Incidental Mutation 'R6828:Man2b1'
ID 534256
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 045020-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6828 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 85813548 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Threonine at position 247 (P247T)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121] [ENSMUST00000079764] [ENSMUST00000140621] [ENSMUST00000209264] [ENSMUST00000209361]
AlphaFold O09159
Predicted Effect possibly damaging
Transcript: ENSMUST00000034121
AA Change: P247T

PolyPhen 2 Score 0.885 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: P247T

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: ENSMUST00000079764
SMART Domains Protein: ENSMUSP00000078697
Gene: ENSMUSG00000059355

DomainStartEndE-ValueType
low complexity region 7 21 N/A INTRINSIC
Pfam:UPF0139 85 183 6.8e-53 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000140621
SMART Domains Protein: ENSMUSP00000117962
Gene: ENSMUSG00000059355

DomainStartEndE-ValueType
Pfam:UPF0139 5 88 1.4e-37 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000209264
Predicted Effect probably benign
Transcript: ENSMUST00000209361
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.4%
  • 20x: 98.0%
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca17 A T 17: 24,545,389 (GRCm39) M349K possibly damaging Het
Akap12 A G 10: 4,304,606 (GRCm39) E472G probably damaging Het
Ap2s1 T C 7: 16,482,626 (GRCm39) Y94H probably damaging Het
Apeh A G 9: 107,964,237 (GRCm39) F530L probably damaging Het
Aplnr G A 2: 84,970,103 (GRCm39) probably benign Het
Arid3b A G 9: 57,717,446 (GRCm39) probably null Het
Ash1l A C 3: 88,983,420 (GRCm39) D2874A probably benign Het
Aurka T A 2: 172,199,172 (GRCm39) R277S probably damaging Het
Calhm4 A G 10: 33,919,953 (GRCm39) F105L possibly damaging Het
Ccar1 C A 10: 62,600,209 (GRCm39) W574L probably damaging Het
Cd8b1 T C 6: 71,311,100 (GRCm39) F207L probably benign Het
Clec14a T C 12: 58,315,290 (GRCm39) R111G probably damaging Het
Clk3 G A 9: 57,668,132 (GRCm39) T263I possibly damaging Het
Col11a2 A G 17: 34,272,607 (GRCm39) probably null Het
Col5a3 C T 9: 20,709,748 (GRCm39) G604D unknown Het
Cracdl T C 1: 37,663,898 (GRCm39) T667A possibly damaging Het
Crb2 ACTGCTGCTGCTGCTGCTGCTGC ACTGCTGCTGCTGCTGCTGC 2: 37,666,421 (GRCm39) probably benign Het
Ctps1 A T 4: 120,405,335 (GRCm39) V369D probably damaging Het
Dennd5b A G 6: 148,895,244 (GRCm39) I1262T probably damaging Het
Dmxl1 C T 18: 50,054,091 (GRCm39) P2566S probably damaging Het
Fam170b A G 14: 32,557,915 (GRCm39) D250G probably damaging Het
Foxs1 G A 2: 152,775,048 (GRCm39) Q2* probably null Het
Frmpd1 T C 4: 45,275,383 (GRCm39) V512A probably damaging Het
Fry G A 5: 150,389,911 (GRCm39) probably null Het
Gria1 A G 11: 57,180,288 (GRCm39) Y677C probably damaging Het
Igdcc4 T C 9: 65,029,979 (GRCm39) I343T probably benign Het
Igkv1-132 T C 6: 67,736,697 (GRCm39) V5A probably benign Het
Ikzf5 A T 7: 130,993,401 (GRCm39) C256S probably damaging Het
Itk G A 11: 46,232,045 (GRCm39) H297Y probably damaging Het
Lamb3 A G 1: 193,017,756 (GRCm39) E879G probably benign Het
Lpin2 T C 17: 71,529,123 (GRCm39) V127A probably damaging Het
Meak7 G A 8: 120,499,306 (GRCm39) T62I possibly damaging Het
Mxd3 T C 13: 55,473,967 (GRCm39) K122E probably benign Het
Npr1 C A 3: 90,372,120 (GRCm39) V231L probably benign Het
Nsd2 C T 5: 34,050,912 (GRCm39) A1263V probably damaging Het
Olfm4 A G 14: 80,258,973 (GRCm39) D374G probably damaging Het
Optc A T 1: 133,825,605 (GRCm39) I307N probably damaging Het
Or5p80 A C 7: 108,229,500 (GRCm39) Q100H possibly damaging Het
Or6c3b A T 10: 129,527,863 (GRCm39) S16T probably damaging Het
Pecr C A 1: 72,306,616 (GRCm39) E222* probably null Het
Pibf1 A G 14: 99,423,987 (GRCm39) N520S probably benign Het
Rhoj A G 12: 75,355,653 (GRCm39) N19S probably benign Het
Rock2 G A 12: 16,992,960 (GRCm39) probably null Het
Rpa1 G A 11: 75,205,697 (GRCm39) T220I probably damaging Het
Sdf2l1 C G 16: 16,950,158 (GRCm39) R6P probably benign Het
Sipa1l3 G A 7: 29,038,457 (GRCm39) H397Y probably benign Het
Snrk T C 9: 121,966,632 (GRCm39) I185T probably damaging Het
Srrt A T 5: 137,295,230 (GRCm39) V300E probably damaging Het
Taok2 A T 7: 126,471,047 (GRCm39) probably null Het
Tmem131 T C 1: 36,843,724 (GRCm39) K1379R possibly damaging Het
Usp15 T C 10: 122,963,894 (GRCm39) I543V probably damaging Het
Zfp553 A G 7: 126,835,447 (GRCm39) E334G probably damaging Het
Zim1 T C 7: 6,680,688 (GRCm39) Y325C 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
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'- CTGTGCTCTTGCCCGACTG -3'
(R):5'- ACCCCAGACCTGTCCTGG -3'

Sequencing Primer
(F):5'- CCGACTGGGCAAGAAGGC -3'
(R):5'- GGTCAGAGCCTGTCACATC -3'
Posted On 2018-09-12