8FA7: Ky15.11 Fab

Crystal structure of Ky15.11 Fab in complex with circumsporozoite protein KQPA peptide. Determined by X-ray diffraction at 1.8 Å resolution. Released 1 Nov 2023.

Method
X-ray diffraction
Resolution
1.8 Å
Organisms
Mus musculus, Plasmodium falciparum (isolate NF54)
Chains
3
Atoms
3,820
Mol. weight
51.75 kDa
Released
1 Nov 2023

Explore 8FA7 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8FA7 contains 18 α-helices and 43 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 H: 10 helices, 22 β-strands

ElementResiduesLengthSheet
β-strand3-751
β-strand10-1232
β-strand18-2581
α-helix29-313
β-strand34-4072
β-strand44-5182
β-strand57-5932
α-helix61-633
β-strand67-7261
β-strand77-8261
α-helix84-863
β-strand88-97102
β-strand100J-10362
β-strand107-11152
β-strand11713
α-helix118-1192
β-strand120-12454
α-helix128-1303
β-strand131-13224
β-strand135-145114
β-strand14613
β-strand151-15445
α-helix155-1573
β-strand163-16534
α-helix166-1683
β-strand169-17024
α-helix1711
β-strand176-185104
α-helix186-1883
β-strand195-20065
α-helix201-2033
β-strand205-21065
Chain L: 7 helices, 21 β-strands
ElementResiduesLengthSheet
β-strand4-746
β-strand10-1342
β-strand19-2576
β-strand33-3862
β-strand45-4952
β-strand53-5422
α-helix551
β-strand62-6766
β-strand70-7566
α-helix80-823
β-strand85-9062
β-strand97-9822
β-strand102-10652
β-strand11117
α-helix112-1132
β-strand114-11858
α-helix119-1213
α-helix122-1265
β-strand129-139118
β-strand14017
β-strand145-15069
β-strand153-15539
β-strand159-16358
α-helix164-1674
β-strand173-182108
α-helix183-1864
β-strand191-19779
β-strand205-21069
Chain P: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix7-93

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Ky15.11 Antibody, heavy chainHprotein232Mus musculus
Ky15.11 Antibody, light chainLprotein213Mus musculus
Circumsporozoite protein KQPA peptidePprotein15Plasmodium falciparum (isolate NF54)P19597 (AlphaFold model)
Sequence of entity 1 (H), FASTA
>8FA7_1 Ky15.11 Antibody, heavy chain (chains H)
QVQLVESGGGVVQPGRSLRLSCEASGFTFSNFGMHWVRQTPVKGLEWVAIIWFDGSYKYY
TDSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCARARKGQRSDYYGSETSYTFDNWG
QGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVH
TFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSC
Sequence of entity 2 (L), FASTA
>8FA7_2 Ky15.11 Antibody, light chain (chains L)
DIQMTQSPSTLSASVGDRVTITCRASQSINGWLAWYQQKPGKAPKFLIYKASILESGIPS
RFSGSGSGTEFTLTISSLQPDDFATYYCQQYSSYWTFGQGTKVEIKRTVAAPSVFIFPPS
DEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTL
SKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC
Sequence of entity 3 (P), FASTA
>8FA7_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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