Structure of PDB 3arq Chain A Binding Site BS01

Receptor Information
>3arq Chain A (length=575) Species: 669 (Vibrio harveyi) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
APTAPSIDMYGSNNLQFSKIELAMETTSGYNDMVKYHELAKIKVKFNQWS
GTSGDTYNVYFDGVKVATGAITGSQTTASFEYGQGGLYQMEIEACDATGC
SKSAPVEITIADTDGSHLKPLTMNVDPNNKSYNTDPSIVMGTYFVEWGIY
GRDYTVDNMPVDNLTHILYGFIPICGPNESVKSVGGNSFNALQTACRGVN
DYEVVIHDPWAAYQKSFPQAGHEYSTPIKGNYAMLMALKQRNPDLKIIPS
IGGWTLSDPFYDFVDKKNRDTFVASVKKFLKTWKFYDGVDIDWEFPGGGG
AAADKGDPVNDGPAYIALMRELRVMLDELEAETGRTYELTSAIGVGYDKI
EDVDYADAVQYMDYIFAMTYDFYGGWNNVPGHQTALYCGSFMRPGQCDGG
GVDENGEPYKGPAYTADNGIQLLLAQGVPANKLVLGTAMYGRGWEGVTPD
TLTDPNDPMTGTATGKLKGSTAQGVWEDGVIDYKGIKSFMLGANNTGING
FEYGYDAQAEAPWVWNRSTGELITFDDHRSVLAKGNYAKSLGLAGLFSWE
IDADNGDILNAMHEGMAGGVVTPPN
Ligand information
Ligand IDDM5
InChIInChI=1S/C26H27NO9/c1-10-21(29)15(27)7-17(35-10)36-16-9-26(34,11(2)28)8-14-18(16)25(33)20-19(24(14)32)22(30)12-5-3-4-6-13(12)23(20)31/h3-6,10,15-17,21,29,32-34H,7-9,27H2,1-2H3/t10-,15-,16-,17-,21+,26-/m0/s1
InChIKeyXDXDZDZNSLXDNA-TZNDIEGXSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC1C(C(CC(O1)OC2CC(Cc3c2c(c4c(c3O)C(=O)c5ccccc5C4=O)O)(C(=O)C)O)N)O
OpenEye OEToolkits 1.5.0C[C@H]1[C@H]([C@H](C[C@@H](O1)O[C@H]2C[C@@](Cc3c2c(c4c(c3O)C(=O)c5ccccc5C4=O)O)(C(=O)C)O)N)O
CACTVS 3.341C[C@@H]1O[C@H](C[C@H](N)[C@@H]1O)O[C@H]2C[C@@](O)(Cc3c(O)c4C(=O)c5ccccc5C(=O)c4c(O)c23)C(C)=O
ACDLabs 10.04O=C2c1c(O)c5c(c(O)c1C(=O)c3ccccc23)CC(O)(C(=O)C)CC5OC4OC(C(O)C(N)C4)C
CACTVS 3.341C[CH]1O[CH](C[CH](N)[CH]1O)O[CH]2C[C](O)(Cc3c(O)c4C(=O)c5ccccc5C(=O)c4c(O)c23)C(C)=O
FormulaC26 H27 N O9
NameIDARUBICIN;
4-DEMETHOXY-DAUNORUBICIN
ChEMBLCHEMBL1117
DrugBankDB01177
ZINCZINC000003920266
PDB chain3arq Chain A Residue 606 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3arq Potent family-18 chitinase inhibitors: x-ray structures, affinities, and binding mechanisms
Resolution1.5 Å
Binding residue
(original residue number in PDB)
W275 G320 D392 W397 Y435
Binding residue
(residue number reindexed from 1)
W254 G299 D371 W376 Y414
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=6.40,Kd=0.4uM
Enzymatic activity
Catalytic site (original residue number in PDB) D311 D313 E315 Y391
Catalytic site (residue number reindexed from 1) D290 D292 E294 Y370
Enzyme Commision number 3.2.1.14: chitinase.
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0004568 chitinase activity
GO:0008061 chitin binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0006032 chitin catabolic process

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Molecular Function

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Biological Process
External links
PDB RCSB:3arq, PDBe:3arq, PDBj:3arq
PDBsum3arq
PubMed21531720
UniProtQ9AMP1

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