Incidental Mutation 'R2026:Man2b1'
ID 220632
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R2026 (G1)
Quality Score 225
Status Not validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to C at 85821964 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tryptophan to Cysteine at position 726 (W726C)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121]
AlphaFold O09159
Predicted Effect probably damaging
Transcript: ENSMUST00000034121
AA Change: W726C

PolyPhen 2 Score 0.993 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: W726C

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: 99.4%
  • 3x: 98.7%
  • 10x: 97.3%
  • 20x: 95.3%
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: 68 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
6430548M08Rik A G 8: 120,880,205 (GRCm39) K269R probably benign Het
Abcc12 A G 8: 87,284,862 (GRCm39) V251A probably benign Het
Avil G A 10: 126,847,742 (GRCm39) G556S probably damaging Het
C3 T C 17: 57,525,562 (GRCm39) Y898C probably damaging Het
Cacng2 A G 15: 77,879,720 (GRCm39) F201L possibly damaging Het
Casp7 T A 19: 56,424,830 (GRCm39) I183N probably damaging Het
Cntn3 A T 6: 102,397,388 (GRCm39) W62R probably damaging Het
Ctrb1 T C 8: 112,415,317 (GRCm39) N119S probably benign Het
Cyp3a59 G A 5: 146,033,098 (GRCm39) V157M probably damaging Het
Dhfr G T 13: 92,502,279 (GRCm39) G117* probably null Het
Dido1 A T 2: 180,330,974 (GRCm39) L158* probably null Het
Dlg2 C A 7: 91,614,931 (GRCm39) P290Q probably damaging Het
Dnah3 T A 7: 119,638,629 (GRCm39) Q1240L probably damaging Het
Exd1 A T 2: 119,350,786 (GRCm39) S492T probably benign Het
Fermt1 T C 2: 132,760,445 (GRCm39) I415M probably benign Het
Fsip2 A G 2: 82,819,788 (GRCm39) T5174A possibly damaging Het
Fuca2 T G 10: 13,388,391 (GRCm39) V389G probably damaging Het
Gm14412 A T 2: 177,008,898 (GRCm39) H50Q possibly damaging Het
Gm5129 G A 5: 29,940,732 (GRCm39) probably benign Het
Hif3a T C 7: 16,778,322 (GRCm39) R437G possibly damaging Het
Hook3 T C 8: 26,528,126 (GRCm39) E588G probably damaging Het
Hs1bp3 A G 12: 8,387,738 (GRCm39) E301G probably benign Het
Icam2 A G 11: 106,273,268 (GRCm39) F15L probably benign Het
Ice2 T C 9: 69,323,607 (GRCm39) S701P probably benign Het
Igf2bp1 A G 11: 95,864,996 (GRCm39) V151A possibly damaging Het
Lig4 A T 8: 10,022,436 (GRCm39) L448Q probably damaging Het
Mepe T C 5: 104,474,957 (GRCm39) S13P possibly damaging Het
Msh6 C T 17: 88,297,771 (GRCm39) H1264Y probably damaging Het
Ncoa1 A T 12: 4,317,647 (GRCm39) S1228R probably benign Het
Ndufa10 A G 1: 92,367,614 (GRCm39) Y339H probably damaging Het
Nup155 A T 15: 8,187,244 (GRCm39) H1391L probably damaging Het
Nutm2 A G 13: 50,628,856 (GRCm39) H640R probably benign Het
Or11i1 T C 3: 106,729,027 (GRCm39) I283V probably benign Het
Or2t1 T C 14: 14,328,891 (GRCm38) V260A probably benign Het
Or51ac3 T A 7: 103,214,084 (GRCm39) Y134F probably damaging Het
Or5b123 T A 19: 13,596,945 (GRCm39) C140S probably damaging Het
Or5w1b G T 2: 87,475,753 (GRCm39) A238E probably damaging Het
Or6c211 T A 10: 129,506,334 (GRCm39) D18V probably damaging Het
Pde1c C T 6: 56,157,175 (GRCm39) V162I probably damaging Het
Pdss2 A T 10: 43,269,871 (GRCm39) N238I possibly damaging Het
Pfas C T 11: 68,884,783 (GRCm39) G473E probably damaging Het
Pkn1 A G 8: 84,398,007 (GRCm39) V795A probably damaging Het
Polq A G 16: 36,883,107 (GRCm39) D1757G possibly damaging Het
Popdc3 T C 10: 45,190,951 (GRCm39) W21R probably damaging Het
Ptch1 T G 13: 63,672,773 (GRCm39) E944A probably benign Het
Ptpro T A 6: 137,420,592 (GRCm39) V1007D probably damaging Het
Pwwp4a G T X: 72,171,261 (GRCm39) G218C probably damaging Het
Rfc1 G T 5: 65,445,372 (GRCm39) T412K probably damaging Het
Sap130 T C 18: 31,831,627 (GRCm39) S706P possibly damaging Het
Scgn T C 13: 24,175,047 (GRCm39) probably benign Het
Smad7 T C 18: 75,527,225 (GRCm39) V357A probably damaging Het
Snrnp48 G T 13: 38,393,862 (GRCm39) A56S possibly damaging Het
Sptbn1 G T 11: 30,054,559 (GRCm39) A2178E probably benign Het
Syn2 C T 6: 115,255,212 (GRCm39) T508I probably benign Het
Tedc2 T A 17: 24,435,291 (GRCm39) E366V probably damaging Het
Tedc2 C A 17: 24,435,292 (GRCm39) E366* probably null Het
Tmtc4 T C 14: 123,158,677 (GRCm39) N682S probably benign Het
Trpm7 T C 2: 126,654,658 (GRCm39) K1427E probably benign Het
Trrap A G 5: 144,739,854 (GRCm39) I1118V possibly damaging Het
Tslp A T 18: 32,948,725 (GRCm39) I37L probably benign Het
Ttll3 G A 6: 113,375,731 (GRCm39) V297M probably damaging Het
Ttn T C 2: 76,540,713 (GRCm39) D34091G possibly damaging Het
Txndc11 CCCGCCGCCGCCGCCGC CCCGCCGCCGCCGC 16: 10,952,338 (GRCm39) probably benign Het
Ube3a T C 7: 58,953,474 (GRCm39) F803L probably damaging Het
Ubn1 A G 16: 4,882,514 (GRCm39) E325G probably damaging Het
Wfikkn2 A G 11: 94,129,779 (GRCm39) W121R possibly damaging Het
Zfp579 C A 7: 4,996,520 (GRCm39) E464* probably null Het
Zfp616 A T 11: 73,974,413 (GRCm39) L227F possibly 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
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'- GCCTGGTGTTCCCAAGTGATTC -3'
(R):5'- TGGGTCGATAATCATCCCTGG -3'

Sequencing Primer
(F):5'- TGATTCGCCTGTACAAAGGAC -3'
(R):5'- TCGATAATCATCCCTGGGAAGG -3'
Posted On 2014-08-25