9HIH | pdb_00009hih

Mouse IL-2 fused to S4B6 Fab fragment

PDB DOI: https://doi.org/10.2210/pdb9HIH/pdb

Classification: CYTOKINE/IMMUNE SYSTEM
Organism(s): Rattus norvegicus, Mus musculus
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2024-11-26 Released: 2025-12-10
Deposition Author(s): Blaha, J., Skorepa, O., Vanek, O.
Funding Organization(s): Czech Science Foundation

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.70 Å
R-Value Free:
0.276 (Depositor), 0.273 (DCC)
R-Value Work:
0.235 (Depositor), 0.232 (DCC)
R-Value Observed:
0.238 (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

Mouse IL-2 fused to S4B6 Fab fragment

Skorepa, O., Blaha, J., Vanek, O.

To be published.

Macromolecule Content

Total Structure Weight: 69.24 kDa
Atom Count: 4,315
Modeled Residue Count: 546
Deposited Residue Count: 640
Unique protein chains: 2

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
S4B6 VH_C1H	A [auth H]	239	Rattus norvegicus	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
mIL-2_LN35_S4B6_LC	B [auth L]	401	Mus musculus	Mutation(s): 0 Gene Names: Il2, Il-2, ENSRNOG00000068865
UniProt
Find proteins for P04351 (Mus musculus) Explore P04351 Go to UniProtKB: P04351
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P04351
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.70 Å
R-Value Free: 0.276 (Depositor), 0.273 (DCC)
R-Value Work: 0.235 (Depositor), 0.232 (DCC)
R-Value Observed: 0.238 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.866	α = 90
b = 77.004	β = 90
c = 169.659	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
SIMBAD	phasing

Structure Validation

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Entry History & Funding Information

Deposition Data

Released Date: 2025-12-10

Deposition Author(s):

Funding Organization	Location	Grant Number
Czech Science Foundation	Czech Republic	20-13029S

Revision History (Full details and data files)

Version 1.0: 2025-12-10
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.