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Entry information

Complex
AACDB_ID: 93
PDBID: 1LK3
Chains: HL_A
Organism: Homo sapiens, Rattus norvegicus
Method: XRD
Resolution (Å): 1.91
Reference: 10.1016/s0969-2126(02)00791-8
Antibody
Antibody: 9D7 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Interleukin-10
Antigen mutation: No
Durg Target: P22301

Sequence information

Antibody

Heavy Chain: H
Mutation: NULL

>1LK3_H|Chain C[auth H], F[auth I]|9D7 Heavy Chain|Rattus norvegicus (10116)
QVNLLQSGAALVKPGASVKLSCKASGYTFTDFYIHWVKQSHGKSLEWIGYINPNSGYTNYNEKFKNKATLTVDKSTSTGYMELSRLTSEDSANYSCTRGVPGNNWFPYWGQGTLVTVSSAETTAPSVYPLAPGTALKSNSMVTLGCLVKGYFPEPVTVTWNSGALSSGVHTFPAVLQSGLYTLTSSVTVPSSTWPSQTVTCNVAHPASSTKVDKKIVPR

Light Chain: L
Mutation: NULL

>1LK3_L|Chain B[auth L], E[auth M]|9D7 Light Chain|Rattus norvegicus (10116)
DTVLTQPPALTVSPGEKLTISCKASESVTSRMHWYQQKPGQQPKLLIYKASNLASGVPARFSGSGSGTDFTLTIDPVEADDTAIYFCQQSWNGPLTFGAGTKLELKRADAAPTVSIFPPSTEQLATGGASVVCLMNNFYPRDISVKWKIDGTERRDGVLDSVTDQDSKDSTYSMSSTLSLTKADYESHNLYTCEVVHKTSSSPVVKSFNR

Antigen

Chain: A
Mutation: NULL

>1LK3_A|Chain A, D[auth B]|Interleukin-10|Homo sapiens (9606)
MSENSCTHFPGNLPNMLRDLRDAFSRVKTFFQMKDQLDNLLLKESLLEDFKGYLGCQALSEMIQFYLEEVMPQAENQDPDIKAHVNSLGENLKTLRLRLRRCHRFLPCENGGGSGGKSKAVEQVKNAFNKLQEKGIYKAMSEFDIFINYIEAYMTMKIRN

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: ASP1 ARG31 LYS49 SER90 TRP91 ASN92 GLY93 PRO94 LEU95

H: TYR33 TRP47 TYR50 ASN52 ASN54 SER55 TYR57 THR58 ASN59 VAL100 PRO101 GLY102 ASN103 ASN104

A: MET39 PHE71 GLU74 GLU75 PRO78 GLN79 ASN82 GLN83 LYS125 PHE128 ASN129 LYS130 LEU131 GLN132 GLU133 LYS134 ILE136 TYR137

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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