7XR8

Structure of the S8 family protease A4095

• PDB DOI: https://doi.org/10.2210/pdb7XR8/pdb

• Classification: HYDROLASE
• Organism(s): Thermaerobacillus caldiproteolyticus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2022-05-09 Released: 2023-05-17 
• Deposition Author(s): Cheng, J.H., Cao, H.Y., Wang, P.
• Funding Organization(s): National Science Foundation (NSF, China)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free: 
  0.221 (Depositor), 0.220 (DCC) 
• R-Value Work: 
  0.178 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.180 (Depositor) 

Starting Model: experimental

Literature

Structure of the S8 family protease A4095

Cheng, J.H., Cao, H.Y., Wang, P.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 142.16 kDa 
• Atom Count: 9,319 
• Modelled Residue Count: 1,151 
• Deposited Residue Count: 1,312 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Major intracellular serine protease	A, B, C, D	328	Thermaerobacillus caldiproteolyticus	Mutation(s): 0  Gene Names: HNR31_003402 EC: 3.4.21
UniProt
Find proteins for A0A7V9Z9R1 (Anoxybacillus caldiproteolyticus) Explore A0A7V9Z9R1  Go to UniProtKB:  A0A7V9Z9R1

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free:  0.221 (Depositor), 0.220 (DCC) 
• R-Value Work:  0.178 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.180 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 79.617	α = 90
b = 76.657	β = 96.82
c = 84.314	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-05-17 
Deposition Author(s): Cheng, J.H., Cao, H.Y., Wang, P.

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Funding Organization	Location	Grant Number
National Science Foundation (NSF, China)	China	--

Revision History  

• Version 1.0: 2023-05-17
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description