2YBR: Single chain antibody fragment 9004G

Crystal structure of the human derived single chain antibody fragment (scFv) 9004G in complex with Cn2 toxin from the scorpion Centruroides noxius Hoffmann. Determined by X-ray diffraction at 2.55 Å resolution. Released 13 Apr 2011.

Method
X-ray diffraction
Resolution
2.55 Å
Organisms
HOMO SAPIENS, CENTRUROIDES NOXIUS HOFFMANN
Chains
9
Atoms
6,941
Mol. weight
106.68 kDa
Released
13 Apr 2011

Explore 2YBR in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2YBR contains 25 α-helices and 92 β-strands across 9 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: 4 helices, 12 β-strands

ElementResiduesLengthSheet
β-strand3-751
β-strand10-1232
β-strand18-2581
α-helix29-313
β-strand34-3962
β-strand45-5172
α-helix53-553
β-strand58-6032
α-helix62-643
β-strand6511
β-strand68-7361
β-strand78-8361
α-helix88-903
β-strand92-101102
β-strand103-10752
β-strand111-11552
Chain B: 2 helices, 11 β-strands
ElementResiduesLengthSheet
β-strand136-13943
β-strand142-14544
β-strand151-15773
β-strand165-17064
β-strand177-18044
β-strand18614
α-helix1871
β-strand194-19853
β-strand202-20763
α-helix212-2143
β-strand217-22264
β-strand229-23024
β-strand234-23854
Chains C and F: 2 helices, 7 β-strands
ElementResiduesLengthSheet
β-strand3-425
β-strand616
β-strand1316
β-strand1515
β-strand2015
α-helix23-3311
β-strand38-4255
β-strand45-4955
α-helix59-602
Chains D and G: 4 helices, 13 β-strands
ElementResiduesLengthSheet
β-strand3-757
β-strand1118
β-strand18-2587
α-helix29-313
β-strand34-3969
β-strand45-5179
α-helix53-553
β-strand58-6039
α-helix62-643
β-strand6517
β-strand68-7367
β-strand78-8367
α-helix88-903
β-strand92-10099
β-strand103-10759
β-strand111-11339
β-strand11418
Chain E: 2 helices, 11 β-strands
ElementResiduesLengthSheet
β-strand136-139410
β-strand142-144311
β-strand151-157710
β-strand165-170611
β-strand177-180411
β-strand186111
α-helix1871
β-strand194-198510
β-strand202-207610
α-helix212-2143
β-strand217-222611
β-strand229-230211
β-strand234-237411
Chain H: 4 helices, 11 β-strands
ElementResiduesLengthSheet
β-strand136-139417
β-strand142-145418
β-strand151-157717
β-strand165-170618
α-helix175-1762
β-strand177-182618
β-strand185-186218
α-helix1871
β-strand194-199617
β-strand202-207617
α-helix212-2143
β-strand217-222618
α-helix2281
β-strand229-230218
β-strand234-238518
Chain I: 1 helix, 7 β-strands
ElementResiduesLengthSheet
β-strand3-4219
β-strand6120
β-strand13120
β-strand15119
β-strand20119
α-helix23-3311
β-strand38-42519
β-strand45-49519

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Single chain antibody fragment 9004GA, D, Gprotein117HOMO SAPIENS
Single chain antibody fragment 9004GB, E, Hprotein146HOMO SAPIENS
Beta-mammal toxin CN2C, F, Iprotein66CENTRUROIDES NOXIUS HOFFMANNP01495 (AlphaFold model)
Sequence of entity 1 (A, D, G), FASTA
>2YBR_1 SINGLE CHAIN ANTIBODY FRAGMENT 9004G (chains A, D, G)
EVQLVESGGGLVQPGGSLRLSCTGSGFTFDNYAMHWLRQVPGEGLEWVSGISRSSGDIDY
ADSVKGRFTISRDDAKKTLSLQMNSLRAEDTAVYYCARGGVGSFDTWGQGTMVTVSS
Sequence of entity 2 (B, E, H), FASTA
>2YBR_2 SINGLE CHAIN ANTIBODY FRAGMENT 9004G (chains B, E, H)
GGGGSGGGGSGGGGSEIVLTQSPATLSVSPGERATLSCRASQSVRSYLAWYQQKPGQAPR
LLFSDASNRATGIPARFTGSGSGTDFTLTISSLEPEDFAIYYCQQYRYSPRTFGQGTKVE
IKRAAAEQKLISEEDLNGAAHHHHHH
Sequence of entity 3 (C, F, I), FASTA
>2YBR_3 BETA-MAMMAL TOXIN CN2 (chains C, F, I)
KEGYLVDKNTGCKYECLKLGDNDYCLRECKQQYGKGAGGYCYAFACWCTHLYEQAIVWPL
PNKRCS

Primary citation

Structural Basis of Neutralization of the Major Toxic Component from the Scorpion Centruroides Noxius Hoffmann by a Human-Derived Single Chain Antibody Fragment. Canul-Tec, J.C., Riano-Umbarila, L., Rudino-Pinera, E. et al. J Biol Chem (2011) 286:20892. DOI 10.1074/JBC.M111.238410 · PubMed

Other PDB entries of the same protein (UniProt P01495 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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