Incidental Mutation 'R0302:Man2b1'
ID 24851
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 038514-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0302 (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 85819645 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Serine at position 610 (N610S)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121]
AlphaFold O09159
Predicted Effect probably damaging
Transcript: ENSMUST00000034121
AA Change: N610S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: N610S

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 noncoding transcript
Transcript: ENSMUST00000211223
Predicted Effect noncoding transcript
Transcript: ENSMUST00000211379
Meta Mutation Damage Score 0.3223 question?
Coding Region Coverage
  • 1x: 98.8%
  • 3x: 97.8%
  • 10x: 95.1%
  • 20x: 89.5%
Validation Efficiency 100% (63/63)
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: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adprs T C 4: 126,211,185 (GRCm39) E244G probably benign Het
Aldh1l2 G A 10: 83,356,229 (GRCm39) P54S probably damaging Het
Ankdd1a G A 9: 65,416,924 (GRCm39) probably benign Het
Ankra2 T A 13: 98,408,200 (GRCm39) S216R probably damaging Het
Asah2 A T 19: 32,030,356 (GRCm39) N105K probably benign Het
Ass1 A T 2: 31,404,831 (GRCm39) N371Y probably damaging Het
Cacna1s A G 1: 136,028,342 (GRCm39) Y893C probably benign Het
Capza2 G A 6: 17,648,523 (GRCm39) R15H probably benign Het
Cbfa2t2 T C 2: 154,376,796 (GRCm39) probably benign Het
Ccdc96 A T 5: 36,643,445 (GRCm39) T484S possibly damaging Het
Cckar GCTTAGCCTCTTCT GCT 5: 53,857,641 (GRCm39) probably null Het
Ccl4 T A 11: 83,554,280 (GRCm39) probably benign Het
Cpt1b A G 15: 89,302,073 (GRCm39) Y702H probably benign Het
Cr1l G A 1: 194,800,101 (GRCm39) T153I probably damaging Het
Cyth2 C A 7: 45,460,009 (GRCm39) E57* probably null Het
Daxx T A 17: 34,132,594 (GRCm39) S575T probably damaging Het
Depdc5 T C 5: 33,061,890 (GRCm39) probably benign Het
Dnah12 A G 14: 26,521,956 (GRCm39) D1923G probably damaging Het
Dnah7b A G 1: 46,162,937 (GRCm39) T428A probably benign Het
Dnm2 G T 9: 21,411,639 (GRCm39) A619S probably benign Het
Enpp2 T C 15: 54,723,457 (GRCm39) T639A probably benign Het
Epsti1 A T 14: 78,177,366 (GRCm39) H182L probably damaging Het
Exoc3l C T 8: 106,020,175 (GRCm39) R250Q probably benign Het
Ggn G T 7: 28,870,665 (GRCm39) probably null Het
Il1rap A G 16: 26,511,544 (GRCm39) N196S probably benign Het
Ints6 T C 14: 62,946,961 (GRCm39) T335A probably damaging Het
Itga1 G A 13: 115,148,854 (GRCm39) probably benign Het
Kifc3 G T 8: 95,830,098 (GRCm39) Q557K possibly damaging Het
Krt23 A G 11: 99,369,027 (GRCm39) I422T probably benign Het
Lcn2 A G 2: 32,274,901 (GRCm39) probably benign Het
Lonp2 A G 8: 87,364,619 (GRCm39) T326A possibly damaging Het
Lrpprc T C 17: 85,047,506 (GRCm39) I909V possibly damaging Het
Lrrc14 G T 15: 76,598,552 (GRCm39) R396L probably benign Het
Lypd6 T G 2: 50,055,679 (GRCm39) probably benign Het
Map2 A T 1: 66,453,987 (GRCm39) N959I probably benign Het
Mctp2 C T 7: 71,740,012 (GRCm39) V793I possibly damaging Het
Med25 A C 7: 44,529,982 (GRCm39) probably benign Het
Mfsd6 T C 1: 52,748,616 (GRCm39) Y83C probably damaging Het
Mtbp A T 15: 55,488,820 (GRCm39) M499L probably damaging Het
Mtmr10 A T 7: 63,947,245 (GRCm39) K53N probably damaging Het
Nfat5 T C 8: 108,085,333 (GRCm39) I542T probably damaging Het
Nr1h3 A G 2: 91,022,358 (GRCm39) M90T probably damaging Het
Nsmce4a A G 7: 130,147,623 (GRCm39) probably benign Het
Oprl1 G A 2: 181,361,021 (GRCm39) C318Y probably benign Het
Or5d40 T A 2: 88,015,854 (GRCm39) I211N possibly damaging Het
Pbx3 A T 2: 34,114,572 (GRCm39) S46T probably benign Het
Pign A T 1: 105,516,818 (GRCm39) F575I possibly damaging Het
Ptpn13 G T 5: 103,713,091 (GRCm39) S1738I probably benign Het
Rnf126 G T 10: 79,595,057 (GRCm39) P269Q probably damaging Het
Ryr3 G A 2: 112,477,468 (GRCm39) probably benign Het
Slc2a7 C T 4: 150,233,978 (GRCm39) A31V probably damaging Het
Slc6a12 A G 6: 121,340,218 (GRCm39) D487G probably damaging Het
Son G T 16: 91,453,032 (GRCm39) G593V probably damaging Het
Spata31d1a T C 13: 59,850,964 (GRCm39) N388S probably benign Het
Spg11 A T 2: 121,922,668 (GRCm39) M927K possibly damaging Het
Taf13 A G 3: 108,479,038 (GRCm39) M1V probably null Het
Trim32 G A 4: 65,531,491 (GRCm39) R16Q probably damaging Het
Trio A G 15: 27,902,603 (GRCm39) F286S probably damaging Het
Trpm2 A C 10: 77,779,824 (GRCm39) probably benign Het
Ttc7b T C 12: 100,353,438 (GRCm39) M390V possibly damaging Het
Vmn1r184 A T 7: 25,966,968 (GRCm39) Q238L probably damaging Het
Zfp236 T C 18: 82,676,213 (GRCm39) E368G probably damaging Het
Zfr2 G T 10: 81,087,170 (GRCm39) 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
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'- ATGCTTGCACACATGACTTGTTTCC -3'
(R):5'- TGCTCCAGAAAGAAAACTGAGGCTC -3'

Sequencing Primer
(F):5'- GCACACATGACTTGTTTCCTAAGAG -3'
(R):5'- TGAGGCTCAAAAGGTCACC -3'
Posted On 2013-04-16