2ANT

THE 2.6 A STRUCTURE OF ANTITHROMBIN INDICATES A CONFORMATIONAL CHANGE AT THE HEPARIN BINDING SITE

• PDB DOI: https://doi.org/10.2210/pdb2ANT/pdb

• Classification: SERPIN
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 1997-01-28 Released: 1997-06-16 
• Deposition Author(s): Skinner, R., Abrahams, J.-P., Whisstock, J.C., Lesk, A.M., Carrell, R.W., Wardell, M.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.290 
• R-Value Work: 0.217 

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: 98.64 kDa 
• Atom Count: 6,636 
• Modelled Residue Count: 817 
• Deposited Residue Count: 864 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ANTITHROMBIN	A [auth L], B [auth I]	432	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P01008 (Homo sapiens) Explore P01008  Go to UniProtKB:  P01008
PHAROS:  P01008 GTEx:  ENSG00000117601

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAA	C [auth L], D [auth I]	2-acetamido-2-deoxy-beta-D-allopyranose C8 H15 N O6 OVRNDRQMDRJTHS-UIAUGNHASA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.290 
• R-Value Work: 0.217 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.41	α = 90
b = 98.31	β = 103.32
c = 90.41	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing
TNT	refinement
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 1997-06-16 
Deposition Author(s): Skinner, R., Abrahams, J.-P., Whisstock, J.C., Lesk, A.M., Carrell, R.W., Wardell, M.R.

Revision History  

• Version 1.0: 1997-06-16
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Data collection, Derived calculations, Structure summary
• Version 1.4: 2023-08-09
  Changes: Advisory, Database references, Refinement description, Structure summary