SMTL ID : 8xs1.1

Crystal structure of Fab fragment of anti-osteocalcin antibody KTM219 complexed with C-terminal peptide antigen

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

hetero-1-1-mer

Ligands

1 x ARG- ARG- PHE- TYR- GLY- PRO- VAL: Osteocalcin(Non-covalent)

ARG-ARG-PHE-TYR-GLY-PRO-VAL.1: 24 residues within 4Å: Chain A: W.37, H.39, V.41, E.54, D.56, D.59, Y.61, T.101, S.103, T.104, S.105, G.107, W.110 Chain B: H.33, N.35, Y.39, H.41, Y.43, L.53, Y.56, T.98, T.99, H.100, Y.103 24 PLIP interactions: 13 interactions with chain A, 11 interactions with chain B Hydrophobic interactions: A:W.37, A:W.37, A:V.41, A:Y.61, A:W.110, B:L.53, B:Y.56, B:T.98, B:Y.103 Hydrogen bonds: A:E.54, A:S.103, B:Y.43, B:Y.43, B:T.98, B:T.99 Water bridges: A:N.63, A:N.63, A:S.105, B:Y.43, B:T.98, B:H.100 Salt bridges: A:D.56, A:D.59 pi-Stacking: A:H.39

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yazaki, S. et al., Crystal Structures of Antigen-Binding Fragment (Fab) of Anti-Osteocalcin Antibody KTM219: Structural Basis for Quench-body (Q-body). To Be Published

Release Date

2025-01-15

Peptides

Heavy chain fragment (Fd) chain of anti-osteocalcin antibody KTM219: A
Light chain of anti-osteocalcin antibody KTM219: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
H

B
L

Heavy chain fragment (Fd) chain of anti-osteocalcin antibody KTM219

Light chain of anti-osteocalcin antibody KTM219

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