1MZ5

Trypanosoma rangeli sialidase

• PDB DOI: https://doi.org/10.2210/pdb1MZ5/pdb

• Classification: HYDROLASE
• Organism(s): Trypanosoma rangeli
• Mutation(s): No 


• Deposited: 2002-10-05 Released: 2002-10-16 
• Deposition Author(s): Buschiazzo, A., Tavares, G.A., Campetella, O., Spinelli, S., Cremona, M.L., Paris, G., Amaya, M.F., Frasch, A.C.C., Alzari, P.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.237 
• R-Value Work: 0.180 
• R-Value Observed: 0.183 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 70.81 kDa 
• Atom Count: 5,203 
• Modelled Residue Count: 622 
• Deposited Residue Count: 638 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
sialidase	A	638	Trypanosoma rangeli	Mutation(s): 0  EC: 3.2.1.18
UniProt
Find proteins for O44049 (Trypanosoma rangeli) Explore O44049  Go to UniProtKB:  O44049

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.237 
• R-Value Work: 0.180 
• R-Value Observed: 0.183 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.15	α = 90
b = 93.41	β = 90
c = 105.48	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement
MLPHARE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-10-16 
Deposition Author(s): Buschiazzo, A., Tavares, G.A., Campetella, O., Spinelli, S., Cremona, M.L., Paris, G., Amaya, M.F., Frasch, A.C.C., Alzari, P.M.

Revision History  

• Version 1.0: 2002-10-16
  Type: Initial release
  
• Version 1.1: 2008-04-28
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary