Details of Protein

General Information of Protein (ID: PRT00926)
Name ER alpha-1,2-mannosidase (MAN1B1)
Synonyms   Click to Show/Hide Synonyms of This Protein
ER alpha-1,2-mannosidase; Endoplasmic reticulum mannosyl-oligosaccharide 1,2-alpha-mannosidase; ERMan1; Man9GlcNAc2-specific-processing alpha-mannosidase; Mannosidase alpha class 1B member 1; UNQ747/PRO1477; MAN1B1
Gene Name MAN1B1 Gene ID
11253
UniProt ID
Q9UKM7
Family Hydrolases (EC 3)
EC Number   EC: 3.2.1.113  (Click to Show/Hide the Complete EC Tree)
Hydrolases
Glycosylase
O/S-glycosyl compound glycosidase
EC: 3.2.1.113
  Click to Show/Hide the Molecular/Functional Data (Sequence/Structure/Function) of This Protein
Sequence
MAACEGRRSGALGSSQSDFLTPPVGGAPWAVATTVVMYPPPPPPPHRDFISVTLSFGENY
DNSKSWRRRSCWRKWKQLSRLQRNMILFLLAFLLFCGLLFYINLADHWKALAFRLEEEQK
MRPEIAGLKPANPPVLPAPQKADTDPENLPEISSQKTQRHIQRGPPHLQIRPPSQDLKDG
TQEEATKRQEAPVDPRPEGDPQRTVISWRGAVIEPEQGTELPSRRAEVPTKPPLPPARTQ
GTPVHLNYRQKGVIDVFLHAWKGYRKFAWGHDELKPVSRSFSEWFGLGLTLIDALDTMWI
LGLRKEFEEARKWVSKKLHFEKDVDVNLFESTIRILGGLLSAYHLSGDSLFLRKAEDFGN
RLMPAFRTPSKIPYSDVNIGTGVAHPPRWTSDSTVAEVTSIQLEFRELSRLTGDKKFQEA
VEKVTQHIHGLSGKKDGLVPMFINTHSGLFTHLGVFTLGARADSYYEYLLKQWIQGGKQE
TQLLEDYVEAIEGVRTHLLRHSEPSKLTFVGELAHGRFSAKMDHLVCFLPGTLALGVYHG
LPASHMELAQELMETCYQMNRQMETGLSPEIVHFNLYPQPGRRDVEVKPADRHNLLRPET
VESLFYLYRVTGDRKYQDWGWEILQSFSRFTRVPSGGYSSINNVQDPQKPEPRDKMESFF
LGETLKYLFLLFSDDPNLLSLDAYVFNTEAHPLPIWTPA
Structure
1FMI ; 1FO2 ; 1FO3 ; 1X9D ; 5KIJ ; 5KK7
Function Involved in glycoprotein quality control targeting of misfolded glycoproteins for degradation. It primarily trims a single alpha-1,2-linked mannose residue from Man(9)GlcNAc(2) to produce Man(8)GlcNAc(2), but at high enzyme concentrations, as found in the ER quality control compartment (ERQC), it further trims the carbohydrates to Man(5-6)GlcNAc(2).
Regulatory Network
Full List of Metabolite(s) Regulating This Protein
      Organic acids and derivatives
            Glutamine Click to Show/Hide the Full List of Regulating Pair(s):   1 Pair(s)
               Detailed Information Metabo  Info click to show the details of this metabolite
               Regulating Pair Experim Info click to show the details of experiment for validating this pair [1]
                      Introduced Variation Glutamine absence (16 hours)
                      Induced Change MAN1B1 protein abundance levels: decrease (FC = 0.75)
                      Summary Introduced Variation         Induced Change 
                      Disease Status Hepatocellular carcinoma [ICD-11: 2C12]
                      Details It is reported that glutamine absence causes the decrease of MAN1B1 protein abundance compared with control group.
References
1 Quantitative proteomics analysis reveals glutamine deprivation activates fatty acid -oxidation pathway in HepG2 cells. Amino Acids. 2016 May;48(5):1297-307.

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