9YY0 | pdb_00009yy0

IGHV4-34 germline-reverted antibody pre166

PDB DOI: https://doi.org/10.2210/pdb9YY0/pdb

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

Deposited: 2025-10-28 Released: 2026-02-11
Deposition Author(s): Langley, D.B., Christ, D.
Funding Organization(s): National Health and Medical Research Council (NHMRC, Australia)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.34 Å
R-Value Free:
0.253 (Depositor), 0.252 (DCC)
R-Value Work:
0.224 (Depositor), 0.224 (DCC)
R-Value Observed:
0.226 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

IGHV4-34 germline-reverted antibody pre166

Langley, D.B., Christ, D.

To be published.

Macromolecule Content

Total Structure Weight: 48.01 kDa
Atom Count: 3,597
Modeled Residue Count: 420
Deposited Residue Count: 443
Unique protein chains: 2

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Heavy chain Fab of pre166 antibody	A [auth H]	229	Homo sapiens	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Light chain Fab of pre166 antibody	B [auth L]	214	Homo sapiens	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.34 Å
R-Value Free: 0.253 (Depositor), 0.252 (DCC)
R-Value Work: 0.224 (Depositor), 0.224 (DCC)
R-Value Observed: 0.226 (Depositor)

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.463	α = 90
b = 47.093	β = 114.38
c = 71.154	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing
PDB_EXTRACT	data extraction

Structure Validation

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Entry History & Funding Information

Deposition Data

Released Date: 2026-02-11

Deposition Author(s):

Funding Organization	Location	Grant Number
National Health and Medical Research Council (NHMRC, Australia)	Australia	--

Revision History (Full details and data files)

Version 1.0: 2026-02-11
Type: Initial release

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.