Structure of PDB 1ur9 Chain B

Receptor sequence
>1ur9B (length=498) Species: 615 (Serratia marcescens) [Search protein sequence]
STRKAVIGYYFIPTNQINNYTETDTSVVPFPVSNITPAKAKQLTHINFSF
LDINSNLECAWDPATNDAKARDVVNRLTALKAHNPSLRIMFSIGGWYYSN
DLGVSHANYVNAVKTPASRAKFAQSCVRIMKDYGFDGVDINWEYPQAAEV
DGFIAALQEIRTLLNQQTITDGRQALPYQLTIAGAGGAFFLSRYYSKLAQ
IVAPLDYINLMTYDLAGPWEKVTNHQAALFGDAAGPTFYNALREANLGWS
WEELTRAFPSPFSLTVDAAVQQHLMMEGVPSAKIVMGVPFYGRAFKGVSG
GNGGQYSSHSTPGEDPYPSTDYWLVGCEECVRDKDPRIASYRQLEQMLQG
NYGYQRLWNDKTKTPYLYHAQNGLFVTYDDAESFKYKAKYIKQQQLGGVM
FWHLGQDNRNGDLLAALDRYFNAADYDDSQLDMGTGLRYTGVGPGNLPIM
TAPAYVPGTTYAQGALVSYQGYVWQTKWGYITSAPGSDSAWLKVGRVR
3D structure
PDB1ur9 Interactions of a Family 18 Chitinase with the Designed Inhibitor Hm508 and its Degradation Product, Chitobiono-Delta-Lactone.
ChainB
Resolution1.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D140 N142 E144 Y214
Catalytic site (residue number reindexed from 1) D139 N141 E143 Y213
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 GDL B Y10 W97 N142 E144 M212 Y214 D215 W403 Y9 W96 N141 E143 M211 Y213 D214 W402
BS02 PHJ B W97 E144 F191 D215 W220 W96 E143 F190 D214 W219
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
GO:0030246 carbohydrate binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0006032 chitin catabolic process
Cellular Component
GO:0005576 extracellular region

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Molecular Function
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Cellular Component
External links
PDB RCSB:1ur9, PDBe:1ur9, PDBj:1ur9
PDBsum1ur9
PubMed14597613
UniProtQ54276

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