Structure of PDB 1t6b Chain X Binding Site BS01

Receptor Information
>1t6b Chain X (length=676) Species: 1392 (Bacillus anthracis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SQGLLGYYFSDLNFQAPMVVTSSTTGDLSIPSSELENIPSENQYFQSAIW
SGFIKVKKSDEYTFATSADNHVTMWVDDQEVINKASNSNKIRLEKGRLYQ
IKIQYQRENPTEKGLDFKLYWTDSQNKKEVISSDNLQLPELKQVPDRDND
GIPDSLEVEGYTVDVKNKRTFLSPWISNIHEKKGLTKYKSSPEKWSTASD
PYSDFEKVTGRIDKNVSPEARHPLVAAYPIVHVDMENIILSKNETISKNT
STSRTHTSEVVSAGFSNSNSSTVAIDHSLSLAGERTWAETMGLNTADTAR
LNANIRYVNTGTAPIYNVLPTTSLVLGKNQTLATIKAKENQLSQILAPNN
YYPSKNLAPIALNAQDDFSSTPITMNYNQFLELEKTKQLRLDTDQVYGNI
ATYNFENGRVRVDTGSNWSEVLPQIQETTARIIFNGKDLNLVERRIAAVN
PSDPLETTKPDMTLKEALKIAFGFNEPNGNLQYQGKDITEFDFNFDQQTS
QNIKNQLAELNATNIYTVLDKIKLNAKMNILIRDKRFHYDRNNIAVGADE
SVVKEAHREVINSSTEGLLLNIDKDIRKILSGYIVEIEDTEGLKEVINDR
YDMLNISSLRQDGKTFIDFKKYNDKLPLYISNPNYKVNVYAVTKENTIIN
PSENGDTSTNGIKKILIFSKKGYEIG
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 chain1t6b Chain X Residue 800 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1t6b Crystal structure of a complex between anthrax toxin and its host cell receptor
Resolution2.5 Å
Binding residue
(original residue number in PDB)		D177 D179 D181 I183 E188
Binding residue
(residue number reindexed from 1)		D146 D148 D150 I152 E157
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0042802 identical protein binding
GO:0046872 metal ion binding
GO:0090729 toxin activity
Biological Process
GO:0043409 negative regulation of MAPK cascade
GO:0044533 positive regulation of apoptotic process in another organism
GO:0051260 protein homooligomerization
Cellular Component
GO:0005576 extracellular region
GO:0016020 membrane
GO:0020002 host cell plasma membrane
GO:0044164 host cell cytosol
GO:0044174 host cell endosome
GO:0044175 host cell endosome membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1t6b, PDBe:1t6b, PDBj:1t6b
PDBsum1t6b
PubMed15243628
UniProtP13423|PAG_BACAN Protective antigen (Gene Name=pagA)

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