5VXK | pdb_00005vxk

2.55 A resolution structure of IpaD from Shigella flexneri in complex with single-domain antibody JMK-H2

• PDB DOI: https://doi.org/10.2210/pdb5VXK/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Vicugna pacos, Shigella flexneri
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2017-05-23 Released: 2017-08-30 
• Deposition Author(s): Barta, M.L., Lovell, S., Battaile, K.P., Picking, W.D., Picking, W.L.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.55 Å
• R-Value Free: 
  0.273 (Depositor), 0.280 (DCC) 
• R-Value Work: 
  0.202 (Depositor), 0.209 (DCC) 
• R-Value Observed: 
  0.205 (Depositor) 

Starting Model: experimental

Literature

2.55 A resolution structure of IpaD from Shigella flexneri in complex with single-domain antibody JMK-H2

Barta, M.L., Lovell, S., Battaile, K.P., Picking, W.D., Picking, W.L.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 48.82 kDa 
• Atom Count: 3,134 
• Modeled Residue Count: 407 
• Deposited Residue Count: 444 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
single-domain antibody JMK-H2	A [auth B]	155	Vicugna pacos	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Invasin IpaD	B [auth A]	289	Shigella flexneri	Mutation(s): 1  Gene Names: ipaD, CP0126
UniProt
Find proteins for P18013 (Shigella flexneri) Explore P18013  Go to UniProtKB:  P18013

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.55 Å
• R-Value Free:  0.273 (Depositor), 0.280 (DCC) 
• R-Value Work:  0.202 (Depositor), 0.209 (DCC) 
• R-Value Observed: 0.205 (Depositor) 

Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.641	α = 90
b = 107.913	β = 90
c = 174.319	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2017-08-30 
Deposition Author(s): Barta, M.L., Lovell, S., Battaile, K.P., Picking, W.D., Picking, W.L.

Revision History  

• Version 1.0: 2017-08-30
  Type: Initial release
  
• Version 1.1: 2023-10-04
  Changes: Data collection, Database references, Refinement description
• Version 1.2: 2024-11-13
  Changes: Structure summary