Structure of PDB 1jep Chain B

Receptor sequence
>1jepB (length=212) Species: 3879 (Medicago sativa) [Search protein sequence]
SITAITVENLEYPAVVTSPVTGKSYFLGGAGERGLTIEGNFIKFTAIGVY
LEDIAVASLAAKWKGKSSEELLETLDFYRDIISGPFEKLIRGSKIRELSG
PEYSRKVMENCVAHLKSVGTYGDAEAEAMQKFAEAFKPVNFPPGASVFYR
QSPDGILGLSFSPDTSIPEKEAALIENKAVSSAVLETMIGEHAVSPDLKR
CLAARLPALLNE
3D structure
PDB1jep Reaction mechanism of chalcone isomerase. pH dependence, diffusion control, and product binding differences.
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) R36 T48 K97 Y106
Catalytic site (residue number reindexed from 1) R33 T45 K94 Y103
Enzyme Commision number 5.5.1.6: chalcone isomerase.
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 DFL B Y106 N113 M191 Y103 N110 M188
Gene Ontology
Molecular Function
GO:0016853 isomerase activity
GO:0016872 intramolecular lyase activity
GO:0045430 chalcone isomerase activity
Biological Process
GO:0009813 flavonoid biosynthetic process

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Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1jep, PDBe:1jep, PDBj:1jep
PDBsum1jep
PubMed11698411
UniProtP28012|CFI1_MEDSA Chalcone--flavanone isomerase 1 (Gene Name=CHI1)

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