Structure of PDB 1i1e Chain A Binding Site BS01

Receptor Information
>1i1e Chain A (length=1287) Species: 1491 (Clostridium botulinum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PVTINNFNYNDPIDNNNIIMMEPPFARGTGRYYKAFKITDRIWIIPERYT
FGYKPEDFNKSSGIFNRDVCEYYDPDYLNTNDKKNIFLQTMIKLFNRIKS
KPLGEKLLEMIINGIPYLGDRRVPLEEFNTNIASVTVNKLISNPGEVERK
KGIFANLIIFGPGPVLNENETIDIGIQNHFASREGFGGIMQMKFCPEYVS
VFNNVQENKGASIFNRRGYFSDPALILMHELIHVLHGLYGIKVDDLPIVP
NEKKFFMQSTDAIQAEELYTFGGQDPSIITPSTDKSIYDKVLQNFRGIVD
RLNKVLVCISDPNININIYKNKFKDKYKFVEDSEGKYSIDVESFDKLYKS
LMFGFTETNIAENYKIKTRASYFSDSLPPVKIKNLLDNEIYTIEEGFNIS
DKDMEKEYRGQNKAINKQAYEEISKEHLAVYKIQMCKSVGICIDVDNEDL
FFIADKNSFSDDLSKNERIEYNTQSNYIENDFPINELILDTDLISKIELP
SENTESLTDFNVDVPVYEKQPAIKKIFTDENTIFQYLYSQTFPLDIRDIS
LTSSFDDALLFSNKVYSFFSMDYIKTANKVVEAGLFAGWVKQIVNDFVIE
ANKSNTMDKIADISLIVPYIGLALNVGNETAKGNFENAFEIAGASILLEF
IPELLIPVVGAFLLESYIDNKNKIIKTIDNALTKRNEKWSDMYGLIVAQW
LSTVNTQFYTIKEGMYKALNYQAQALEEIIKYRYNIYSEKEKSNINIDFN
DINSKLNEGINQAIDNINNFINGCSVSYLMKKMIPLAVEKLLDFDNTLKK
NLLNYIDENKLYLIGSAEYEKSKVNKYLKTIMPFDLSIYTNDTILIEMFN
KYNSEILNNIILNLRYKDNNLIDLSGYGAKVEVYDGVELNDKNQFKLTSS
ANSKIRVTQNQNIIFNSVFLDFSVSFWIRIPKYKNDGIQNYIHNEYTIIN
CMKNNSGWKISIRGNRIIWTLIDINGKTKSVFFEYNIREDISEYINRWFF
VTITNNLNNAKIYINGKLESNTDIKDIREVIANGEIIFKLDGDIDRTQFI
WMKYFSIFNTELSQSNIEERYKIQSYSEYLKDFWGNPLMYNKEYYMFNAG
NKNSYIKLKKDSPVGEILTRSKYNQNSKYINYRDLYIGEKFIIRRKSNSQ
SINDDIVRKEDYIYLDFFNLNQEWRVYTYKYFKKEEEKLFLAPISDSDEF
YNTIQIKEYDEQPTYSCQLLFKKDEESTDEIGLIGIHRFYESGIVFEEYK
DYFCISKWYLKEVKRKPYNLKLGCNWQFIPKDEGWTE
Ligand information
Ligand IDDM2
InChIInChI=1S/C27H29NO11/c1-10-22(31)13(28)6-17(38-10)39-15-8-27(36,16(30)9-29)7-12-19(15)26(35)21-20(24(12)33)23(32)11-4-3-5-14(37-2)18(11)25(21)34/h3-5,10,13,15,17,22,29,31,33,35-36H,6-9,28H2,1-2H3/t10-,13-,15-,17-,22+,27-/m0/s1
InChIKeyAOJJSUZBOXZQNB-TZSSRYMLSA-N
SMILES
SoftwareSMILES
CACTVS 3.341COc1cccc2C(=O)c3c(O)c4C[C@](O)(C[C@H](O[C@H]5C[C@H](N)[C@H](O)[C@H](C)O5)c4c(O)c3C(=O)c12)C(=O)CO
OpenEye OEToolkits 1.5.0CC1C(C(CC(O1)OC2CC(Cc3c2c(c4c(c3O)C(=O)c5cccc(c5C4=O)OC)O)(C(=O)CO)O)N)O
ACDLabs 10.04O=C2c1c(O)c5c(c(O)c1C(=O)c3cccc(OC)c23)CC(O)(C(=O)CO)CC5OC4OC(C(O)C(N)C4)C
OpenEye OEToolkits 1.5.0C[C@H]1[C@H]([C@H](C[C@@H](O1)O[C@H]2C[C@@](Cc3c2c(c4c(c3O)C(=O)c5cccc(c5C4=O)OC)O)(C(=O)CO)O)N)O
CACTVS 3.341COc1cccc2C(=O)c3c(O)c4C[C](O)(C[CH](O[CH]5C[CH](N)[CH](O)[CH](C)O5)c4c(O)c3C(=O)c12)C(=O)CO
FormulaC27 H29 N O11
NameDOXORUBICIN;
ADRIAMYCIN
ChEMBLCHEMBL53463
DrugBankDB00997
ZINCZINC000003918087
PDB chain1i1e Chain A Residue 3001 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1i1e Crystallographic evidence for doxorubicin binding to the receptor-binding site in Clostridium botulinum neurotoxin B.
Resolution2.5 Å
Binding residue
(original residue number in PDB)		E1188 E1189 G1238 I1239 H1240 R1241 C1257 S1259 W1261 Y1262
Binding residue
(residue number reindexed from 1)		E1185 E1186 G1235 I1236 H1237 R1238 C1254 S1256 W1258 Y1259
Annotation score1
Binding affinityMOAD: Kd=9.4uM
PDBbind-CN: -logKd/Ki=5.03,Kd=9.4uM
Enzymatic activity
Catalytic site (original residue number in PDB) H229 E230 H233 E267 R369
Catalytic site (residue number reindexed from 1) H229 E230 H233 E267 R369
Enzyme Commision number 3.4.24.69: bontoxilysin.
Gene Ontology
Molecular Function
GO:0004222 metalloendopeptidase activity
GO:0005515 protein binding
GO:0008237 metallopeptidase activity
GO:0008270 zinc ion binding
GO:0008289 lipid binding
GO:0008320 protein transmembrane transporter activity
GO:0046872 metal ion binding
GO:0090729 toxin activity
Biological Process
GO:0006508 proteolysis
GO:0035821 modulation of process of another organism
GO:0071806 protein transmembrane transport
Cellular Component
GO:0005576 extracellular region
GO:0016020 membrane
GO:0020002 host cell plasma membrane
GO:0030430 host cell cytoplasm
GO:0044161 host cell cytoplasmic vesicle
GO:0044164 host cell cytosol
GO:0044221 host cell synapse
GO:0044231 host cell presynaptic membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1i1e, PDBe:1i1e, PDBj:1i1e
PDBsum1i1e
PubMed11679763
UniProtP10844|BXB_CLOBO Botulinum neurotoxin type B (Gene Name=botB)

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