Structure of PDB 2d3r Chain A Binding Site BS01

Receptor Information

>2d3r Chain A (length=236) Species: 83131 (Cratylia argentea) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

ADTIVAVELDTYPNTDIGDPNYQHIGINIKSIRSKATTRWNVQDGKVGTA
HISYNSVAKRLSAIVSYPGGSSATVSYDVDLNNILPEWVRVGLSASTGLY
KETNTILSWSFTSKLKTNSTADAQSLHFTFNQFSQNPKDLILQGDASTDS
DGNLQLTRVSNGSPQSNSVGRALYYAPVHVWDKSAVVASFDATFTFLIKS
TDSDIADGIAFFIANTDSSIPHGSGGRLLGLFPDAN

Ligand information

Ligand ID

InChI

InChI=1S/Ca/q+2

InChIKey

BHPQYMZQTOCNFJ-UHFFFAOYSA-N

SMILES

Software	SMILES
CACTVS 3.341	[Ca++]
ACDLabs 10.04 OpenEye OEToolkits 1.5.0	[Ca+2]

Formula

Name

CALCIUM ION

PDB chain

2d3r Chain A Residue 237 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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Structure summary

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PDB	2d3r Crystal structures of Cratylia floribunda seed lectin at acidic and basic pHs. Insights into the structural basis of the pH-dependent dimer-tetramer transition.
Resolution	2.9 Å
Binding residue (original residue number in PDB)	D10 Y12 N14 D19
Binding residue (residue number reindexed from 1)	D10 Y12 N14 D19
Annotation score	4

Enzymatic activity

Enzyme Commision number

Gene Ontology

	Molecular Function
GO:0005537	D-mannose binding
GO:0030246	carbohydrate binding
GO:0046872	metal ion binding
GO:0090729	toxin activity

	Biological Process
GO:0008150	biological_process
GO:0035821	modulation of process of another organism

	Cellular Component
GO:0005575	cellular_component

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Cellular Component

External links

PDB	RCSB:2d3r, PDBe:2d3r, PDBj:2d3r
PDBsum	2d3r
PubMed	17251039
UniProt	P81517\|LECA_CRAAG Lectin alpha chain

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