9XJV | pdb_00009xjv

Crystal structure of murine EMAP-II

• PDB DOI: https://doi.org/10.2210/pdb9XJV/pdb

• Classification: CYTOKINE
• Organism(s): Mus musculus
• Expression System: prokaryotic metagenome
• Mutation(s): No 


• Deposited: 2025-11-05 Released: 2026-11-11 
• Deposition Author(s): Jiang, L.G., Chen, L.Y., Huang, M.D.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.84 Å
• R-Value Free: 
  0.267 (Depositor), 0.272 (DCC) 
• R-Value Work: 
  0.209 (Depositor), 0.216 (DCC) 
• R-Value Observed: 
  0.211 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of murine EMAP-II

Jiang, L.G., Chen, L.Y., Huang, M.D.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 36.03 kDa 
• Atom Count: 2,773 
• Modeled Residue Count: 328 
• Deposited Residue Count: 332 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Endothelial monocyte-activating polypeptide 2	A, B	166	Mus musculus	Mutation(s): 0  Gene Names: Aimp1, Emap2, Scye1
UniProt & NIH Common Fund Data Resources
Find proteins for P31230 (Mus musculus) Explore P31230  Go to UniProtKB:  P31230
IMPC:  MGI:102774

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.84 Å
• R-Value Free:  0.267 (Depositor), 0.272 (DCC) 
• R-Value Work:  0.209 (Depositor), 0.216 (DCC) 
• R-Value Observed: 0.211 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.514	α = 81.18
b = 45.178	β = 79.61
c = 55.257	γ = 66.33

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-11-11 
Deposition Author(s): Jiang, L.G., Chen, L.Y., Huang, M.D.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

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