6O23: 2243 Fab

Crystal structure of 2243 Fab in complex with circumsporozoite protein NANP5. Determined by X-ray diffraction at 2.0 Å resolution. Released 4 Mar 2020.

Method
X-ray diffraction
Resolution
2.0 Å
Organisms
Homo sapiens, Plasmodium falciparum
Chains
5
Atoms
7,624
Mol. weight
98.89 kDa
Released
4 Mar 2020

Explore 6O23 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6O23 contains 34 α-helices and 88 β-strands across 4 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: 9 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-strand100G-10343
β-strand107-10933
β-strand110-11122
β-strand11714
α-helix118-1192
β-strand120-12455
α-helix125-1273
β-strand135-145115
β-strand14614
β-strand151-15446
α-helix155-1573
β-strand15916
β-strand163-16535
α-helix166-1683
β-strand169-17025
β-strand176-185105
α-helix186-1883
β-strand195-20066
α-helix201-2033
β-strand205-21066
Chain B: 8 helices, 21 β-strands
ElementResiduesLengthSheet
β-strand4-747
β-strand10-1348
β-strand19-2577
β-strand33-3868
β-strand45-4958
β-strand53-5428
α-helix551
β-strand62-6547
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-helix122-1276
β-strand129-1391110
β-strand14019
β-strand144-150711
β-strand153-154211
β-strand159-163510
α-helix164-1674
β-strand173-1821010
α-helix183-1864
β-strand191-198811
β-strand205-210611
Chain C: 8 helices, 23 β-strands
ElementResiduesLengthSheet
β-strand3-7512
β-strand11-12213
β-strand18-25812
α-helix29-313
β-strand34-39614
β-strand45-51714
β-strand57-59314
β-strand67-72612
β-strand77-82612
α-helix84-863
β-strand88-95814
α-helix961
β-strand100G-103414
β-strand107-109314
β-strand110-111213
β-strand117115
α-helix118-1192
β-strand120-124516
β-strand135-1451116
β-strand146115
β-strand151-154417
α-helix155-1573
β-strand159117
β-strand163-165316
α-helix166-1683
β-strand169-170216
β-strand176-1851016
α-helix186-1883
β-strand194-200717
α-helix201-2033
β-strand205-211717
Chain D: 9 helices, 21 β-strands
ElementResiduesLengthSheet
α-helix2-32
β-strand4-7418
β-strand10-13419
β-strand19-25718
β-strand33-38619
β-strand45-49519
β-strand53-54219
α-helix551
β-strand62-67618
β-strand70-75618
α-helix80-823
β-strand84-90719
β-strand97-98219
β-strand102-106519
β-strand111120
α-helix112-1132
β-strand114-118521
α-helix119-1213
α-helix122-1276
β-strand129-1391121
β-strand140120
β-strand145-150622
β-strand153-154222
α-helix1551
β-strand159-164621
α-helix165-1662
β-strand173-1821021
α-helix183-1886
β-strand191-197722
β-strand205-210622

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
2243 Fab heavy chainA, Cprotein227Homo sapiens
2243 kappa light chainB, Dprotein213Homo sapiens
Circumsporozoite proteinEprotein20Plasmodium falciparumP19597 (AlphaFold model)
Sequence of entity 1 (A, C), FASTA
>6O23_1 2243 Fab heavy chain (chains A, C)
QVQLVESGGGVVQPGRSLRLSCAASGFTFSSYGMHWVRQAPGKGLEWVAVIWYDGSNKYY
ADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCARALDDASSTSCCALDYWGQGTLV
TVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAV
LQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSC
Sequence of entity 2 (B, D), FASTA
>6O23_2 2243 kappa light chain (chains B, D)
DIQMTQSPSTLSASVGDRVTITCRASQSISSWLAWYQQKPGKAPKLLIYKASSLESGVPS
RFSGSGSGTEFTLTISSLQPDDFATYYCQQYNSYFTFGPGTKVDIKRTVAAPSVFIFPPS
DEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTL
SKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC
Sequence of entity 3 (E), FASTA
>6O23_3 Circumsporozoite protein (chains E)
NANPNANPNANPNANPNANP

Primary citation

Evolution of protective human antibodies against Plasmodium falciparum circumsporozoite protein repeat motifs. Murugan, R., Scally, S.W., Costa, G. et al. Nat Med (2020) 26:1135-1145. DOI 10.1038/s41591-020-0881-9 · PubMed

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

Browse structure collections

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