Structure of PDB 1cq9 Chain A

Receptor sequence
>1cq9A (length=232) Species: 3818 (Arachis hypogaea) [Search protein sequence]
AETVSFNFNSFSEGNPAINFQGDVTVLSNGNIQLTNLNKVNSVGRVLYAM
PVRIWSSATGNVASFLTSFSFEMKDIKDYDPADGIIFFIAPEDTQIPAGS
IGGGTLGVSDTKGAGHFVGVEFDTYSNSEYNDPPTDHVGIDVNSVDSVKT
VPWNSVSGAVVKVTVIYDSSTKTLSVAVTNDNGDITTIAQVVDLKAKLPE
RVKFGFSASGSLGGRQIHLIRSWSFTSTLITT
3D structure
PDB1cq9 Crystal structures of the peanut lectin-lactose complex at acidic pH: retention of unusual quaternary structure, empty and carbohydrate bound combining sites, molecular mimicry and crystal packing directed by interactions at the combining site.
ChainA
Resolution3.5 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
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 CA A D123 Y125 N127 D132 D123 Y125 N127 D132
BS02 MN A E121 D123 D132 H137 E121 D123 D132 H137
Gene Ontology
Molecular Function
GO:0030246 carbohydrate binding
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:1cq9, PDBe:1cq9, PDBj:1cq9
PDBsum1cq9
PubMed11288176
UniProtP02872|LECG_ARAHY Galactose-binding lectin

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