Structure of PDB 2wk2 Chain A Binding Site BS03

Receptor Information
>2wk2 Chain A (length=539) Species: 615 (Serratia marcescens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AAPGKPTIAWGNTKFAIVEVDQAATAYNNLVKVKNAADVSVSWNLWNGDT
GTTAKILLNGKEAWSGPSTGSSGTANFKVNKGGRYQMQVALCNADGCTAS
DATEIVVADTDGSHLAPLKEPLLEKNKPYKQNSGKVVGSYFVEWGVYGRN
FTVDKIPAQNLTHLLYGFIPICGGNGINDSLKEIEGSFQALQRSCQGRED
FKVSIHDPFAALQKAQKGVTAWDDPYKGNFGQLMALKQAHPDLKILPSIG
GWTLSDPFFFMGDKVKRDRFVGSVKEFLQTWKFFDGVDIDWEFPGGKGAN
PNLGSPQDGETYVLLMKELRAMLDQLSAETGRKYELTSAISAGKDKIDKV
AYNVAQNSMDHIFLMSYDFYGAFDLKNLGHQTALNAPAWKPDTAYTTVNG
VNALLTQGVKPGKIVVGTAMYGRGWTGVNGYQNNIPFTGTATGPVKGTWE
NGIVDYRQIASQFMSGEWQYTYDATAEAPYVFKPSTGDLITFDDARSVQA
KGKYVLDKQLGGLFSWEIDADNGDILNSMNASLGNSAGV
Ligand information
Ligand IDSN5
InChIInChI=1S/C8H15NO5S/c1-3(15)9-5-7(12)6(11)4(2-10)14-8(5)13/h4-8,10-13H,2H2,1H3,(H,9,15)/t4-,5-,6-,7-,8-/m1/s1
InChIKeyBIHKKHHUWVSGSD-FMDGEEDCSA-N
SMILES
SoftwareSMILES
CACTVS 3.352CC(=S)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O
ACDLabs 10.04S=C(NC1C(O)C(O)C(OC1O)CO)C
OpenEye OEToolkits 1.6.1CC(=S)N[C@@H]1[C@H]([C@@H]([C@H](O[C@H]1O)CO)O)O
OpenEye OEToolkits 1.6.1CC(=S)NC1C(C(C(OC1O)CO)O)O
CACTVS 3.352CC(=S)N[CH]1[CH](O)O[CH](CO)[CH](O)[CH]1O
FormulaC8 H15 N O5 S
Name2-deoxy-2-(ethanethioylamino)-beta-D-glucopyranose;
N-ethanethioyl-beta-D-glucosamine;
2-deoxy-2-(ethanethioylamino)-beta-D-glucose;
2-deoxy-2-(ethanethioylamino)-D-glucose;
2-deoxy-2-(ethanethioylamino)-glucose
ChEMBL
DrugBank
ZINCZINC000013510277
PDB chain2wk2 Chain C Residue 2 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2wk2 Chitinase Inhibition by Chitobiose and Chitotriose Thiazolines.
Resolution2.05 Å
Binding residue
(original residue number in PDB)
W275 E315 D391 R446
Binding residue
(residue number reindexed from 1)
W252 E292 D368 R423
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=6.82,Ki=0.15uM
Enzymatic activity
Catalytic site (original residue number in PDB) D311 D313 E315 Y390
Catalytic site (residue number reindexed from 1) D288 D290 E292 Y367
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
GO:0016798 hydrolase activity, acting on glycosyl bonds
Biological Process
GO:0000272 polysaccharide catabolic process
GO:0005975 carbohydrate metabolic process
GO:0006032 chitin catabolic process

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:2wk2, PDBe:2wk2, PDBj:2wk2
PDBsum2wk2
PubMed20209544
UniProtP07254|CHIA_SERMA Chitinase A (Gene Name=chiA)

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