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Entry information

Complex
AACDB_ID: 5790
PDBID: 7ZOZ
Chains: HL_A
Organism: Homo sapiens
Method: XRD
Resolution (Å): 2.10
Reference: 10.1038/s41467-023-39119-8
Antibody
Antibody: Anti-Siglec 15 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Human sialic acid-binding Ig-like lectin 15
Antigen mutation: No
Durg Target:

Sequence information

Antibody

Heavy Chain: H
Mutation: NULL

>7ZOZ_H|Chain B[auth H]|Anti-Siglec 15 Fab HC|Homo sapiens (9606)
QVQLQQPGAELVKPGASVKMSCKASGYTFTSYWITWVIQRPGQGLEWIGDIYCGSDTMHYNEKFKNKATLTVDTSSSTAYMQLSSLTSEDSAVYYCARWWDYGSSYDYFDYWGQGTTLTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSC

Light Chain: L
Mutation: NULL

>7ZOZ_L|Chain C[auth L]|Anti-Siglec 15 Fab LC|Homo sapiens (9606)
DIKMTQSPSSMYASLGERVTITCKASQDINSYLSWFQQKPGKSPKTLIYRANRLVDGVPSRFSGSGSGQDYSLTISSLEYEDMGIYYCLQYDEFPYTFGGGTKLEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Antigen

Chain: A
Mutation: NULL

>7ZOZ_A|Chain A|Sialic acid-binding Ig-like lectin 15|Homo sapiens (9606)
FVRTKIDTTENLLNTEVHSSPAQRWSMQVPPEVSAEAGDAAVLPCTFTHPHRHYDGPLTAIWRAGEPYAGPQVFRCAAARGSELCQTALSLHGRFRLLGNPRRNDLSLRVERLALADDRRYFCRVEFAGDVHDRYESRHGVRLHVTAAPRIVNISVLPSPAHAFRALCTAEGEPPPALAWSGPALGNSLAAVRSPREGHGHLVTAELPALTHDGRYTCTAANSLGRSEASVYLFRFHGASGASTVALLLGALGFKALLLLGVLAARAARRRPEHLDTPDTPPRSQAQESNYENLSQMNPRSPPATMCSP

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: SER31 TRP33 SER55 THR58 HIS60 GLU63 TRP98 TYR100 ASP101

L: ASP1 GLN27 ASN30 TYR32 ARG50 TYR91 ASP92 GLU93 PHE94 TYR96

A: ARG43 TRP44 SER45 MET46 PRO50 GLU51 GLU85 PRO86 TYR87 ALA88 ARG139 PHE141 HIS151 TYR154 ARG157 HIS158 GLY159

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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