12FC | pdb_000012fc

Crystal structure of unliganded Fab 7118

PDB DOI: https://doi.org/10.2210/pdb12FC/pdb

Classification: IMMUNE SYSTEM
Organism(s): Homo sapiens
Expression System: Cricetulus griseus
Mutation(s): No

Deposited: 2026-04-01 Released: 2026-05-27
Deposition Author(s): Jain, M., Wilson, I.A.
Funding Organization(s): Bill & Melinda Gates Foundation

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.29 Å
R-Value Free:
0.278 (Depositor), 0.279 (DCC)
R-Value Work:
0.218 (Depositor), 0.218 (DCC)
R-Value Observed:
0.223 (Depositor)

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

This is version 1.0 of the entry. See complete history.

Literature

Structural basis for conserved and distinct antigen recognition by a lineage of malaria-protective antibodies

Jain, M., Wilson, I.A.

(2026) PLoS Pathog

Macromolecule Content

Total Structure Weight: 48.89 kDa
Atom Count: 3,402
Modeled Residue Count: 430
Deposited Residue Count: 450
Unique protein chains: 2

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Heavy Chain of Fab 7118	A	231	Homo sapiens	Mutation(s): 0

Find similar proteins by:

| 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Light Chain of Fab 7188	B	219	Homo sapiens	Mutation(s): 0

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.29 Å
R-Value Free: 0.278 (Depositor), 0.279 (DCC)
R-Value Work: 0.218 (Depositor), 0.218 (DCC)
R-Value Observed: 0.223 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.665	α = 90
b = 73.202	β = 90
c = 150.503	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data scaling
HKL-2000	data reduction
PDB_EXTRACT	data extraction
PHASER	phasing

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-05-27

Deposition Author(s):

Jain, M.

Wilson, I.A.

Funding Organization	Location	Grant Number
Bill & Melinda Gates Foundation	United States	INV-004923

Revision History (Full details and data files)

Version 1.0: 2026-05-27
Type: Initial release

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.