9VKI | pdb_00009vki

Oligosaccharide sulfotransferase

• PDB DOI: https://doi.org/10.2210/pdb9VKI/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Saccharothrix tamanrassetensis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2025-06-23 Released: 2026-06-03 
• Deposition Author(s): Cao, Y., Cao, Y.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 
  0.272 (Depositor), 0.266 (DCC) 
• R-Value Work: 
  0.215 (Depositor), 0.216 (DCC) 
• R-Value Observed: 
  0.218 (Depositor) 

Starting Model: in silico

Literature

Sulfation in the Biosynthesis of the Heptadecaglycoside Antibiotic Saccharomicin A

Cao, Y., Guo, S., Piao, Y., Zhang, W., Sun, P., Cui, L., Deng, Z., Zhang, Q., Ding, W.

(2026) JACS Au 

• DOI: https://doi.org/10.1021/jacsau.6c00414

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: 59.66 kDa 
• Atom Count: 3,243 
• Modeled Residue Count: 406 
• Deposited Residue Count: 528 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
LPS sulfotransferase NodH	A, B	264	Saccharothrix tamanrassetensis	Mutation(s): 0  Gene Names: FHS29_005138
UniProt
Find proteins for A0A841CN28 (Saccharothrix tamanrassetensis) Explore A0A841CN28  Go to UniProtKB:  A0A841CN28

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free:  0.272 (Depositor), 0.266 (DCC) 
• R-Value Work:  0.215 (Depositor), 0.216 (DCC) 
• R-Value Observed: 0.218 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.057	α = 90
b = 66.899	β = 90
c = 102.284	γ = 90

Software Package:

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

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-06-03 
Deposition Author(s): Cao, Y., Cao, Y.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32270070

Revision History  

• Version 1.0: 2026-06-03
  Type: Initial release
  
• Version 1.1: 2026-06-17
  Changes: Database references