2XXK

SiaP complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.48 Å
  • R-Value Free: 0.153 
  • R-Value Work: 0.106 
  • R-Value Observed: 0.108 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 


This is version 1.3 of the entry. See complete history


Literature

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
SIALIC ACID-BINDING PERIPLASMIC PROTEIN SIAP312Haemophilus influenzaeMutation(s): 1 
UniProt
Find proteins for P44542 (Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd))
Explore P44542 
Go to UniProtKB:  P44542
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP44542
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
SLB
Query on SLB

Download Ideal Coordinates CCD File 
B [auth A]N-acetyl-beta-neuraminic acid
C11 H19 N O9
SQVRNKJHWKZAKO-PFQGKNLYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.48 Å
  • R-Value Free: 0.153 
  • R-Value Work: 0.106 
  • R-Value Observed: 0.108 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 47.7α = 90
b = 74.74β = 90
c = 87.07γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALEPACKdata scaling
REFMACphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2011-11-23
    Type: Initial release
  • Version 1.1: 2019-03-06
    Changes: Data collection, Experimental preparation, Other
  • Version 1.2: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Data collection, Derived calculations, Other, Structure summary
  • Version 1.3: 2023-12-20
    Changes: Data collection, Database references, Refinement description, Structure summary