Details

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Entry information

Complex
AACDB_ID: 546
PDBID: 3JBE
Chains: 7_3
Organism: Human poliovirus 1 Mahoney, Camelus dromedarius
Method: EM
Resolution (Å): 4.20
Reference: 10.1128/JVI.03017-15
Antibody
Antibody: PVSS8A VHH
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: poliovirus capsid protein VP3
Antigen mutation: No
Durg Target: P03300

Sequence information

Antibody

Chain: 7
Mutation: NULL

>3JBE_7|Chain E[auth 7]|nanobody VHH PVSS8A|Camelus dromedarius (9838)
QVQLQESGGGSVQAGGSLRLSCAASGYQYSLLCMAWFRQVLGEGREGVAFITTYNGAMRYADTVKGRFTVSQDKDKNTVYLQMNSLKPEDTAIYYCAAGRWRFGDICHEGSGYNYWGQGTQVTVSSHHHHHH

Antigen

Chain: 3
Mutation: NULL

>3JBE_3|Chain C[auth 3]|Capsid protein VP3|Human poliovirus 1 Mahoney (12081)
GLPVMNTPGSNQYLTADNFQSPCALPEFDVTPPIDIPGEVKNMMELAEIDTMIPFDLSATKKNTMEMYRVRLSDKPHTDDPILCLSLSPASDPRLSHTMLGEILNYYTHWAGSLKFTFLFCGSMMATGKLLVSYAPPGADPPKKRKEAMLGTHVIWDIGLQSSCTMVVPWISNTTYRQTIDDSFTEGGYISVFYQTRIVVPLSTPREMDILGFVSACNDFSVRLLRDTTHIEQKALA

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)

7: ARG102 PHE103 ASP105

3: ASP181 ASP182 SER183

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)

Within the threshold, the structure has no interacting amino acids and cannot be displayed. This may be due to the following reasons:
1. The method used to determine the structure is electron microscopy or nuclear magnetic resonance, which results in too low resolution;
2. the coordinates of some amino acids involved in the interaction in the structure were not detected due to technical limitations. The results are less based on atomic coordinates, but the antibody does target the antigen.

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