009
Status Validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 85822022 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 746 (T746A)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121]
AlphaFold O09159
Predicted Effect probably damaging
Transcript: ENSMUST00000034121
AA Change: T746A

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: T746A

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 0.9396 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.5%
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: 66 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4921524L21Rik T C 18: 6,629,693 (GRCm39) probably null Het
Abl2 A G 1: 156,461,402 (GRCm39) T435A probably damaging Het
Adamtsl3 C T 7: 82,261,069 (GRCm39) P29S Het
Ankrd11 C T 8: 123,622,718 (GRCm39) R378K probably damaging Het
Arap1 G A 7: 101,057,324 (GRCm39) R1355Q possibly damaging Het
Ass1 T A 2: 31,382,387 (GRCm39) M186K probably damaging Het
Bckdk A G 7: 127,507,182 (GRCm39) D312G probably benign Het
Btg3 T A 16: 78,170,298 (GRCm39) N3I probably benign Het
Cd163 T C 6: 124,294,882 (GRCm39) F649L probably damaging Het
Cdh1 ACTCGAAATGATGTGGCTC ACTC 8: 107,392,870 (GRCm39) probably benign Het
Cnksr3 A T 10: 7,110,780 (GRCm39) V27E probably damaging Het
Col12a1 A T 9: 79,580,665 (GRCm39) S1512T probably benign Het
Cstf1 A G 2: 172,217,623 (GRCm39) T79A probably benign Het
Defa24 T C 8: 22,225,373 (GRCm39) Y88H probably benign Het
Dgkz C T 2: 91,769,915 (GRCm39) R389Q probably damaging Het
Dsg3 T A 18: 20,672,718 (GRCm39) D796E probably damaging Het
Dyrk3 G T 1: 131,057,293 (GRCm39) D293E probably damaging Het
Epb42 T C 2: 120,854,767 (GRCm39) D606G probably benign Het
Erich5 G A 15: 34,453,844 (GRCm39) G18S probably benign Het
Fam8a1 C T 13: 46,827,868 (GRCm39) T352M probably benign Het
Fastkd3 T A 13: 68,731,835 (GRCm39) L52Q probably benign Het
Fat3 G A 9: 15,910,819 (GRCm39) H1728Y probably benign Het
Fgl1 A G 8: 41,662,868 (GRCm39) V39A probably benign Het
Gm7298 T C 6: 121,742,030 (GRCm39) V484A probably benign Het
Gpr75 A G 11: 30,842,571 (GRCm39) Q492R possibly damaging Het
Hoxc8 A G 15: 102,899,318 (GRCm39) H36R possibly damaging Het
Insyn2a A G 7: 134,500,881 (GRCm39) I408T probably damaging Het
Insyn2b T C 11: 34,352,707 (GRCm39) S250P probably benign Het
Isy1 T C 6: 87,798,513 (GRCm39) I214V probably damaging Het
Kdm5b C T 1: 134,544,010 (GRCm39) P853L probably damaging Het
Mast3 A T 8: 71,234,377 (GRCm39) probably benign Het
Mki67 A G 7: 135,300,628 (GRCm39) S1469P possibly damaging Het
Mrps30 C T 13: 118,523,695 (GRCm39) A26T probably benign Het
Mup10 T A 4: 60,536,708 (GRCm39) T92S possibly damaging Het
Otud7a A G 7: 63,407,239 (GRCm39) D514G possibly damaging Het
Pacs1 T A 19: 5,185,030 (GRCm39) S932C probably damaging Het
Pbx2 C T 17: 34,813,563 (GRCm39) R188C probably damaging Het
Pclo C T 5: 14,762,989 (GRCm39) P536S possibly damaging Het
Pdxdc1 A T 16: 13,672,269 (GRCm39) I377N probably damaging Het
Peg10 GAT GATCAT 6: 4,756,449 (GRCm39) probably benign Het
Phip T C 9: 82,789,041 (GRCm39) K758E possibly damaging Het
Pramel34 T G 5: 93,785,944 (GRCm39) D112A probably benign Het
Ptprm C T 17: 67,263,846 (GRCm39) R467H probably benign Het
Scnn1b C T 7: 121,502,067 (GRCm39) R242C probably damaging Het
Seh1l T C 18: 67,908,134 (GRCm39) S19P possibly damaging Het
Slc28a1 T A 7: 80,817,715 (GRCm39) V528D probably benign Het
Slc6a17 G T 3: 107,379,507 (GRCm39) Q554K probably benign Het
Spag16 G A 1: 70,338,928 (GRCm39) probably null Het
Spata31d1e C T 13: 59,890,015 (GRCm39) E184K possibly damaging Het
Srfbp1 T A 18: 52,623,117 (GRCm39) N377K possibly damaging Het
Stap2 A G 17: 56,304,895 (GRCm39) S296P probably benign Het
Tnr A T 1: 159,740,359 (GRCm39) I1178F probably damaging Het
Tomt C T 7: 101,550,350 (GRCm39) A139T probably damaging Het
Trak2 T C 1: 58,974,967 (GRCm39) Q75R probably benign Het
Tulp1 T C 17: 28,583,468 (GRCm39) K58E probably benign Het
Utp6 A G 11: 79,834,055 (GRCm39) probably null Het
Vmn1r21 T C 6: 57,820,998 (GRCm39) T149A probably benign Het
Vmn1r238 C T 18: 3,123,127 (GRCm39) V96M probably benign Het
Vmn1r9 T A 6: 57,048,666 (GRCm39) I247N probably damaging Het
Vps33b T C 7: 79,932,241 (GRCm39) C138R possibly damaging Het
Wnk1 A T 6: 119,940,226 (GRCm39) V837E probably damaging Het
Xirp2 C T 2: 67,312,707 (GRCm39) H59Y possibly damaging Het
Zbtb38 G T 9: 96,568,434 (GRCm39) D883E probably benign Het
Zbtb7a C A 10: 80,980,368 (GRCm39) D187E probably benign Het
Zfp511 T C 7: 139,617,442 (GRCm39) V148A probably damaging Het
Zfp52 A G 17: 21,780,692 (GRCm39) D180G possibly 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
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
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'- AGTGATTCGCCTGTACAAAGG -3'
(R):5'- ATTCAATGTCCAGGTGGGTCG -3'

Sequencing Primer
(F):5'- CTGTACAAAGGACAGCGCCATTTG -3'
(R):5'- TCCAGGTGGGTCGATAATCATCC -3'
Posted On 2021-08-31