SMTL ID : 9myl.2 (1 other biounit)

Fertilization IZUMO1 Protein Ectodomain in Complex with Anti-sperm Antibody OBF13

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.18 Å

Oligo State

hetero-1-1-1-mer

Ligands

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.1: 3 residues within 4Å: Chain A: W.181, N.183, S.185 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:W.181

1 x PRO: PROLINE(Non-covalent)

PRO.2: 3 residues within 4Å: Chain A: W.127, K.130, E.132 2 PLIP interactions: 2 interactions with chain A, Hydrophobic interactions: A:W.127, A:W.127

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

CL.3: 4 residues within 4Å: Chain B: V.93, Y.95, Q.107 Chain C: G.41 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lu, Y. et al., Allosteric inhibition of the IZUMO1-JUNO fertilization complex by the naturally occurring antisperm antibody OBF13. Proc.Natl.Acad.Sci.USA (2025)

Release Date

2025-03-19

Peptides

Izumo sperm-egg fusion protein 1: A
Anti-sperm antibody OBF13 heavy chain: B
Anti-sperm antibody OBF13 light chain: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
A

C
B

Izumo sperm-egg fusion protein 1

Anti-sperm antibody OBF13 heavy chain

Anti-sperm antibody OBF13 light chain

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