3DUT

The high salt (phosphate) crystal structure of deoxy hemoglobin E (GLU26LYS) at physiological pH (pH 7.35)

• PDB DOI: https://doi.org/10.2210/pdb3DUT/pdb

• Classification: OXYGEN BINDING
• Organism(s): Homo sapiens
• Mutation(s): Yes 


• Deposited: 2008-07-17 Released: 2009-08-04 
• Deposition Author(s): Malashkevich, V.N., Balazs, T.C., Almo, S.C., Hirsch, R.E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.277 
• R-Value Work: 0.218 
• R-Value Observed: 0.221 

Literature

The high salt (phosphate) crystal structure of deoxy hemoglobin E (GLU26LYS) at physiological pH (pH 7.35)

Malashkevich, V.N., Balazs, T.C., Almo, S.C., Hirsch, R.E.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Dihedral - D2  (Explore in 3D)
Pseudo Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 64.74 kDa 
• Atom Count: 5,013 
• Modelled Residue Count: 574 
• Deposited Residue Count: 574 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit alpha	A, C	141	Homo sapiens	Mutation(s): 0  Gene Names: HBA1, HBA2
UniProt & NIH Common Fund Data Resources
Find proteins for P69905 (Homo sapiens) Explore P69905  Go to UniProtKB:  P69905
PHAROS:  P69905 GTEx:  ENSG00000188536 ENSG00000206172

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit beta	B, D	146	Homo sapiens	Mutation(s): 1  Gene Names: HBB
UniProt & NIH Common Fund Data Resources
Find proteins for P68871 (Homo sapiens) Explore P68871  Go to UniProtKB:  P68871
PHAROS:  P68871 GTEx:  ENSG00000244734

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	E [auth A], G [auth B], I [auth C], J [auth D]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
PO4	F [auth B], H [auth C]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.277 
• R-Value Work: 0.218 
• R-Value Observed: 0.221 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.256	α = 90
b = 79.632	β = 98.66
c = 62.346	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-08-04 
Deposition Author(s): Malashkevich, V.N., Balazs, T.C., Almo, S.C., Hirsch, R.E.

Revision History  

• Version 1.0: 2009-08-04
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2019-11-27
  Changes: Advisory, Derived calculations
• Version 1.4: 2021-10-20
  Changes: Database references, Derived calculations
• Version 1.5: 2024-02-21
  Changes: Data collection