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Entry information

Complex
AACDB_ID: 5933
PDBID: 8CYH
Chains: HL_M
Organism: Homo sapiens
Method: XRD
Resolution (Å): 3.38
Reference: 10.3389/fddsv.2023.1216516
Antibody
Antibody: A12 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Human mesothelin
Antigen mutation: No
Durg Target: Q13421

Sequence information

Antibody

Heavy Chain: H
Mutation: NULL

>8CYH_H|Chain B[auth H]|A12 antibody heavy chain|Homo sapiens (9606)
EEVQLLESGGGLVQPGGSLRLSCAASGLTFRSYAMTWVRQAPGKGLEWVSGISVSGGITYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAKRGAAVGSFDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKS

Light Chain: L
Mutation: NULL

>8CYH_L|Chain A[auth L]|A12 antibody light chain|Homo sapiens (9606)
DIQMTQSPSSLSASVGDRVTITCRSSQGIGSWLAWYQQKPEKAPQSLIYAASSLQSGVPSRFSGSGSGTDFTLTISNLQPEDFATYYCQQYNSYPLTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Antigen

Chain: M
Mutation: NULL

>8CYH_M|Chain C[auth M]|Mesothelin, cleaved form|Homo sapiens (9606)
EVEKTACPSGKKAREIDESLIFYKKWELEACVDAALLATQMDRVNAIPFTYEQLDVLKHKLDELYPQGYPESVIQHLGYLFLKMSPEDIRKWNVTSLETLKALLEVNKGHEMSPQAPRRPLPQVATLIDRFVKGRGQLDKDTLDTLTAFYPGYLCSLSPEELSSVPPSSIWAVRPQDLDTCDPRQLDVLYPKARLAFQNMNGSEYFVKIQSFLGGAPTEDLKALSQQNVSMDLATFMKLRTDAVLPLTVAEVQKLLGPHVEGLKAEERHRPVRDWILRQRQDDLDTLGLGLQGGIPNGYLVLDLSMQEALGSGLNDIFEAQKIEWHE

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)

L: GLY30 SER31 TRP32 TYR49 ALA50 SER52 SER53 GLN55 TYR91

H: THR28 SER31 TYR32 ALA33 VAL53 GLY100 ALA101 ALA102 VAL103 GLY104 SER105 ASP107

M: SER525 GLN548 GLY552 PRO553 HIS554 VAL555 GLU556 GLY557 LYS559 ASP580 THR581 LEU582 GLY583 LEU584 GLY585 GLN587

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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