1ABW

DEOXY RHB1.1 (RECOMBINANT HEMOGLOBIN)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.232 
  • R-Value Work: 0.164 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structures of a hemoglobin-based blood substitute: insights into the function of allosteric proteins.

Kroeger, K.S.Kundrot, C.E.

(1997) Structure 5: 227-237

  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • . Potential blood substitutes can be based on hemoglobin. Two problems must be overcome with acellular hemoglobin-based blood substitutes, however: the oxygen affinity of purified human hemoglobin is too high for it to deliver oxygen to tissues, and ...

    . Potential blood substitutes can be based on hemoglobin. Two problems must be overcome with acellular hemoglobin-based blood substitutes, however: the oxygen affinity of purified human hemoglobin is too high for it to deliver oxygen to tissues, and hemoglobin tetramers dissociate into alphabeta dimers that can cause kidney damage. A modified form of hemoglobin, rHb 1.1, has reduced oxygen affinity as the result of an Asnbeta 108-->Lys mutation, and dimerization is prevented by the insertion of a glycine residue between the sequences of the normal alpha chains to produce one covalently continuous di-alpha-chain. Determination of the structure of rHb 1.1 would provide structure-based explanations for the altered properties of rHb 1.1.


    Related Citations: 
    • A Human Recombinant Haemoglobin Designed for Use as a Blood Substitute
      Looker, D.,Abbott-Brown, D.,Cozart, P.,Durfee, S.,Hoffman, S.,Mathews, A.J.,Miller-Roehrich, J.,Shoemaker, S.,Trimble, S.,Fermi, G.,Komiyama, N.H.,Nagai, K.,Stetler, G.L.
      (1992) Nature 356: 258


    Organizational Affiliation

    Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309-0215, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
HEMOGLOBIN-BASED BLOOD SUBSTITUTE
A
283Homo sapiensMutation(s): 0 
Gene Names: HBA1, HBA2
Find proteins for P69905 (Homo sapiens)
Go to Gene View: HBA1 HBA2
Go to UniProtKB:  P69905
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
HEMOGLOBIN-BASED BLOOD SUBSTITUTE
B, D
146Homo sapiensMutation(s): 0 
Gene Names: HBB
Find proteins for P68871 (Homo sapiens)
Go to Gene View: HBB
Go to UniProtKB:  P68871
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
LEU
Query on LEU

Download SDF File 
Download CCD File 
A
LEUCINE
C6 H13 N O2
ROHFNLRQFUQHCH-YFKPBYRVSA-N
 Ligand Interaction
HEM
Query on HEM

Download SDF File 
Download CCD File 
A, B, D
PROTOPORPHYRIN IX CONTAINING FE
HEME
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
 Ligand Interaction
MET
Query on MET

Download SDF File 
Download CCD File 
A
METHIONINE
C5 H11 N O2 S
FFEARJCKVFRZRR-BYPYZUCNSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.232 
  • R-Value Work: 0.164 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 62.900α = 90.00
b = 81.980β = 98.99
c = 53.920γ = 90.00
Software Package:
Software NamePurpose
X-PLORmodel building
XSCALEdata scaling
X-PLORrefinement
XDSdata reduction
X-PLORphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1998-06-17
    Type: Initial release
  • Version 1.1: 2008-03-10
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Derived calculations, Version format compliance