Biological Assembly 1  

 3D View: Structure

Global Symmetry: Cyclic - C2  (3D View)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 32.59 kDa 
• Atom Count: 2743 
• Residue Count: 308 
• Unique protein chains: 1

1H6U

Internalin H: crystal structure of fused N-terminal domains.

• DOI: 10.2210/pdb1H6U/pdb

• Classification: CELL ADHESION
• Organism(s): Listeria monocytogenes
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2001-06-25 Released: 2001-10-11 
• Deposition Author(s): Schubert, W.-D., Gobel, G., Diepholz, M., Darji, A., Kloer, D., Hain, T., Chakraborty, T., Wehland, J., Domann, E., Heinz, D.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.217 
• R-Value Work: 0.167 
• R-Value Observed: 0.170 

Literature

Internalins from the human pathogen Listeria monocytogenes combine three distinct folds into a contiguous internalin domain.

Schubert, W.D., Gobel, G., Diepholz, M., Darji, A., Kloer, D., Hain, T., Chakraborty, T., Wehland, J., Domann, E., Heinz, D.W.

(2001) J Mol Biol 312: 783-794

• PubMed: 11575932 
• DOI: 10.1006/jmbi.2001.4989
• Structures With Same Primary Citation


• PubMed Abstract: 
  

Listeria monocytogenes is an opportunistic, food-borne human and animal pathogen. Host cell invasion requires the action of the internalins A (InlA) and B (InlB), which are members of a family of listerial cell-surface proteins. Common to these proteins are three distinctive N-terminal domains that have been shown to direct host cell-specific invasion for InlA and InlB. Here, we present the high-resolution crystal structures of these domains present in InlB and InlH, and show that they constitute a single "internalin domain". In this internalin domain, a central LRR region is flanked contiguously by a truncated EF-hand-like cap and an immunoglobulin (Ig)-like fold. The extended beta-sheet, resulting from the distinctive fusion of the LRR and the Ig-like folds, constitutes an adaptable concave interaction surface, which we propose is responsible for the specific recognition of the host cellular binding partners during infection.

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Related Citations: 

• Internalins from the Human Pathogen Listeria Monocytogenes Combine Three Distinct Folds Into a Contiguous Internalin Domain
  Schubert, W.-D., Gobel, G., Diepholz, M., Darji, A., Kloer, D., Hain, T., Chakraborty, T., Wehland, J., Domann, E., Heinz, D.W.
  (2001) J Mol Biol 312: 783

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Organizational Affiliation: 

Department of Structural Biology, German Research Center for Biotechnology, Braunschweig.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
INTERNALIN H	A	308	Listeria monocytogenes	Mutation(s): 1  Gene Names: inlH, DRA50_00465, FR217_07310
Find proteins for Q9ZEY1 (Listeria monocytogenes) Go to UniProtKB:  Q9ZEY1

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.217 
• R-Value Work: 0.167 
• R-Value Observed: 0.170 
• Space Group: I 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.481	α = 90
b = 100.682	β = 90
c = 119.931	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2001-06-25 
• Released Date: 2001-10-11 
Deposition Author(s): Schubert, W.-D., Gobel, G., Diepholz, M., Darji, A., Kloer, D., Hain, T., Chakraborty, T., Wehland, J., Domann, E., Heinz, D.W.

Revision History 

• Version 1.0: 2001-10-11
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2019-05-15
  Changes: Data collection, Database references, Experimental preparation, Other