1R7O | pdb_00001r7o

Crystal Structure of apo-mannanase 26A from Psudomonas cellulosa

• PDB DOI: https://doi.org/10.2210/pdb1R7O/pdb

• Classification: HYDROLASE
• Organism(s): Cellvibrio japonicus
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2003-10-22 Released: 2003-11-11 
• Deposition Author(s): Oakley, A.J., Wilce, M.C.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 
  0.170 (Depositor) 
• R-Value Work: 
  0.145 (Depositor), 0.159 (DCC) 
• R-Value Observed: 
  0.146 (Depositor) 

Starting Model: experimental

Literature

Structural investigation of Mannanase 26A from Pseudomonas cellulosa reveals an induced fit mechanism and a non-substrate ligand binding site

Oakley, A.J., Wilce, M.C.J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 45.14 kDa 
• Atom Count: 3,459 
• Modeled Residue Count: 353 
• Deposited Residue Count: 395 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
mannanase A	A	395	Cellvibrio japonicus	Mutation(s): 0  Gene Names: Man26A EC: 3.2.1.78
UniProt
Find proteins for P49424 (Cellvibrio japonicus (strain Ueda107)) Explore P49424  Go to UniProtKB:  P49424

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MES	G [auth A]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N
SO4	F [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ZN	B [auth A], C [auth A], D [auth A], E [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free:  0.170 (Depositor) 
• R-Value Work:  0.145 (Depositor), 0.159 (DCC) 
• R-Value Observed: 0.146 (Depositor) 

Space Group: P 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 93.24	α = 90
b = 93.24	β = 90
c = 54.83	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-11-11 
Deposition Author(s): Oakley, A.J., Wilce, M.C.J.

Revision History  

• Version 1.0: 2003-11-11
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-10-25
  Changes: Data collection, Database references, Derived calculations, Refinement description