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Entry information

Complex
AACDB_ID: 6856
PDBID: 4HJ0
Chains: PQ_A
Organism: Homo sapiens
Method: XRD
Resolution (Å): 3.00
Reference: 10.1074/jbc.M112.426288
Antibody
Antibody: Gipg013 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Glucose-dependent insulinotropic polypeptide receptor (GIPr) ECD
Antigen mutation: No
Durg Target:

Sequence information

Antibody

Heavy Chain: P
Mutation: NULL

>4HJ0_P|Chain C, F[auth P]|Gipg013 Fab, Antagonizing antibody to the GIP Receptor, Heavy chain|Homo sapiens (9606)
QVQLQQSGAEVKKPGSSVKVSCKASGGTFSSYAISWVRQAPGQGLEWMGGIIPTFGTANYAQKFQGRVTITADESTSTAYMELSSLRSEDTAVYYCAQGPIVGAPTDYWGKGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDKTHT

Light Chain: Q
Mutation: NULL

>4HJ0_Q|Chain D, E[auth Q]|Gipg013 Fab, Antagonizing antibody to the GIP Receptor, Light chain|Homo sapiens (9606)
SYVLTQPPSASGTPGQRVAISCSGSNSNIGSNTVHWYQQLPGAAPKLLIYSNNQRPSGVPDRFSGSNSGTSASLAISRLQSEDEADYYCAAWDDSLNGVVFGGGTKVTVLQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTECS

Antigen

Chain: A
Mutation: NULL

>4HJ0_A|Chain A, B|Gastric inhibitory polypeptide receptor|Homo sapiens (9606)
MGSSHHHHHHSDYKDDDDKHMETGSKGQTAGELYQRWERYRRECQETLAAAEPPSGLACNGSFDMYVCWDYAAPNATARASCPWYLPWHHHVAAGFVLRQCGSDGQWGLWRDHTQCENPEKNEAFLDQRLILERLQ

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)

P: THR28 SER30 SER31 TYR32 ILE52 THR54 PHE55 ASN59 GLU74 GLN98 GLY99 PRO100 ILE101 VAL102 GLY103 ALA104 PRO105 ASP107 TYR108

Q: SER31 ASN32 THR33 HIS35 LEU47 TYR50 SER51 GLN54 PRO56 TRP92 ASP94

A: ALA32 GLY33 LEU35 TYR36 GLN37 TRP39 GLU40 ARG43 ARG44 GLN47 PHE65 ASP66 MET67 TYR68 TYR87 LEU88 PRO89 TRP90 ARG113 HIS115 GLU119 PRO121 GLU122

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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