3QW5: Botulinum neurotoxin type A

Crystal structure of the protease domain of Botulinum Neurotoxin Serotype A with a peptide inhibitor RRGF. Determined by X-ray diffraction at 1.6 Å resolution. Released 8 Feb 2012.

Method
X-ray diffraction
Resolution
1.6 Å
Organism
Clostridium botulinum
Chains
2
Atoms
3,748
Mol. weight
50.3 kDa
Ligands
ZN
Released
8 Feb 2012

Explore 3QW5 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3QW5 contains 22 α-helices and 23 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 22 helices, 23 β-strands

ElementResiduesLengthSheet
α-helix13-142
β-strand19-2351
β-strand33-3971
β-strand42-4871
α-helix61-633
α-helix64-663
β-strand7312
α-helix81-9919
α-helix102-11312
α-helix115-1173
β-strand126-12723
α-helix131-1333
β-strand134-13851
α-helix1391
β-strand144-14851
β-strand151-15551
β-strand15912
β-strand164-16631
β-strand184-18741
β-strand192-19654
α-helix200-2034
β-strand213-21424
α-helix215-2162
α-helix217-23216
α-helix236-2383
β-strand242-24435
α-helix249-2535
β-strand257-25935
α-helix260-2667
α-helix268-2736
α-helix276-29924
β-strand302-30323
α-helix310-32011
β-strand324-32526
β-strand331-33226
α-helix335-3439
α-helix344-3485
α-helix351-3588
β-strand372-37544
β-strand38517
β-strand38917
α-helix402-4043
β-strand40514
α-helix410-4123
β-strand414-41854

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Botulinum neurotoxin type AAprotein430Clostridium botulinumP0DPI1 (AlphaFold model)
inhibitory peptide RRGFBprotein5
Sequence of entity 1 (A), FASTA
>3QW5_1 Botulinum neurotoxin type A (chains A)
MPFVNKQFNYKDPVNGVDIAYIKIPNAGQMQPVKAFKIHNKIWVIPERDTFTNPEEGDLN
PPPEAKQVPVSYYDSTYLSTDNEKDNYLKGVTKLFERIYSTDLGRMLLTSIVRGIPFWGG
STIDTELKVIDTNCINVIQPDGSYRSEELNLVIIGPSADIIQFECKSFGHEVLNLTRNGY
GSTQYIRFSPDFTFGFEESLEVDTNPLLGAGKFATDPAVTLAHELIHAGHRLYGIAINPN
RVFKVNTNAYYEMSGLEVSFEELRTFGGHDAKFIDSLQENEFRLYYYNKFKDIASTLNKA
KSIVGTTASLQYMKNVFKEKYLLSEDTSGKFSVDKLKFDKLYKMLTEIYTEDNFVKFFKV
LNRKTYLNFDKAVFKINIVPKVNYTIYDGFNLRNTNLAANFNGQNTEINNMNFTKLKNFT
GLFEHHHHHH
Sequence of entity 2 (B), FASTA
>3QW5_2 inhibitory peptide RRGF (chains B)
RRGFX

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn1

Water and common crystallization additives (SO4) are not listed.

Primary citation

Peptide inhibitors of botulinum neurotoxin serotype A: design, inhibition, cocrystal structures, structure-activity relationship and pharmacophore modeling. Kumar, G., Kumaran, D., Ahmed, S.A. et al. Acta Crystallogr D Biol Crystallogr (2012) 68:511-520. DOI 10.1107/S0907444912003551 · PubMed

Other PDB entries of the same protein (UniProt P0DPI1 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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