Incidental Mutation 'R6341:Man2b1'
ID 514394
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 044495-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6341 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 85822028 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Cysteine at position 748 (S748C)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121]
AlphaFold O09159
Predicted Effect probably damaging
Transcript: ENSMUST00000034121
AA Change: S748C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: S748C

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: 99.9%
  • 3x: 99.5%
  • 10x: 97.6%
  • 20x: 92.6%
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: 70 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acap2 T C 16: 30,924,364 (GRCm39) D658G possibly damaging Het
Amz2 A G 11: 109,319,653 (GRCm39) H13R probably benign Het
Ankrd27 G T 7: 35,326,828 (GRCm39) probably null Het
Atp8a1 T C 5: 67,840,270 (GRCm39) T704A possibly damaging Het
Cabin1 A T 10: 75,494,573 (GRCm39) M1602K probably damaging Het
Ccdc74a T C 16: 17,465,978 (GRCm39) S105P probably damaging Het
Cdh26 T A 2: 178,113,366 (GRCm39) probably null Het
Cxcl10 T C 5: 92,496,072 (GRCm39) I22V probably benign Het
Cyp2c68 A C 19: 39,700,933 (GRCm39) V295G possibly damaging Het
Ddx10 A T 9: 53,115,551 (GRCm39) D594E probably benign Het
Ddx5 T C 11: 106,676,368 (GRCm39) probably null Het
Duox1 T C 2: 122,168,202 (GRCm39) I1109T probably damaging Het
Dusp15 T C 2: 152,788,204 (GRCm39) probably null Het
Ecel1 A G 1: 87,078,193 (GRCm39) probably null Het
Efcab6 T G 15: 83,820,139 (GRCm39) Q714P possibly damaging Het
Erc1 A G 6: 119,754,959 (GRCm39) L464P possibly damaging Het
Fam234a T A 17: 26,432,667 (GRCm39) H494L probably damaging Het
Gfpt1 T C 6: 87,065,127 (GRCm39) V694A probably damaging Het
Gli2 T C 1: 118,763,954 (GRCm39) D1399G probably damaging Het
Gm10110 T C 14: 90,134,144 (GRCm39) noncoding transcript Het
Hdac3 A G 18: 38,077,217 (GRCm39) L219P probably damaging Het
Hlcs A G 16: 94,032,022 (GRCm39) F52S probably damaging Het
Ints7 C A 1: 191,345,239 (GRCm39) T643K probably damaging Het
Ireb2 A G 9: 54,816,064 (GRCm39) I878M probably damaging Het
Itga3 A T 11: 94,946,677 (GRCm39) probably null Het
Lrfn5 T A 12: 61,890,368 (GRCm39) Y552* probably null Het
Mafb T C 2: 160,208,371 (GRCm39) T76A probably damaging Het
Mmp15 G T 8: 96,092,091 (GRCm39) probably null Het
Mmp17 A T 5: 129,679,019 (GRCm39) R335W probably damaging Het
Muc5ac A T 7: 141,355,229 (GRCm39) D1005V probably damaging Het
Myh3 T C 11: 66,973,822 (GRCm39) F165S probably benign Het
Nacc1 T C 8: 85,401,420 (GRCm39) D419G probably benign Het
Neb G A 2: 52,099,486 (GRCm39) S4545L probably damaging Het
Niban3 C T 8: 72,052,721 (GRCm39) P65L probably damaging Het
Npas2 T C 1: 39,339,768 (GRCm39) I106T probably damaging Het
Ogfrl1 T G 1: 23,408,944 (GRCm39) K427N probably benign Het
Or5b12 T C 19: 12,896,843 (GRCm39) T277A probably benign Het
Pde4dip T A 3: 97,602,227 (GRCm39) Q2283L probably benign Het
Phax C T 18: 56,706,173 (GRCm39) T21M possibly damaging Het
Pitpnm1 A T 19: 4,152,829 (GRCm39) K79* probably null Het
Pkd1 T A 17: 24,799,201 (GRCm39) F2807I probably damaging Het
Plekha4 C T 7: 45,190,572 (GRCm39) R427C probably damaging Het
Ptprj A T 2: 90,288,693 (GRCm39) F757L probably benign Het
Rad1 A G 15: 10,492,907 (GRCm39) D208G probably damaging Het
Rangrf T A 11: 68,863,538 (GRCm39) N156I probably benign Het
Rasl11b T C 5: 74,359,037 (GRCm39) S181P probably damaging Het
Rigi T A 4: 40,222,199 (GRCm39) probably null Het
Rlf G A 4: 121,006,557 (GRCm39) Q808* probably null Het
Rogdi G T 16: 4,831,241 (GRCm39) probably null Het
Sec24a A T 11: 51,608,603 (GRCm39) V573D probably damaging Het
Sorbs2 A G 8: 46,223,615 (GRCm39) T200A probably damaging Het
Srgap2 C T 1: 131,219,367 (GRCm39) R259H probably benign Het
Ssc5d T A 7: 4,939,664 (GRCm39) V700E probably benign Het
Stt3a A T 9: 36,662,592 (GRCm39) H222Q probably damaging Het
Tcaf3 A T 6: 42,574,193 (GRCm39) D6E possibly damaging Het
Tdrd12 C T 7: 35,189,473 (GRCm39) R421H probably damaging Het
Top3b T C 16: 16,696,935 (GRCm39) M62T probably damaging Het
Trhr T G 15: 44,092,694 (GRCm39) Y310* probably null Het
Urb2 G T 8: 124,757,864 (GRCm39) E1190D probably damaging Het
Usp34 A G 11: 23,331,353 (GRCm39) T1085A probably damaging Het
Vmn1r179 T A 7: 23,628,491 (GRCm39) H227Q possibly damaging Het
Vmn1r31 A T 6: 58,448,995 (GRCm39) M290K probably benign Het
Wdr75 T C 1: 45,841,291 (GRCm39) probably null Het
Wnk1 A T 6: 119,925,546 (GRCm39) V1306D probably damaging Het
Xkr4 T C 1: 3,741,001 (GRCm39) T191A probably benign Het
Zc3h15 A G 2: 83,491,567 (GRCm39) E265G probably benign Het
Zcchc9 A G 13: 91,948,816 (GRCm39) F41S possibly damaging Het
Zfp251 T C 15: 76,738,337 (GRCm39) H247R probably damaging Het
Zfp433 A G 10: 81,555,957 (GRCm39) E152G probably damaging Het
Zfp770 A T 2: 114,027,240 (GRCm39) S276R probably benign 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
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'- TGATTCGCCTGTACAAAGGAC -3'
(R):5'- TGATTCAATGTCCAGGTGGG -3'

Sequencing Primer
(F):5'- CTGTACAAAGGACAGCGCCATTTG -3'
(R):5'- TCCAGGTGGGTCGATAATCATCC -3'
Posted On 2018-04-27