Structure of PDB 1w9u Chain B

Receptor sequence
>1w9uB (length=394) Species: 746128 (Aspergillus fumigatus) [Search protein sequence]
ASSGYRSVVYFVNWAIYGRNHNPQDLPVERLTHVLYAFANVRPETGEVYM
TDSWADIEKHYPGDSWSDTGNNVYGCIKQLYLLKKQNRNLKVLLSIGGWT
YSPNFAPAASTDAGRKNFAKTAVKLLQDLGFDGLDIDWEYPENDQQANDF
VLLLKEVRTALDSYSAANAGGQHFLLTVASPAGPDKIKVLHLKDMDQQLD
FWNLMAYDYAGSFSSLSGHQANVYNDTSNPLSTPFNTQTALDLYRAGGVP
ANKIVLGMPLYGRSFANTDGPGKPYNGVGQGSWENGVWDYKALPQAGATE
HVLPDIMASYSYDATNKFLISYDNPQVANLKSGYIKSLGLGGAMWWDSSS
DKTGSDSLITTVVNALGGTGVFEQSQNELDYPVSQYDNLRNGMQ
3D structure
PDB1w9u Specificity and Affinity of Natural Product Cyclopentapeptide Inhibitors Against Aspergillus Fumigatus, Human and Bacterial Chitinases
ChainB
Resolution1.85 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D173 D175 E177 Y245
Catalytic site (residue number reindexed from 1) D135 D137 E139 Y207
Enzyme Commision number 3.2.1.14: chitinase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 peptide B Y48 W137 E177 M243 Y245 D246 F251 Y299 R301 E322 V325 W384 Y10 W99 E139 M205 Y207 D208 F213 Y261 R263 E284 V287 W346
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

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Biological Process
External links
PDB RCSB:1w9u, PDBe:1w9u, PDBj:1w9u
PDBsum1w9u
PubMed15664516
UniProtQ873X9|CHIB1_ASPFM Endochitinase B1 (Gene Name=chiB1)

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