Incidental Mutation 'R8701:Man2b1'
ID 669076
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 068555-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8701 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 85821782 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 695 (S695P)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121]
AlphaFold O09159
Predicted Effect probably damaging
Transcript: ENSMUST00000034121
AA Change: S695P

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: S695P

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 98.8%
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: 65 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc4 T C 14: 118,836,785 (GRCm39) I659V probably benign Het
Adamtsl4 T A 3: 95,592,276 (GRCm39) D24V possibly damaging Het
Agtr1b A T 3: 20,370,256 (GRCm39) F117I probably damaging Het
Aldh3b2 A G 19: 4,028,448 (GRCm39) E116G probably damaging Het
Alox5 T A 6: 116,390,787 (GRCm39) I455F possibly damaging Het
Arnt C T 3: 95,401,076 (GRCm39) S675F possibly damaging Het
Camkv A G 9: 107,825,240 (GRCm39) T414A possibly damaging Het
Ccn5 G T 2: 163,670,786 (GRCm39) G98W probably damaging Het
Cd209c C T 8: 3,995,892 (GRCm39) R6H probably benign Het
Cip2a T A 16: 48,827,504 (GRCm39) Y456* probably null Het
Cnr1 A G 4: 33,944,739 (GRCm39) I376V probably benign Het
Cyp2j12 T A 4: 96,009,810 (GRCm39) K183M possibly damaging Het
Dact3 G T 7: 16,619,201 (GRCm39) R232L probably damaging Het
Dlg5 G A 14: 24,226,768 (GRCm39) T378M probably benign Het
Dnah10 T A 5: 124,803,911 (GRCm39) D79E probably benign Het
Dsc1 A T 18: 20,240,739 (GRCm39) Y195* probably null Het
Elovl1 A T 4: 118,287,707 (GRCm39) M1L probably benign Het
Fam107a A G 14: 8,298,755 (GRCm38) F124L probably damaging Het
Fam219a A G 4: 41,520,283 (GRCm39) M155T probably damaging Het
Gm28308 C G 6: 52,140,430 (GRCm39) probably benign Het
Gpr153 C T 4: 152,363,558 (GRCm39) probably benign Het
Gtf2ird2 T A 5: 134,245,077 (GRCm39) I445N probably damaging Het
Gzmb A T 14: 56,497,817 (GRCm39) V141E probably benign Het
Hmcn1 A T 1: 150,631,008 (GRCm39) M930K probably benign Het
Hunk T A 16: 90,183,498 (GRCm39) F52Y probably damaging Het
Il18rap A G 1: 40,578,501 (GRCm39) E304G probably benign Het
Klk14 A G 7: 43,343,566 (GRCm39) S133G possibly damaging Het
Mccc1 A T 3: 36,049,933 (GRCm39) D86E probably benign Het
Mcu T A 10: 59,303,475 (GRCm39) I121F probably damaging Het
Mlxipl T C 5: 135,136,045 (GRCm39) F90S possibly damaging Het
Muc2 A G 7: 141,281,850 (GRCm39) D536G probably damaging Het
Naa11 T C 5: 97,539,817 (GRCm39) S114G possibly damaging Het
Ncaph T C 2: 126,948,058 (GRCm39) K676E probably benign Het
Neurl2 C T 2: 164,675,054 (GRCm39) D103N probably benign Het
Nup210l T C 3: 90,030,121 (GRCm39) M278T probably benign Het
Or10g6 A G 9: 39,933,815 (GRCm39) N42S probably damaging Het
Or4p4 A G 2: 88,482,831 (GRCm39) I112V possibly damaging Het
Or51r1 A T 7: 102,227,899 (GRCm39) M66L possibly damaging Het
Or8c19-ps1 A T 9: 38,220,734 (GRCm39) L214F unknown Het
Or8g4 A T 9: 39,662,210 (GRCm39) H176L probably damaging Het
Pcdh20 A T 14: 88,705,849 (GRCm39) Y484N possibly damaging Het
Pkhd1l1 A G 15: 44,438,079 (GRCm39) Y3598C probably damaging Het
Plcg2 T A 8: 118,308,416 (GRCm39) L336Q probably damaging Het
Ppp1r8 T C 4: 132,557,953 (GRCm39) D207G possibly damaging Het
Prdm13 C T 4: 21,678,615 (GRCm39) C625Y probably damaging Het
Ptcd3 T C 6: 71,862,495 (GRCm39) D480G possibly damaging Het
Rbm39 T A 2: 156,003,507 (GRCm39) K291M probably damaging Het
Repin1 G T 6: 48,574,279 (GRCm39) E403* probably null Het
Rnf220 T C 4: 117,347,190 (GRCm39) H74R probably damaging Het
Sp6 A T 11: 96,913,090 (GRCm39) T268S probably damaging Het
Spata31e2 A T 1: 26,724,526 (GRCm39) V218D probably benign Het
Sphk2 A T 7: 45,360,249 (GRCm39) V585E probably damaging Het
Syne1 G A 10: 5,155,026 (GRCm39) Q5638* probably null Het
Tas1r3 C T 4: 155,945,503 (GRCm39) V573I probably benign Het
Tdrd1 T C 19: 56,839,916 (GRCm39) S659P possibly damaging Het
Tead4 T A 6: 128,219,529 (GRCm39) K237N probably damaging Het
Tex24 T A 8: 27,835,152 (GRCm39) C227S probably benign Het
Tom1 A T 8: 75,778,796 (GRCm39) T174S probably benign Het
Tpm3 C T 3: 89,994,987 (GRCm39) R168C possibly damaging Het
Trpv3 A G 11: 73,169,762 (GRCm39) E111G possibly damaging Het
Unc80 A G 1: 66,677,191 (GRCm39) D2040G possibly damaging Het
Usp47 A G 7: 111,692,402 (GRCm39) T955A probably damaging Het
Vmn2r11 G A 5: 109,195,556 (GRCm39) A590V probably damaging Het
Zfp112 A G 7: 23,825,165 (GRCm39) R382G probably damaging Het
Zfp606 T A 7: 12,215,025 (GRCm39) D84E unknown 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
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'- CCCTTGCAAATGAATAAAGGCCTG -3'
(R):5'- TCAACGGAAAAGGAACCCTG -3'

Sequencing Primer
(F):5'- AAAGGCCTGAGTTCTATCTAGGTCC -3'
(R):5'- GAACCCTGTGAGTCCCCTAAG -3'
Posted On 2021-04-30