9IRQ | pdb_00009irq

Alginate lyase (Microbulbifer sp. ALW1)

• PDB DOI: https://doi.org/10.2210/pdb9IRQ/pdb

• Classification: HYDROLASE
• Organism(s): Microbulbifer sp. ALW1
• Expression System: Escherichia phage EcSzw-2
• Mutation(s): No 


• Deposited: 2024-07-16 Released: 2025-01-22 
• Deposition Author(s): Zhu, Y.B.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.98 Å
• R-Value Free: 
  0.239 (Depositor), 0.238 (DCC) 
• R-Value Work: 
  0.188 (Depositor), 0.192 (DCC) 

Starting Model: experimental

Literature

Molecular cloning and characterization of AlgL17, a new exo-oligoalginate lyase from Microbulbifer sp. ALW1

Zhu, Y.B.

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)

Macromolecule Content 

• Total Structure Weight: 157.59 kDa 
• Atom Count: 11,464 
• Modeled Residue Count: 1,414 
• Deposited Residue Count: 1,414 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alginate lyase AlgL17	A, B	707	Microbulbifer sp. ALW1	Mutation(s): 0  Gene Names: algl17 EC: 4.2.2.3

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN (Subject of Investigation/LOI)	C [auth A], D [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.98 Å
• R-Value Free:  0.239 (Depositor), 0.238 (DCC) 
• R-Value Work:  0.188 (Depositor), 0.192 (DCC) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.108	α = 90
b = 90.421	β = 110.01
c = 88.287	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-01-22 
Deposition Author(s): Zhu, Y.B.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	No. 22178142

Revision History  

• Version 1.0: 2025-01-22
  Type: Initial release