Structure of PDB 3rm9 Chain B

Receptor sequence
>3rm9B (length=373) Species: 9606 (Homo sapiens) [Search protein sequence]
YQLTCYFTNWAQYRPGLGRFMPDDINPCLCTHLIYAFAGMQNNEITTIEW
NDVTLYQAFNGLKNKNSQLKTLLAIGGWNFGTAPFTAMVSTPENRQTFIT
SVIKFLRQYEFDGLDFDWEYPGSRGSPPQDKHLFTVLVQEMREAFEQEAK
QINKPRLMVTAAVAAGISNIQSGYEIPQLSQYLDYIHVMTYDLHGSWEGY
TGENSPLYKYPTDTGSNAYLNVDYVMNYWKDNGAPAEKLIVGFPTYGHNF
ILSNPSNTGIGAPTSGAGPAGPYAKESGIWAYYEICTFLKNGATQGWDAP
QEVPYAYQGNVWVGYDNVKSFDIKAQWLKHNKFGGAMVWAIDLDDFTGTF
CNQGKFPLISTLKKALGLQSASC
3D structure
PDB3rm9 Identification and Characterization of Acidic Mammalian Chitinase Inhibitors
ChainB
Resolution2.1 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
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 613 B W99 E140 D213 Y267 E297 L364 W78 E119 D192 Y246 E276 L343 MOAD: Kd=17uM
BindingDB: Kd=17000nM,IC50=13000nM
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:3rm9, PDBe:3rm9, PDBj:3rm9
PDBsum3rm9
PubMed20666458
UniProtQ9BZP6|CHIA_HUMAN Acidic mammalian chitinase (Gene Name=CHIA)

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