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Entry information

Complex
AACDB_ID: 3051
PDBID: 6VRQ
Chains: HL_B
Organism: Mus musculus, Homo sapiens
Method: XRD
Resolution (Å): 2.57
Reference: 10.1016/j.celrep.2021.109084
Antibody
Antibody: anti-idiotype iv12 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: gl12A21 Fab light chain
Antigen mutation: No
Durg Target: P01834

Sequence information

Antibody

Heavy Chain: H
Mutation: NULL

>6VRQ_H|Chain A[auth H]|iv12 Fab Heavy Chain|Mus musculus (10090)
QVQLQQSGAELARPGASVKLPCKASGYTFTNYGLIWVKQRSGQGLEWIGEIYPRSGNTYYNEKFKGKATLTADKSSSTAYMELRSLASEDSAVYFCAKKFMPTGFFDYWGQGTTLTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDK

Light Chain: L
Mutation: NULL

>6VRQ_L|Chain B[auth L]|iv12 Fab Light Chain|Mus musculus (10090)
DIVMTQSHKSMSTSIGDRVSITCKASQDVSIAVAWYQQNPGQSPKLLIFSASYRYTGVPDRFTGSGSGTDFTITITSVQAEDLAVYYCQQHHSNPLTFGAGTKLELKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Antigen

Chain: B
Mutation: NULL

>6VRQ_B|Chain D[auth B]|gl12A21 Fab Light Chain|Homo sapiens (9606)
DIQMTQSPSSLSASVGDRVTITCQASQDISNYLNWYQQKPGKAPKLLIYDASNLETGVPSRFSGSGSGTDFTFTISSLQPEDIATYYCAVLEFFGPGTKVDIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Interaction

1、Solvent accessible surface areas (SASA) were calculated (Naccess V2.1.1) for each residue in antibody and antigen, respectively. The residues with SASA loss in binding of more than 1Å2 were classified as interacting residues.

Interacting residues (ΔSASA based)

H: ARG53 SER54

B: ASN31 TYR32 ASP50

2、We defined interacting paratope-epitope residues by a distance cutoff of < 5Å . Two amino acids are considered as interacting residues if they have at least one atom within a distance of 5 Å from any atom.

Interacting residues (Atom distance based)

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