Structure of PDB 1tqw Chain A Binding Site BS02

Receptor Information
>1tqw Chain A (length=1014) Species: 7227 (Drosophila melanogaster) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
CQDVVQDVPNVDVQMLELYDRMSFKDIDGGVWKQGWNIKYDPLKYNAHHK
LKVFVVPHSHNDPGWIQTFEEYYQHDTKHILSNALRHLHDNPEMKFIWAE
ISYFARFYHDLGENKKLQMKSIVKNGQLEFVTGGWVMPDEANSHWRNVLL
QLTEGQTWLKQFMNVTPTASWAIDPFGHSPTMPYILQKSGFKNMLIQRTH
YSVKKELAQQRQLEFLWRQIWDNKGDTALFTHMMPFYSYDIPHTCGPDPK
VCCQFDFKRMGSFGLSCPWKVPPRTISDQNVAARSDLLVDQWKKKAELYR
TNVLLIPLGDDFRFKQNTEWDVQRVNYERLFEHINSQAHFNVQAQFGTLQ
EYFDAVHQAERAGQAEFPTLSGDFFTYADRSDNYWSGYYTSRPYHKRMDR
VLMHYVRAAEMLSAWHSWDGMARIEERLEQARRELSLFQHHDGITGTAKT
HVVVDYEQRMQEALKACQMVMQQSVYRLLTKPSIYSPDFSFSYFTLDDSR
WPGSGVEDSRTTIILGEDILPSKHVVMHNTLPHWREQLVDFYVSSPFVSV
TDLANNPVEAQVSPVWSWHHDTLTKTIHPQGSTTKYRIIFKARVPPMGLA
TYVLTISDSKPEHTSYASNLLLRKNPTSLPLGQYPEDVKFGDPREISLRV
GNGPTLAFSEQGLLKSIQLTQDSPHVPVHFKFLKYGVRSHGDRSGAYLFL
PNGPASPVELGQPVVLVTKGKLESSVSVGLPSVVHQTIMRGGAPEIRNLV
DIGSLDNTEIVMRLETHIDSGDIFYTDLNGLQFIKRRRLDKLPLQANYYP
IPSGMFIEDANTRLTLLTGQPLGGSSLASGELEIMQDRRLASDDERGLGQ
GVLDNKPVLHIYRLVLEKVNNCVRPSKLHPAGYLTSAAHKASQSLLDPLD
KFIFAENEWIGAQGQFGGDHPSAREDLDVSVMRRLTKSSAKTQRVGYVLH
RTNLMQCGTPEEHTQKLDVCHLLPNVARCERTTLTFLQNLEHLDGMVAPE
VCPMETAAYVSSHS
Ligand information
Ligand IDBLT
InChIInChI=1S/C9H20O9SSe/c10-1-7(18-19(15,16)17)5(12)3-20-4-6(13)9(14)8(20)2-11/h5-14H,1-4H2,(H2-,15,16,17)/p-2/t5-,6+,7+,8+,9-,20+/m0/s1
InChIKeyWLNWUNIGATZIKW-KNCZUUIASA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C1[C@H]([C@@H]([C@H]([Se@@+]1C[C@@H]([C@@H](CO)OS([O-])([O-])[O-])O)CO)O)O
CACTVS 3.341OC[C@@H](O[S]([O-])([O-])[O-])[C@@H](O)C[Se@+]1C[C@@H](O)[C@H](O)[C@H]1CO
ACDLabs 10.04[O-]S([O-])([O-])OC(CO)C(O)C[Se+]1C(CO)C(O)C(O)C1
OpenEye OEToolkits 1.5.0C1C(C(C([Se+]1CC(C(CO)OS([O-])([O-])[O-])O)CO)O)O
CACTVS 3.341OC[CH](O[S]([O-])([O-])[O-])[CH](O)C[Se+]1C[CH](O)[CH](O)[CH]1CO
FormulaC9 H18 O9 S Se
Name1,4-DIDEOXY-1,4-[[2R,3R)-2,4-DIHYDROXY-3-(SULFOXY)BUTYL]EPISELENONIUMYLIDENE]-D-ARABINITOL INNER SALT;
DIASTEREOMER OF SELENO-SALACINOL
ChEMBL
DrugBank
ZINC
PDB chain1tqw Chain A Residue 1300 [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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PDB1tqw Insights into the Mechanism of Drosophila melanogaster Golgi a-Mannosidase II Through Crystallographic Analysis of the Interactions with Analogues of the Naturally Occurring Glycomimetic Salacinol
Resolution1.2 Å
Binding residue
(original residue number in PDB)
D92 W95 D204 R228 Y269 D340 D341 H471 D472 Y727 R876
Binding residue
(residue number reindexed from 1)
D62 W65 D174 R198 Y239 D310 D311 H441 D442 Y697 R846
Annotation score1
Binding affinityMOAD: ic50~7.5mM
Enzymatic activity
Catalytic site (original residue number in PDB) H90 D92 D204 D341 H471
Catalytic site (residue number reindexed from 1) H60 D62 D174 D311 H441
Enzyme Commision number 3.2.1.114: mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004559 alpha-mannosidase activity
GO:0004572 mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase activity
GO:0015923 mannosidase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0030246 carbohydrate binding
GO:0046872 metal ion binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0006013 mannose metabolic process
GO:0006486 protein glycosylation
GO:0006491 N-glycan processing
GO:0016063 rhodopsin biosynthetic process
GO:0035010 encapsulation of foreign target
Cellular Component
GO:0000139 Golgi membrane
GO:0005783 endoplasmic reticulum
GO:0005794 Golgi apparatus
GO:0005795 Golgi stack
GO:0016020 membrane

View graph for
Molecular Function

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Biological Process

View graph for
Cellular Component
External links
PDB RCSB:1tqw, PDBe:1tqw, PDBj:1tqw
PDBsum1tqw
PubMed
UniProtQ24451|MAN2_DROME Alpha-mannosidase 2 (Gene Name=alpha-Man-IIa)

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