3PI8

Site-specific Glycosylation of Hemoglobin Utilizing Oxime Ligation Chemistry as a Viable Alternative to PEGylation

• PDB DOI: https://doi.org/10.2210/pdb3PI8/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Bos taurus
• Mutation(s): No 


• Deposited: 2010-11-05 Released: 2010-11-24 
• Deposition Author(s): Bhatt, V.S., Styslinger, T.J., Zhang, N., Wang, P.G., Palmer, A.F.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.281 
• R-Value Work: 0.226 
• R-Value Observed: 0.229 

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: 64.69 kDa 
• Atom Count: 4,782 
• Modelled Residue Count: 572 
• Deposited Residue Count: 572 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit alpha	A, C	141	Bos taurus	Mutation(s): 0
UniProt
Find proteins for P01966 (Bos taurus) Explore P01966  Go to UniProtKB:  P01966

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit beta	B, D	145	Bos taurus	Mutation(s): 0
UniProt
Find proteins for P02070 (Bos taurus) Explore P02070  Go to UniProtKB:  P02070

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	E [auth A], G [auth B], I [auth C], K [auth D]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
CMO	F [auth A], H [auth B], J [auth C], L [auth D]	CARBON MONOXIDE C O UGFAIRIUMAVXCW-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.281 
• R-Value Work: 0.226 
• R-Value Observed: 0.229 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.977	α = 90
b = 72.995	β = 90
c = 128.483	γ = 90

Software Package:

Software Name	Purpose
CrystalClear	data collection
AMoRE	phasing
REFMAC	refinement
CrystalClear	data reduction
CrystalClear	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-11-24 
Deposition Author(s): Bhatt, V.S., Styslinger, T.J., Zhang, N., Wang, P.G., Palmer, A.F.

Revision History  

• Version 1.0: 2010-11-24
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description