8RVI: Binding domain of BoNT/A mutant H1253K

Structure of the binding domain of BoNT/A mutant H1253K in complex with the GM1a ganglioside receptor. Determined by X-ray diffraction at 1.6 Å resolution. Released 12 Feb 2025.

Method
X-ray diffraction
Resolution
1.6 Å
Organism
Clostridium botulinum
Chains
1
Atoms
3,881
Mol. weight
52.54 kDa
Released
12 Feb 2025

Explore 8RVI in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8RVI contains 9 α-helices and 43 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: 9 helices, 43 β-strands

ElementResiduesLengthSheet
β-strand877-88041
β-strand881-88442
β-strand887-89042
β-strand897-90043
β-strand905-90621
β-strand914-91741
β-strand924-92743
α-helix930-9323
β-strand935-93624
β-strand941-94881
α-helix950-9523
α-helix955-9573
β-strand962-96983
β-strand972-97983
β-strand982-98873
β-strand994-100073
β-strand100415
β-strand1015-102171
β-strand1026-103161
β-strand1034-104071
β-strand1047-104824
β-strand1052-105873
β-strand1066-1075101
α-helix1081-109111
β-strand109616
β-strand109817
β-strand110417
α-helix11051
β-strand110618
β-strand1111-111559
β-strand1122-112659
β-strand1133-113759
β-strand1142-114545
β-strand1149-115245
β-strand1160-116459
β-strand117318
β-strand117516
β-strand1179-118579
β-strand1190-119459
β-strand1195110
β-strand1204-120529
β-strand1207-120939
α-helix1211-12133
β-strand1218110
β-strand1220-122679
β-strand1234-124079
β-strand1246-1255109
β-strand1258-126479
α-helix1265-12684
α-helix1278-12803
β-strand1282-128549
α-helix1293-12953

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Botulinum neurotoxin A heavy chainAprotein444Clostridium botulinumP0DPI0 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>8RVI_1 Botulinum neurotoxin A heavy chain (chains A)
MGSSHHHHHHSSGLVPRGSHMDTSILNLRYESNHLIDLSRYASKINIGSKVNFDPIDKNQ
IQLFNLESSKIEVILKNAIVYNSMYENFSTSFWIRIPKYFNSISLNNEYTIINCMENNSG
WKVSLNYGEIIWTLQDTQEIKQRVVFKYSQMINISDYINRWIFVTITNNRLNNSKIYING
RLIDQKPISNLGNIHASNNIMFKLDGCRDTHRYIWIKYFNLFDKELNEKEIKDLYDNQSN
SGILKDFWGDYLQYDKPYYMLNLYDPNKYVDVNNVGIRGYMYLKGPRGSVMTTNIYLNSS
LYRGTKFIIKKYASGNKDNIVRNNDRVYINVVVKNKEYRLATNASQAGVEKILSALEIPD
VGNLSQVVVMKSKNDQGITNKCKMNLQDNNGNDIGFIGFKQFNNIAKLVASNWYNRQIER
SSRTLGCSWEFIPVDDGWGERPLQ

Primary citation

Botulinum neurotoxin A mutants with enhanced ganglioside binding show improved potency and altered ganglioside selectivity. Masuyer, G., Rummel, A., Stenmark, P. Commun Chem (2025) 8:171-171. DOI 10.1038/s42004-025-01569-0 · PubMed

Other PDB entries of the same protein (UniProt P0DPI0 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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