8FB6: Ky15.10 Fab

Crystal structure of Ky15.10 Fab in complex with circumsporozoite protein KQPA peptide. Determined by X-ray diffraction at 2.15 Å resolution. Released 1 Nov 2023.

Method
X-ray diffraction
Resolution
2.15 Å
Organisms
Mus musculus, Plasmodium falciparum (isolate NF54)
Chains
3
Atoms
3,602
Mol. weight
50.56 kDa
Released
1 Nov 2023

Explore 8FB6 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8FB6 contains 16 α-helices and 44 β-strands across 3 chains. 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: 8 helices, 23 β-strands

ElementResiduesLengthSheet
β-strand3-751
β-strand11-1222
β-strand18-2581
α-helix29-313
β-strand34-3963
β-strand45-5173
β-strand57-5933
β-strand67-7261
β-strand77-8261
α-helix84-863
β-strand88-9583
α-helix961
β-strand100H-10343
β-strand107-10933
β-strand110-11122
β-strand11714
α-helix118-1192
β-strand120-12455
α-helix128-1303
β-strand131-13225
β-strand135-145115
β-strand14614
β-strand151-15336
β-strand162-16545
α-helix166-1683
β-strand169-17025
β-strand176-185105
α-helix186-1883
β-strand194-20076
α-helix201-2033
β-strand205-21176
Chain B: 7 helices, 21 β-strands
ElementResiduesLengthSheet
β-strand4-747
β-strand10-1348
β-strand19-2577
β-strand33-3868
β-strand45-4958
β-strand53-5428
β-strand62-6767
β-strand70-7567
α-helix80-823
β-strand85-9068
β-strand97-9828
β-strand102-10658
α-helix1071
β-strand11119
α-helix112-1132
β-strand114-118510
α-helix119-1213
α-helix122-1265
β-strand129-1391110
β-strand14019
β-strand145-150611
β-strand153-154211
β-strand159-163510
α-helix164-1674
β-strand173-1821010
α-helix183-1864
β-strand191-197711
β-strand205-210611
Chain P: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix7-93

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Ky15.10 Antibody, Heavy ChainAprotein228Mus musculus
Ky15.10 Antibody, Light ChainBprotein213Mus musculus
Circumsporozoite protein KQPA peptidePprotein15Plasmodium falciparum (isolate NF54)P19597 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>8FB6_1 Ky15.10 Antibody, Heavy Chain (chains A)
QVQLVESGGGVVQPGRSLRLSCAASGFTFSNSGMHWVRQVPGKGLEWVAIIWYDGSNKYY
ADSVKGRFSVSRDNSENTLYLQMSNLRAEDTAVYYCVRAYFDSENLYDYYGMDVWGQGTT
VTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPA
VLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSC
Sequence of entity 2 (B), FASTA
>8FB6_2 Ky15.10 Antibody, Light Chain (chains B)
DIQMTQSPSTLSASVGDRVTITCRASQSISRWLAWFQKKPGKAPKLLIYTASNLESGVPS
RFSGSGSGTEFTLTISSLQPDDFATYYCQQYYNYWTFGQGTKVEVKRTVAAPSVFIFPPS
DEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTL
SKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC
Sequence of entity 3 (P), FASTA
>8FB6_3 Circumsporozoite protein KQPA peptide (chains P)
KQPADGNPDPNANPN

Primary citation

Molecular determinants of cross-reactivity and potency by VH3-33 antibodies against the Plasmodium falciparum circumsporozoite protein. Thai, E., Murugan, R., Binter, S. et al. Cell Rep (2023) 42:113330-113330. DOI 10.1016/j.celrep.2023.113330 · PubMed

Other PDB entries of the same protein (UniProt P19597 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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