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Entry information

Complex
AACDB_ID: 3007
PDBID: 6VI4
Chains: C_B
Organism: Homo sapiens, Lama glama
Method: XRD
Resolution (Å): 3.30
Reference: 10.1038/s41467-020-14889-7
Antibody
Antibody: 6 Nanobody
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Kappa opioid receptor
Antigen mutation: Yes
Durg Target: P41145

Sequence information

Antibody

Chain: C
Mutation: NULL

>6VI4_C|Chain C, D|Nanobody 6|Lama glama (9844)
MAQVQLQESGGGLVQAGESLRLSCAASGTIFRLYDMGWYRRVSGNQRELVASITSGGSTKYGDSVKGRFTISRDNAKNTVYLQMSSLKPEDTAVYYCNAEYRTGIWEELLDGWGQGTQVTVSSHHHHHHEPEA

Antigen

Chain: B
Mutation: I84L

>6VI4_B|Chain A, B|Kappa opioid receptor|Homo sapiens (9606)
GSISPAIPVIITAVYSVVFVVGLVGNSLVMFVIIRYTKMKTATNIYIFNLALADALVTTTMPFQSTVYLMNSWPFGDVLCKIVLSIDYYNMFTSIFTLTMMSVDRYIAVCHPVKALDFRTPLKAKIINICIWLLSSSVGISAIVLGGTKVREDVDVIECSLQFPDDDYSWWDLFMKICVFIFAFVIPVLIIIVCYTLMILRLKSVRLLSGSREKDRNLRRITRLVLVVVAVFVVCWTPIHIFILVEALGSTSHSTAALSSYYFCIALGYTNSSLNPILYAFLDENFKRCFRDFCFPLKMRMERQSTS

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)

C: PHE31 ARG32 TYR34 ASP35 GLU100 ARG102 ILE105 TRP106 GLU107 GLU108 LEU109 LEU110 ASP111

B: TYR246 ILE250 LEU253 LYS254 SER255 VAL256 ARG257 LEU258 ARG263 ASP266 ARG267 ARG270 ARG271 THR273 ARG274 LEU277

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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