Structure of PDB 3rme Chain A Binding Site BS01

Receptor Information
>3rme Chain A (length=377) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
YQLTCYFTNWAQYRPGLGRFMPDDINPCLCTHLIYAFAGMQNNEITTIEW
NDVTLYQAFNGLKNKNSQLKTLLAIGGWNFGTAPFTAMVSTPENRQTFIT
SVIKFLRQYEFDGLDFDWEYPGSRGSPPQDKHLFTVLVQEMREAFEQEAK
QINKPRLMVTAAVAAGISNIQSGYEIPQLSQYLDYIHVMTYDLHGSWEGY
TGENSPLYKYPTDTGSNAYLNVDYVMNYWKDNGAPAEKLIVGFPTYGHNF
ILSNPSNTGIGAPTSGAGPAGPYAKESGIWAYYEICTFLKNGATQGWDAP
QEVPYAYQGNVWVGYDNVKSFDIKAQWLKHNKFGGAMVWAIDLDDFTGTF
CNQGKFPLISTLKKALGLQSASCTAPA
Ligand information
Ligand IDRME
InChIInChI=1S/C17H22N6O3/c1-13-4-5-18-16(12-13)20-15-3-2-14(23(24)25)17(21-15)19-6-7-22-8-10-26-11-9-22/h2-5,12H,6-11H2,1H3,(H2,18,19,20,21)
InChIKeyOAEWOLLUOVFYIT-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7Cc1ccnc(c1)Nc2ccc(c(n2)NCCN3CCOCC3)[N+](=O)[O-]
CACTVS 3.385Cc1ccnc(Nc2ccc(c(NCCN3CCOCC3)n2)[N+]([O-])=O)c1
FormulaC17 H22 N6 O3
NameN6-(4-methylpyridin-2-yl)-N2-(2-morpholinoethyl)-3-nitropyridine-2,6-diamine;
~{N}6-(4-methylpyridin-2-yl)-~{N}2-(2-morpholin-4-ylethyl)-3-nitro-pyridine-2,6-diamine
ChEMBL
DrugBank
ZINC
PDB chain3rme Chain A Residue 418 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3rme Identification and Characterization of Acidic Mammalian Chitinase Inhibitors
Resolution1.8 Å
Binding residue
(original residue number in PDB)
W31 F58 G98 D138 E140 Y212 D213 Y267 W360
Binding residue
(residue number reindexed from 1)
W10 F37 G77 D117 E119 Y191 D192 Y246 W339
Annotation score1
Binding affinityMOAD: ic50=22uM
PDBbind-CN: -logKd/Ki=4.66,IC50=22uM
BindingDB: IC50=22000nM
Enzymatic activity
Catalytic site (original residue number in PDB) D136 D138 E140 Y212
Catalytic site (residue number reindexed from 1) D115 D117 E119 Y191
Enzyme Commision number 3.2.1.14: chitinase.
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0008061 chitin binding
Biological Process
GO:0005975 carbohydrate metabolic process

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Molecular Function

View graph for
Biological Process
External links
PDB RCSB:3rme, PDBe:3rme, PDBj:3rme
PDBsum3rme
PubMed20666458
UniProtQ9BZP6|CHIA_HUMAN Acidic mammalian chitinase (Gene Name=CHIA)

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