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Entry information

Complex
AACDB_ID: 5815
PDBID: 8A67
Chains: H_G
Organism: Homo sapiens, synthetic construct
Method: XRD
Resolution (Å): 1.86
Reference: 10.1101/2023.01.10.523363
Antibody
Antibody: NbSL3.3Q VHH
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Human polyubiquitin-B
Antigen mutation: Yes
Durg Target: Q8ID50; P0CG47; P0CG47; P0CG47; P0CG48; P0CG48; P0CG48; P0CG48; P0CG48; P0CG48; P0CG48; P0CG48; P0CG48;

Sequence information

Antibody

Chain: H
Mutation: NULL

>8A67_H|Chain D, H|Synthetic Nanobody NbSL3.3Q|synthetic construct (32630)
MKYLLPTAAAGLLLLAAQPAMAQVQLQESGGGLVQAGGSLRLSCAASGSIFDLGVMGWYRQAPGKEREQVAGIDYGGVTNYADSVKGRFTISRDNDTVYLQMNSLKPEDTAVYYCAAGIVGDEVGWIYYLYWGQGTQVTVSSHHHHHH

Antigen

Chain: G
Mutation: K48R/K63R

>8A67_G|Chain B, C, F, G|Polyubiquitin-B|Homo sapiens (9606)
MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGRQLEDGRTLSDYNIQRESTLHLVLRLRGG

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: VAL4 TYR39 GLU46 ARG47 GLN49 ASN60 ILE99 GLY101 ASP102 GLU103 GLY105 TRP106 ILE107 TYR108 TYR109 LEU110 TYR111 TRP112 GLN114

G: THR7 LEU8 THR9 GLU34 GLY35 ILE36 PRO37 ASP39 GLN40 ARG42 ILE44 GLN49 GLU51 HIS68 LEU69 VAL70 LEU71 ARG72 LEU73 ARG74 GLY75 GLY76

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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