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Entry information

Complex
AACDB_ID: 145
PDBID: 1QFW
Chains: IM_B
Organism: Homo sapiens, Mus musculus
Method: XRD
Resolution (Å): 3.50
Reference: 10.1006/jmbi.1999.2845
Antibody
Antibody: 3468 Fv
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: gonadotropin beta subunit
Antigen mutation: No
Durg Target:

Sequence information

Antibody

Heavy Chain: I
Mutation: NULL

>1QFW_I|Chain F[auth I]|ANTIBODY (ANTI BETA SUBUNIT) (HEAVY CHAIN)|Mus musculus (10090)
QVQLQESGGHLVKPGGSLKLSCAASGFAFSSFDMSWIRQTPEKRLEWVASITNVGTYTYYPGSVKGRFSISRDNARNTLNLQMSSLRSEDTALYFCARQGTAAQPYWYFDVWGAGTTVTVSS

Light Chain: M
Mutation: NULL

>1QFW_M|Chain E[auth M]|ANTIBODY (ANTI BETA SUBUNIT) (LIGHT CHAIN)|Mus musculus (10090)
DIELTQSPKSMSMSVGERVTLSCKASETVDSFVSWYQQKPEQSPKLLIFGASNRFSGVPDRFTGSGSATDFTLTISSVQAEDFADYHCGQTYNHPYTFGGGTKLEIKR

Antigen

Chain: B
Mutation: NULL

>1QFW_B|Chain B|GONADOTROPHIN BETA SUBUNIT|Homo sapiens (9606)
SKEPLRPRCRPINATLAVEKEGCPVCITVNTTICAGYCPTMTRVLQGVLPALPQVVCNYRDVRFESIRLPGCPRGVNPVVSYAVALSCQCALCRRSTTDCGGPKDHPLTCDDPRFQDSSSSKAPPPSLPSPSRLPGPSDTPILPQ

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)

M: SER226 THR228 ASP230 PHE232 ALA268 THR269 THR291 TYR292 ASN293 HIS294 TYR296

I: SER231 ASP233 SER250 THR252 ASN253 TYR257 TYR259 GLN299 ALA302 ALA303 GLN304 PRO305 TYR306

B: LYS20 GLU21 PHE64 SER66 ARG68 PRO73 ARG74 GLY75 VAL76 ASN77 PRO78 VAL79 VAL80 SER81 THR97

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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