7FF4

The crystal structure of Clostridium cellulolyticum LacI family transcriptional regulator Ccel_1438

• PDB DOI: https://doi.org/10.2210/pdb7FF4/pdb

• Classification: TRANSCRIPTION
• Organism(s): Ruminiclostridium cellulolyticum H10
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-07-22 Released: 2022-07-27 
• Deposition Author(s): Zhang, N., Ge, H.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.19 Å
• R-Value Free: 0.208 
• R-Value Work: 0.178 
• R-Value Observed: 0.179 

Starting Model: experimental

Literature

The crystal structure of Clostridium cellulolyticum LacI family transcriptional regulator Ccel_1438

Zhang, N., Ge, H.

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: 154.32 kDa 
• Atom Count: 9,043 
• Modelled Residue Count: 1,117 
• Deposited Residue Count: 1,372 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional regulator, LacI family	A, B, C, D	343	Ruminiclostridium cellulolyticum H10	Mutation(s): 0  Gene Names: Ccel_1438
UniProt
Find proteins for B8I1W6 (Ruminiclostridium cellulolyticum (strain ATCC 35319 / DSM 5812 / JCM 6584 / H10)) Explore B8I1W6  Go to UniProtKB:  B8I1W6

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.19 Å
• R-Value Free: 0.208 
• R-Value Work: 0.178 
• R-Value Observed: 0.179 
• Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 194.518	α = 90
b = 194.518	β = 90
c = 118.64	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
SCALEPACK	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-07-27 
Deposition Author(s): Zhang, N., Ge, H.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31970103

Revision History  

• Version 1.0: 2022-07-27
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description