Structure of PDB 1rir Chain C Binding Site BS01

Receptor Information
>1rir Chain C (length=232) Species: 3818 (Arachis hypogaea) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AETVSFNFNSFSEGNPAINFQGDVTVLSNGNIQLTNLNKVNSVGRVLYAM
PVRIWSSATGNVASFLTSFSFEMKDIKDYDPADGIIFFIAPEDTQIPAGS
IGGGTLGVSDTKGAGHFVGVEFDTYSNSEYNDPPTDHVGIDVNSVDSVKT
VPWNSVSGAVVKVTVIYDSSTKTLSVAVTNDNGDITTIAQVVDLKAKLPE
RVKFGFSASGSLGGRQIHLIRSWSFTSTLITT
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1rir Chain C Residue 252 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1rir Crystal structures of the PNA-porphyrin complex in the presence and absence of lactose: mapping the conformational changes on lactose binding, interacting surfaces, and supramolecular aggregations.
Resolution2.9 Å
Binding residue
(original residue number in PDB)		D123 N127 D132
Binding residue
(residue number reindexed from 1)		D123 N127 D132
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0030246 carbohydrate binding
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:1rir, PDBe:1rir, PDBj:1rir
PDBsum1rir
PubMed15823017
UniProtP02872|LECG_ARAHY Galactose-binding lectin

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