Gene Gene information from NCBI Gene database.
Entrez ID 4125
Gene name Mannosidase alpha class 2B member 1
Gene symbol MAN2B1
Synonyms (NCBI Gene)
LAMANMANB
Chromosome 19
Chromosome location 19p13.13
Summary 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 o
SNPs SNP information provided by dbSNP.
67
SNP ID Visualize variation Clinical significance Consequence
rs80338677 C>G Pathogenic Splice donor variant
rs80338678 T>C Pathogenic Splice acceptor variant
rs80338679 C>T Pathogenic Splice donor variant
rs80338680 G>A,C,T Pathogenic Synonymous variant, coding sequence variant, missense variant
rs80338681 A>G Pathogenic-likely-pathogenic Coding sequence variant, missense variant
miRNA miRNA information provided by mirtarbase database.
36
miRTarBase ID miRNA Experiments Reference
MIRT028480 hsa-miR-30a-5p Proteomics 18668040
MIRT1127348 hsa-miR-1203 CLIP-seq
MIRT1127349 hsa-miR-1587 CLIP-seq
MIRT1127350 hsa-miR-1913 CLIP-seq
MIRT1127351 hsa-miR-3150b-3p CLIP-seq
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
25
GO ID Ontology Definition Evidence Reference
GO:0003824 Function Catalytic activity IEA
GO:0004559 Function Alpha-mannosidase activity IBA
GO:0004559 Function Alpha-mannosidase activity IEA
GO:0004559 Function Alpha-mannosidase activity TAS 8910458
GO:0005576 Component Extracellular region TAS
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
609458 6826 ENSG00000104774
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
O00754
Protein name Lysosomal alpha-mannosidase (Laman) (EC 3.2.1.24) (Lysosomal acid alpha-mannosidase) (Mannosidase alpha class 2B member 1) (Mannosidase alpha-B) [Cleaved into: Lysosomal alpha-mannosidase A peptide; Lysosomal alpha-mannosidase B peptide; Lysosomal alpha-m
Protein function Necessary for the catabolism of N-linked carbohydrates released during glycoprotein turnover. Cleaves all known types of alpha-mannosidic linkages.
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF01074 Glyco_hydro_38N 64 381 Glycosyl hydrolases family 38 N-terminal domain Domain
PF09261 Alpha-mann_mid 386 483 Alpha mannosidase middle domain Domain
PF07748 Glyco_hydro_38C 607 823 Glycosyl hydrolases family 38 C-terminal domain Domain
PF17677 Glyco_hydro38C2 899 1001 Glycosyl hydrolases family 38 C-terminal beta sandwich domain Domain
Sequence
MGAYARASGVCARGCLDSAGPWTMSRALRPPLPPLCFFLLLLAAAGARAGGYETCPTVQP
NMLNVHLLPHTHDDVGWLKTVDQYFYGIKNDIQHAGVQYILDSVISALLADPTRRFIYVE
IAFFSRWWHQQTNATQEVVRDLVRQGRLEFANGGWVMNDEAATHYGAIVDQMTLGLRFLE
DTFGNDGRPRVAWHIDPFGHSREQASLFAQMGFDGFFFGRLDYQDKWVRMQKLEMEQVWR
ASTSLKPPTADLFTGVLPNGYNPPRNLCWDVLCVDQPLVEDPRSPEYNAKELVDYFLNVA
TAQGRYYRTNHTVMTMGSDFQYENANMWFKNLDKLIRLVNAQQAKGSSVHVLYSTPACYL
WELNKANLTWSVKHDDFFPYA
DGPHQFWTGYFSSRPALKRYERLSYNFLQVCNQLEALVG
LAANVGPYGSGDSAPLNEAMAVLQHHDAVSGTSRQHVANDYARQLAAGWGPCEVLLSNAL
ARL
RGFKDHFTFCQQLNISICPLSQTAARFQVIVYNPLGRKVNWMVRLPVSEGVFVVKDP
NGRTVPSDVVIFPSSDSQAHPPELLFSASLPALGFSTYSVAQVPRWKPQARAPQPIPRRS
WSPALTIENEHIRATFDPDTGLLMEIMNMNQQLLLPVRQTFFWYNASIGDNESDQASGAY
IFRPNQQKPLPVSRWAQIHLVKTPLVQEVHQNFSAWCSQVVRLYPGQRHLELEWSVGPIP
VGDTWGKEVISRFDTPLETKGRFYTDSNGREILERRRDYRPTWKLNQTEPVAGNYYPVNT
RIYITDGNMQLTVLTDRSQGGSSLRDGSLELMVHRRLLKDDGR
GVSEPLMENGSGAWVRG
RHLVLLDTAQAAAAGHRLLAEQEVLAPQVVLAPGGGAAYNLGAPPRTQFSGLRRDLPPSV
HLLTLASWGPEMVLLRLEHQFAVGEDSGRNLSAPVTLNLRDLFSTFTITRLQETTLVANQ
LREAASRLKWTTNTGPTPHQTPYQLDPANITLEPMEIRTFL
ASVQWKEVDG
Sequence length 1011
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Other glycan degradation
Lysosome
  Neutrophil degranulation
Lysosomal oligosaccharide catabolism
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
25
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Craniosynostosis syndrome Pathogenic rs2145290706 RCV001376179
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Deficiency of alpha-mannosidase Pathogenic; Likely pathogenic rs2024019978, rs2023783146, rs2145221516, rs2145225250, rs1347035611, rs1392422167, rs2145256864, rs2145261994, rs2145262260, rs2145287284, rs1160557969, rs2145289566, rs1735642901, rs2024251717, rs2145294424
View all (277 more)
RCV001329966
RCV001377753
RCV001387084
RCV001382124
RCV001386792
View all (304 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Familial cancer of breast Likely pathogenic; Pathogenic rs1008745697 RCV005901472
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Intellectual disability Pathogenic; Likely pathogenic rs2145290706, rs1057517408 RCV001376179
RCV001374658
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
Acute myeloid leukemia Benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ALPHA-MANNOSIDOSIS GenCC
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Cervical cancer Benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CRANIOSYNOSTOSIS Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Age related macular degeneration Age-related macular degeneration BEFREE 19743435, 26354342
★☆☆☆☆
Found in Text Mining only
alpha-Mannosidosis Alpha-Mannosidosis BEFREE 10400983, 15269179, 16766199, 16919251, 19743435, 26048034, 27814608, 31017416, 31198684, 318154, 9158146, 9396732, 9758606
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
alpha-Mannosidosis Alpha-Mannosidosis CLINVAR_DG 11959458, 12634058, 1472354, 15035660, 15712269, 17979865, 19958498, 20165920, 21505070, 22161967, 23613340, 25762455, 26048034, 9758606, 9915946
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
alpha-Mannosidosis Alpha-Mannosidosis UNIPROT_DG 12718372, 15712269, 22161967, 9158146, 9758606, 9915946
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
alpha-Mannosidosis Alpha-Mannosidosis GENOMICS_ENGLAND_DG 27604308, 9758606, 9915946
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
alpha-Mannosidosis Alpha-Mannosidosis CTD_human_DG
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Alpha-mannosidosis, adult form Alpha-Mannosidosis Orphanet
★☆☆☆☆
Found in Text Mining only
Alpha-mannosidosis, infantile form Alpha-Mannosidosis Orphanet
★☆☆☆☆
Found in Text Mining only
Cerebellar atrophy Cerebellar atrophy HPO_DG
★☆☆☆☆
Found in Text Mining only
Cerebral atrophy Cerebral Atrophy HPO_DG
★☆☆☆☆
Found in Text Mining only