SMTL ID : 8aci.1

Structure of ARG-117 Fab in complex with a fragment of complement C2, neutral pH

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

hetero-1-1-1-1-mer

Ligands

1 x NAG- FUC: alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-FUC.1: 7 residues within 4Å: Chain A: G.90, G.91, N.92, V.108, Q.110 Chain D: S.32, Y.34 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain D Hydrophobic interactions: A:V.108, D:Y.34 Hydrogen bonds: A:G.90, D:Y.34

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 6 residues within 4Å: Chain A: R.83, L.84 Chain B: N.33, E.99, D.103 Chain D: Y.100 5 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B, 1 interactions with chain D, 1 Ligand-Water interactions Metal complexes: A:R.83, B:E.99, B:D.103, D:Y.100, H2O.4

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.3: 4 residues within 4Å: Chain C: S.54, G.55, D.56, G.57 Ligand excluded by PLIP

1 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.4: 5 residues within 4Å: Chain D: V.154, A.157, Q.159, L.185, D.189 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:Q.159, D:Q.159

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Olesen, H.G. et al., Structure-function analysis of ARGX-117, a calcium- and pH-dependent clinical phase complement C2 blocking antibody. To be published

Release Date

2024-01-17

Peptides

Complement C2b fragment: A
ARGX-117 Fab heavy chain: B
nanobody specific for kappa light chain of Fab: C
ARGX-117 Fab light chain: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
H

C
K

D
L

Complement C2b fragment

ARGX-117 Fab heavy chain

nanobody specific for kappa light chain of Fab

ARGX-117 Fab light chain

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