8XBD

GH18 family chitinase from cold seep metagenome

• PDB DOI: https://doi.org/10.2210/pdb8XBD/pdb

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


• Deposited: 2023-12-06 Released: 2023-12-27 
• Deposition Author(s): Yang, J.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.256 
• R-Value Work: 0.200 
• R-Value Observed: 0.202 

Literature

GH18 family chitinase from cold seep metagenome

Yang, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 89.64 kDa 
• Atom Count: 6,366 
• Modelled Residue Count: 776 
• Deposited Residue Count: 810 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GH18 chitinase-like superfamily protein	A [auth B], B [auth A]	405	uncultured bacterium	Mutation(s): 0
UniProt
Find proteins for J6I1C8 (Klebsiella sp. OBRC7) Explore J6I1C8  Go to UniProtKB:  J6I1C8

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.256 
• R-Value Work: 0.200 
• R-Value Observed: 0.202 
• Space Group: I 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.278	α = 90
b = 114.286	β = 93.2
c = 110.478	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
CrysalisPro	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-12-27 
Deposition Author(s): Yang, J.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2023-12-27
  Type: Initial release