Incidental Mutation 'R8406:Man2b1'
ID 652422
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 067765-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8406 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 85822907 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Leucine at position 816 (R816L)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121]
AlphaFold O09159
Predicted Effect probably damaging
Transcript: ENSMUST00000034121
AA Change: R816L

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: R816L

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: 99.6%
  • 20x: 98.7%
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
Abca8a A G 11: 109,977,343 (GRCm39) F139L probably damaging Het
Adgrg6 A T 10: 14,343,082 (GRCm39) D288E probably benign Het
Agbl1 A G 7: 76,068,415 (GRCm39) E327G Het
Aipl1 T A 11: 71,922,332 (GRCm39) M126L possibly damaging Het
Alkal2 G T 12: 30,934,850 (GRCm39) G23V probably damaging Het
Arl3 A T 19: 46,530,823 (GRCm39) S157T probably benign Het
Armc3 A T 2: 19,240,365 (GRCm39) I41F probably damaging Het
Atg9a A C 1: 75,167,028 (GRCm39) Y8D probably damaging Het
Atp10b T G 11: 43,093,984 (GRCm39) H509Q probably benign Het
Cabyr C A 18: 12,883,804 (GRCm39) T97K probably benign Het
Ccdc91 T C 6: 147,438,920 (GRCm39) F174S possibly damaging Het
Cep350 A T 1: 155,798,164 (GRCm39) H1207Q probably benign Het
Clstn3 A T 6: 124,439,136 (GRCm39) N40K probably damaging Het
Col4a4 G A 1: 82,501,611 (GRCm39) P381S unknown Het
Cpne5 A T 17: 29,428,455 (GRCm39) F116Y probably benign Het
Csf2rb2 T C 15: 78,171,216 (GRCm39) T457A probably benign Het
Cyb5d2 T C 11: 72,679,959 (GRCm39) E112G probably benign Het
Cyp2b13 T C 7: 25,781,223 (GRCm39) F212L probably benign Het
Dlx6 T G 6: 6,863,779 (GRCm39) S134A probably benign Het
Egln1 A G 8: 125,638,489 (GRCm39) Y380H probably benign Het
Fbxl13 A T 5: 21,728,652 (GRCm39) I479N probably damaging Het
Fhip1a G T 3: 85,580,027 (GRCm39) P726Q probably benign Het
Fis1 A G 5: 136,991,865 (GRCm39) K20E probably benign Het
Foxk1 G T 5: 142,387,528 (GRCm39) V84L unknown Het
Gdf5 C A 2: 155,784,272 (GRCm39) G227W probably damaging Het
Ghrh T A 2: 157,175,656 (GRCm39) T13S probably benign Het
Gnb2 A G 5: 137,526,865 (GRCm39) L308P probably damaging Het
Grik2 A T 10: 49,148,863 (GRCm39) V574D probably damaging Het
Hydin A T 8: 111,336,543 (GRCm39) I5107F possibly damaging Het
Kl A T 5: 150,906,229 (GRCm39) Y533F probably benign Het
Myo5c T C 9: 75,182,823 (GRCm39) Y821H probably damaging Het
Myo7b A T 18: 32,092,866 (GRCm39) C2076S probably damaging Het
Naip6 C T 13: 100,436,784 (GRCm39) A580T possibly damaging Het
Nectin2 A T 7: 19,472,275 (GRCm39) V38E probably damaging Het
Or13a24 A T 7: 140,154,044 (GRCm39) probably benign Het
Osbpl9 T C 4: 108,921,770 (GRCm39) Y536C possibly damaging Het
Pcdh18 T G 3: 49,710,998 (GRCm39) I106L probably damaging Het
Pde4dip T C 3: 97,606,428 (GRCm39) K2149E probably benign Het
Pds5a A T 5: 65,803,681 (GRCm39) C588S probably benign Het
Phf8-ps C A 17: 33,286,038 (GRCm39) A255S probably benign Het
Pop1 T C 15: 34,529,316 (GRCm39) M812T probably benign Het
Pou2f3 T C 9: 43,051,153 (GRCm39) T178A probably damaging Het
Rab44 C T 17: 29,359,294 (GRCm39) A494V unknown Het
Ros1 G C 10: 51,977,941 (GRCm39) T1456S possibly damaging Het
Rubcnl T G 14: 75,289,425 (GRCm39) F644L probably damaging Het
Saraf C T 8: 34,632,602 (GRCm39) P227L probably benign Het
Sh3glb1 T G 3: 144,397,198 (GRCm39) E383D probably damaging Het
Sh3rf3 T C 10: 58,919,407 (GRCm39) V508A probably damaging Het
Sirt6 A T 10: 81,458,328 (GRCm39) H308Q probably benign Het
Slc29a1 T A 17: 45,900,706 (GRCm39) I119F probably damaging Het
Smtnl1 C T 2: 84,648,742 (GRCm39) E171K probably benign Het
Spg11 T A 2: 121,923,923 (GRCm39) E799D probably damaging Het
Tecpr1 A T 5: 144,137,658 (GRCm39) W894R probably damaging Het
Tiam2 A C 17: 3,558,065 (GRCm39) I1230L possibly damaging Het
Tnfrsf8 A G 4: 145,019,265 (GRCm39) L190P probably damaging Het
Trim35 C T 14: 66,534,724 (GRCm39) T69M possibly damaging Het
Ttll7 T C 3: 146,645,779 (GRCm39) Y546H probably benign Het
Ubash3b C T 9: 40,940,971 (GRCm39) G389R probably damaging Het
Vma21-ps C T 4: 52,497,034 (GRCm39) V71I probably damaging Het
Vmn1r43 T A 6: 89,847,414 (GRCm39) H24L possibly damaging Het
Vps37c T A 19: 10,687,719 (GRCm39) L60Q probably damaging Het
Ythdf2 A G 4: 131,931,946 (GRCm39) W405R probably damaging Het
Zfp775 T C 6: 48,597,637 (GRCm39) C504R probably damaging Het
Zfp82 A G 7: 29,761,652 (GRCm39) probably null Het
Zpr1 T A 9: 46,185,400 (GRCm39) I127N 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
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
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'- GTTCAGGCCTTGACTTGTCC -3'
(R):5'- AGTGATAGGGACTGCTACCACC -3'

Sequencing Primer
(F):5'- GGCTCTTGTCAATTGGGCCTC -3'
(R):5'- TAGGGACTGCTACCACCCAGAG -3'
Posted On 2020-10-20