1FDH | pdb_00001fdh

STRUCTURE OF HUMAN FOETAL DEOXYHAEMOGLOBIN

• PDB DOI: https://doi.org/10.2210/pdb1FDH/pdb

• Classification: OXYGEN TRANSPORT
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 1976-08-18 Released: 1976-08-19 
• Deposition Author(s): Frierjunior, J.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å

Literature

Structure of human foetal deoxyhaemoglobin.

Frier, J.A., Perutz, M.F.

(1977) J Mol Biology 112: 97-112

• PubMed: 881729 
• DOI: https://doi.org/10.1016/s0022-2836(77)80158-7
• Primary Citation Related Structures: 
  1FDH

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.

Macromolecule Content 

• Total Structure Weight: 64.85 kDa 
• Atom Count: 4,576 
• Modeled Residue Count: 576 
• Deposited Residue Count: 576 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HEMOGLOBIN F (DEOXY) (ALPHA CHAIN)	A, C [auth B]	141	Homo sapiens	Mutation(s): 0
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 F (DEOXY) (GAMMA CHAIN)	B [auth G], D [auth H]	147	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P69892 (Homo sapiens) Explore P69892  Go to UniProtKB:  P69892
PHAROS:  P69892 GTEx:  ENSG00000196565

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	E [auth A], F [auth G], G [auth B], H	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.8	α = 90
b = 95.1	β = 90
c = 102.1	γ = 90

Structure Validation

Entry History 

Deposition Data

• Released Date: 1976-08-19 
Deposition Author(s): Frierjunior, J.A.

Revision History  

• Version 1.0: 1976-08-19
  Type: Initial release
  
• Version 1.1: 2008-03-03
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 2.0: 2023-09-27
  Type: Remediation
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Other, Refinement description
• Version 2.1: 2024-10-23
  Changes: Structure summary