Incidental Mutation 'R6983:Man2b1'
ID 554330
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 045090-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6983 (G1)
Quality Score 225.009
Status Validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation splice site
DNA Base Change (assembly) T to A at 85817700 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121] [ENSMUST00000209361]
AlphaFold O09159
Predicted Effect probably null
Transcript: ENSMUST00000034121
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142

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: ENSMUST00000209361
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.4%
  • 20x: 98.1%
Validation Efficiency 98% (65/66)
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
Abca15 T C 7: 119,953,686 (GRCm39) V530A probably benign Het
Adgrg6 T C 10: 14,307,439 (GRCm39) N816D probably damaging Het
Aebp2 T C 6: 140,583,389 (GRCm39) F288L possibly damaging Het
Afdn T C 17: 14,101,583 (GRCm39) S1024P probably damaging Het
Akap6 A C 12: 52,934,436 (GRCm39) K643Q probably damaging Het
Atg2a A T 19: 6,310,070 (GRCm39) D1751V probably damaging Het
Best2 T A 8: 85,736,405 (GRCm39) I253F probably benign Het
Bmp1 G T 14: 70,745,647 (GRCm39) P55T probably damaging Het
C1s1 C A 6: 124,517,855 (GRCm39) V42F possibly damaging Het
Ccdc115 A G 1: 34,478,122 (GRCm39) probably null Het
Cdc42bpg C T 19: 6,371,698 (GRCm39) P1326S probably damaging Het
Cdhr3 G A 12: 33,092,379 (GRCm39) T744I probably benign Het
Cit T G 5: 116,132,150 (GRCm39) L1745R probably damaging Het
Commd6 A T 14: 101,874,488 (GRCm39) S39T probably damaging Het
Crot T G 5: 9,028,280 (GRCm39) Y223S probably benign Het
Crybg1 G T 10: 43,875,338 (GRCm39) A590D probably damaging Het
Cwf19l2 G A 9: 3,477,817 (GRCm39) E841K probably damaging Het
Dennd4c T C 4: 86,717,730 (GRCm39) Y576H probably damaging Het
Diaph1 A T 18: 38,022,822 (GRCm39) V749E probably damaging Het
Ell2 C A 13: 75,910,006 (GRCm39) L119M probably damaging Het
F5 A T 1: 164,021,698 (GRCm39) D1391V probably damaging Het
Foxf2 T A 13: 31,811,180 (GRCm39) M373K probably benign Het
Fstl1 A T 16: 37,651,980 (GRCm39) E287D probably benign Het
Gltpd2 T C 11: 70,411,110 (GRCm39) Y134H probably damaging Het
Hemgn T A 4: 46,395,997 (GRCm39) H413L possibly damaging Het
Herc2 G A 7: 55,756,201 (GRCm39) R747H possibly damaging Het
Hykk T C 9: 54,853,793 (GRCm39) S372P probably benign Het
Inava A G 1: 136,147,894 (GRCm39) S353P possibly damaging Het
Ints10 T C 8: 69,246,703 (GRCm39) V11A probably damaging Het
Khdrbs1 A G 4: 129,614,635 (GRCm39) V306A probably benign Het
Lamtor2 G A 3: 88,460,146 (GRCm39) Q9* probably null Het
Lonp2 T A 8: 87,350,876 (GRCm39) V22E probably damaging Het
Mad1l1 T C 5: 140,179,739 (GRCm39) E383G probably damaging Het
Mtch1 T C 17: 29,557,750 (GRCm39) I243V probably damaging Het
Myo18a T A 11: 77,736,341 (GRCm39) M1546K probably benign Het
Ntf3 T C 6: 126,078,808 (GRCm39) T233A probably damaging Het
Omg T C 11: 79,392,764 (GRCm39) S365G probably benign Het
Or52ad1 C T 7: 102,996,022 (GRCm39) V38I probably benign Het
Otol1 T A 3: 69,935,374 (GRCm39) N455K probably damaging Het
Pakap T A 4: 57,709,973 (GRCm39) V306D probably damaging Het
Pde4dip A T 3: 97,625,552 (GRCm39) Y1349N probably damaging Het
Pitpnm2 A G 5: 124,271,469 (GRCm39) L368P probably damaging Het
Pnpla8 T A 12: 44,330,030 (GRCm39) I194K possibly damaging Het
Podn T C 4: 107,881,470 (GRCm39) probably null Het
Potefam1 A G 2: 111,058,595 (GRCm39) probably null Het
Pramel6 A T 2: 87,339,923 (GRCm39) E229V possibly damaging Het
Ptpro C T 6: 137,426,915 (GRCm39) P262L probably damaging Het
Rnf122 A T 8: 31,608,488 (GRCm39) T19S probably benign Het
Shank2 T A 7: 143,635,585 (GRCm39) Y320N possibly damaging Het
Slc2a9 A C 5: 38,549,064 (GRCm39) I243S probably damaging Het
Slc5a6 A T 5: 31,197,749 (GRCm39) M130K probably benign Het
Stx5a A G 19: 8,732,533 (GRCm39) probably benign Het
Tbr1 G T 2: 61,642,079 (GRCm39) G185V probably damaging Het
Tg A G 15: 66,565,207 (GRCm39) D1183G probably benign Het
Thbs1 A T 2: 117,950,433 (GRCm39) I689F probably damaging Het
Ticam1 C T 17: 56,576,900 (GRCm39) E732K probably benign Het
Trgv6 G T 13: 19,374,814 (GRCm39) G40W possibly damaging Het
Trub2 A T 2: 29,677,796 (GRCm39) probably benign Het
Ttn A G 2: 76,597,306 (GRCm39) V19869A probably damaging Het
Tufm T C 7: 126,088,607 (GRCm39) V303A possibly damaging Het
Vezf1 T C 11: 87,964,145 (GRCm39) I99T possibly damaging Het
Vmn2r1 T C 3: 63,989,118 (GRCm39) V19A probably benign Het
Xpc C T 6: 91,481,005 (GRCm39) R289K probably damaging Het
Zfp811 T A 17: 33,016,406 (GRCm39) K545* probably null Het
Zmiz2 G A 11: 6,352,413 (GRCm39) D623N probably 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
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'- TGAGGCTCACATACACCTTCC -3'
(R):5'- GCTTCCAGCTGGTTACACAC -3'

Sequencing Primer
(F):5'- TTCCCCCAGCAGCAGGTAAAC -3'
(R):5'- ACATGTTAGGCAGCAGCTC -3'
Posted On 2019-05-30