9ASS

Crystal Structure of Neutrophil Elastase Inhibited by Eap4 from S. aureus

• PDB DOI: https://doi.org/10.2210/pdb9ASS/pdb

• Classification: PROTEIN BINDING
• Organism(s): Homo sapiens, Staphylococcus aureus subsp. aureus Mu50
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2024-02-26 Released: 2024-06-12 
• Deposition Author(s): Mishra, N.B., Geisbrecht, B.V.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.212 
• R-Value Work: 0.189 
• R-Value Observed: 0.190 

Starting Models: experimental

Literature

Bifunctional Inhibition of Neutrophil Elastase and Cathepsin-G by Eap4 from S. aureus

Mishra, N.B., Geisbrecht, B.V.

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)

Macromolecule Content

• Total Structure Weight: 36.89 kDa 
• Atom Count: 2,751 
• Modelled Residue Count: 316 
• Deposited Residue Count: 326 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Neutrophil elastase	A	218	Homo sapiens	Mutation(s): 0  EC: 3.4.21.37
UniProt & NIH Common Fund Data Resources
Find proteins for P08246 (Homo sapiens) Explore P08246  Go to UniProtKB:  P08246
GTEx:  ENSG00000197561
Glycosylation
Glycosylation Sites: 2		Go to GlyGen: P08246-1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Extracellular Adherence Protein	B [auth C]	108	Staphylococcus aureus subsp. aureus Mu50	Mutation(s): 0  Gene Names: map, SAV1938
UniProt
Find proteins for Q99QS1 (Staphylococcus aureus (strain Mu50 / ATCC 700699)) Explore Q99QS1  Go to UniProtKB:  Q99QS1

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	C [auth B], D	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G21290RB GlyCosmos:  G21290RB GlyGen:  G21290RB

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.212 
• R-Value Work: 0.189 
• R-Value Observed: 0.190 
• Space Group: F 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 94.621	α = 90
b = 127.383	β = 90
c = 148.675	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data scaling
HKL-2000	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-12 
Deposition Author(s): Mishra, N.B., Geisbrecht, B.V.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35GM140852

Revision History  

• Version 1.0: 2024-06-12
  Type: Initial release