Structure of PDB 2ri9 Chain A Binding Site BS01

Receptor Information
>2ri9 Chain A (length=475) Species: 5077 (Penicillium citrinum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SNQAKADAVKEAFQHAWNGYMKYAFPHDELTPVSNGHADSRNGWGASAVD
ALSTAVIMGKADVVNAILEHVADIDFSKTSDTVSLFETTIRYLAGMLSGY
DLLQGPAKNLVDNQDLIDGLLDQSRNLADVLKFAFDTPSGVPYNNINITS
HGNDGATTNGLAVTGTLVLEWTRLSDLTGDEEYAKLSQKAESYLLKPQPS
SSEPFPGLVGSSININDGQFADSRVSWNGGDDSFYEYLIKMYVYDPKRFE
TYKDRWVLAAESTIKHLKSHPKSRPDLTFLSSYSNRNYDLSSQHLTCFDG
GSFLLGGTVLDRQDFIDFGLELVDGCEATYNSTLTKIGPDSWGWDPKKVP
SDQKEFYEKAGFYISSGSYVLRPEVIESFYYAHRVTGKEIYRDWVWNAFV
AINSTCRTDSGFAAVSDVNKANGGSKYDNQESFLFAEVMKYSYLAHSEDA
AWQVQKGGKNTFVYNTEAHPISVAR
Ligand information
Ligand IDMMA
InChIInChI=1S/C7H14O6/c1-12-7-6(11)5(10)4(9)3(2-8)13-7/h3-11H,2H2,1H3/t3-,4-,5+,6+,7+/m1/s1
InChIKeyHOVAGTYPODGVJG-VEIUFWFVSA-N
SMILES
SoftwareSMILES
CACTVS 3.341CO[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@@H]1O
ACDLabs 10.04OC1C(O)C(O)C(OC1OC)CO
OpenEye OEToolkits 1.5.0CO[C@@H]1[C@H]([C@H]([C@@H]([C@H](O1)CO)O)O)O
CACTVS 3.341CO[CH]1O[CH](CO)[CH](O)[CH](O)[CH]1O
OpenEye OEToolkits 1.5.0COC1C(C(C(C(O1)CO)O)O)O
FormulaC7 H14 O6
Namemethyl alpha-D-mannopyranoside;
O1-METHYL-MANNOSE;
methyl alpha-D-mannoside;
methyl D-mannoside;
methyl mannoside
ChEMBLCHEMBL195368
DrugBankDB01979
ZINCZINC000004261920
PDB chain2ri9 Chain F Residue 1 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB2ri9 Modulation of activity by Arg407: structure of a fungal alpha-1,2-mannosidase in complex with a substrate analogue.
Resolution1.95 Å
Binding residue
(original residue number in PDB)		F1121 V1198 G1265 D1267
Binding residue
(residue number reindexed from 1)		F86 V163 G230 D232
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) E1122 R1126 D1267 E1409
Catalytic site (residue number reindexed from 1) E87 R91 D232 E374
Enzyme Commision number 3.2.1.113: mannosyl-oligosaccharide 1,2-alpha-mannosidase.
Gene Ontology
Molecular Function
GO:0004571 mannosyl-oligosaccharide 1,2-alpha-mannosidase activity
GO:0005509 calcium ion binding
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0046872 metal ion binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0006486 protein glycosylation
GO:0036503 ERAD pathway
GO:1904382 mannose trimming involved in glycoprotein ERAD pathway
Cellular Component
GO:0005576 extracellular region
GO:0005783 endoplasmic reticulum
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2ri9, PDBe:2ri9, PDBj:2ri9
PDBsum2ri9
PubMed18323617
UniProtP31723|MAN12_PENCI Mannosyl-oligosaccharide alpha-1,2-mannosidase (Gene Name=MSDC)

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