3LBA

The Crystal Structure of smu.1229 from Streptococcus mutans UA159 bound to hypoxanthine

• PDB DOI: https://doi.org/10.2210/pdb3LBA/pdb

• Classification: TRANSFERASE
• Organism(s): Streptococcus mutans UA159
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-01-08 Released: 2011-01-12 
• Deposition Author(s): Su, X.-D., Hou, Q.M., Wang, H.F., Liu, X.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.24 Å
• R-Value Free: 0.246 
• R-Value Work: 0.197 
• R-Value Observed: 0.199 

Literature

The Crystal Structure of smu.1229 from Streptococcus mutans UA159 bound to hypoxanthine

Su, X.-D., Hou, Q.M., Wang, H.F., Liu, X.

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: 32.66 kDa 
• Atom Count: 2,021 
• Modelled Residue Count: 260 
• Deposited Residue Count: 303 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative purine nucleoside phosphorylase	A	303	Streptococcus mutans UA159	Mutation(s): 0  Gene Names: smu.1229 EC: 2.4.2.1
UniProt
Find proteins for Q8DTU4 (Streptococcus mutans serotype c (strain ATCC 700610 / UA159)) Explore Q8DTU4  Go to UniProtKB:  Q8DTU4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HPA	B [auth A]	HYPOXANTHINE C5 H4 N4 O FDGQSTZJBFJUBT-UHFFFAOYSA-N
SO4	C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.24 Å
• R-Value Free: 0.246 
• R-Value Work: 0.197 
• R-Value Observed: 0.199 
• Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.5	α = 90
b = 83.5	β = 90
c = 127.76	γ = 120

Software Package:

Software Name	Purpose
ADSC	data collection
MOLREP	phasing
CNS	refinement
MOSFLM	data reduction
SCALA	data scaling
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-01-12 
Deposition Author(s): Su, X.-D., Hou, Q.M., Wang, H.F., Liu, X.

Revision History  

• Version 1.0: 2011-01-12
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-03-20
  Changes: Data collection, Database references, Derived calculations