Structure of PDB 3c88 Chain A

Receptor sequence
>3c88A (length=422) Species: 1491 (Clostridium botulinum) [Search protein sequence]
PFVNKQFNYKDPVNGVDIAYIKIPNAGQMQPVKAFKIHNKIWVIPERDTF
TNPEEGDLNPPPEAKQVPVSYYDSTYLSTDNEKDNYLKGVTKLFERIYST
DLGRMLLTSIVRGIPFWGGSTIDTELKVIDTNCINVIQPDGSYRSEELNL
VIIGPSADIIQFECKSFGHEVLNLTRNGYGSTQYIRFSPDFTFGFEESLE
VDTNPLLGAGKFATDPAVTLAHELIHAGHRLYGIAINPNRVFKVNTNAYY
EMSGLEVSFEELRTFGGHDAKFIDSLQENEFRLYYYNKFKDIASTLNKAK
SIVGTTASLQYMKNVFKEKYLLSEDTSGKFSVDKLKFDKLYKMLTEIYTE
DNFVKFFKVLNRKTYLNFDKAVFKINIVPKVNYTIYDGFNLRNTNLAANF
NGQNTEINNMNFTKLKNFTGLF
3D structure
PDB3c88 Structure- and Substrate-based Inhibitor Design for Clostridium botulinum Neurotoxin Serotype A
ChainA
Resolution1.6 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H223 E224 H227 E262 R363
Catalytic site (residue number reindexed from 1) H222 E223 H226 E261 R362
Enzyme Commision number 3.4.24.69: bontoxilysin.
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 peptide A E164 F194 H223 E224 H227 E262 Y366 F369 D370 E163 F193 H222 E223 H226 E261 Y365 F368 D369
BS02 ZN A H223 H227 E262 H222 H226 E261
Gene Ontology
Molecular Function
GO:0004222 metalloendopeptidase activity
GO:0008270 zinc ion binding
Biological Process
GO:0006508 proteolysis

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Molecular Function
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Biological Process
External links
PDB RCSB:3c88, PDBe:3c88, PDBj:3c88
PDBsum3c88
PubMed18434312
UniProtP0DPI1|BXA1_CLOBH Botulinum neurotoxin type A (Gene Name=botA)

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