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Entry information

Complex
AACDB_ID: 6939
PDBID: 4LF3
Chains: ED_F
Organism: Mus musculus, Homo sapiens
Method: XRD
Resolution (Å): 2.73
Reference: 10.1074/jbc.M113.496984
Antibody
Antibody: mAb1 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Glucagon receptor (GCGR)
Antigen mutation: Yes
Durg Target: P47871

Sequence information

Antibody

Heavy Chain: E
Mutation: NULL

>4LF3_E|Chain B, E|Fab light chain|Mus musculus (10090)
QVQLVESGGGVVQPGRSLRLSCAASGFTFSSYGMHWVRQAPGKGLEWVAVMWYDGSNKDYVDSVKGRFTISRDNSKNTLYLQMNRLRAEDTAVYYCAREKDHYDILTGYNYYYGLDVWGQGTTVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSC

Light Chain: D
Mutation: NULL

>4LF3_D|Chain A, D|Fab heavy chain|Mus musculus (10090)
DIQMTQSPSSLSASVGDRVTITCRASQGIRNDLGWYQQKPGKAPKRLIYAASSLESGVPSRFSGSGSGTEFTLTISSVQPEDFVTYYCLQHNSNPLTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Antigen

Chain: F
Mutation: G12S

>4LF3_F|Chain C, F|Glucagon receptor|Homo sapiens (9606)
MDFLFEKWKLYSDQCHHNLSLLPPPTELVCNRTFDKYSCWPDTPANTTANISCPWYLPWHHKVQHRFVFKRCGPDGQWVRGPRGQPWRDASQCQM

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)

D: HIS91 ASN92 SER93 ASN94 LEU96

E: HIS249 VAL264 TRP266 SER270 ASN271 GLU313 TYR317 ILE319 LEU320 THR321 GLY322 TYR323 ASN324 TYR326

F: LEU32 PHE33 TRP36 LYS64 TYR65 TYR84 LEU85 PRO86 TRP87 ARG108 PRO110 ARG111 GLY112 GLN113 PRO114 TRP115 ARG116 ALA118 GLN122

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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