2I0U

Crystal structures of phospholipases A2 from Vipera nikolskii venom revealing Triton X-100 bound in hydrophobic channel


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.236 
  • R-Value Work: 0.209 
  • R-Value Observed: 0.209 

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Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history


Literature

Crystal structures of phospholipases A2 from Vipera nikolskii venom revealing Triton X-100 bound in hydrophobic channel

Gao, W.Bi, R.C.

To be published.

Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Basic subunit of heterodimer phospholipase A2A [auth E],
B [auth A]
122Vipera nikolskiiMutation(s): 0 
EC: 3.1.1.4
Membrane Entity: Yes 
UniProt
Find proteins for Q1RP79 (Vipera nikolskii)
Explore Q1RP79 
Go to UniProtKB:  Q1RP79
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ1RP79
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
TRT
Query on TRT

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F [auth E],
H [auth A]
FRAGMENT OF TRITON X-100
C21 H36 O4
HEUDUECKTWTQQR-UHFFFAOYSA-N
TFA
Query on TFA

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I [auth A]trifluoroacetic acid
C2 H F3 O2
DTQVDTLACAAQTR-UHFFFAOYSA-N
SO4
Query on SO4

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E,
G [auth A]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
CA
Query on CA

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C [auth E],
D [auth E]
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.236 
  • R-Value Work: 0.209 
  • R-Value Observed: 0.209 
  • Space Group: H 3 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 76.284α = 90
b = 76.284β = 90
c = 304.395γ = 120
Software Package:
Software NamePurpose
HKL-2000data collection
AMoREphasing
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2007-09-11
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Derived calculations, Version format compliance
  • Version 1.2: 2024-10-30
    Changes: Data collection, Database references, Derived calculations, Structure summary