1fdh

STRUCTURE OF HUMAN FOETAL DEOXYHAEMOGLOBIN

Method: X-RAY DIFFRACTION Dmax: 70.4 Å Quality: EXCELLENT

1. Protein Identity and Related Structures Protein Identity & Related Structures

HEMOGLOBIN F (DEOXY) (ALPHA CHAIN)

Homo sapiens

UniProt P69905

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–141 Chain B; UniProt 1–141 Not recorded HEMOGLOBIN F (DEOXY) (GAMMA CHAIN) × 2 (P69891) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

348 other PDB entries and 412 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HBA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–141; UniProt 1–141 Author chain B; PDBConstruct 1–141; UniProt 1–141

HEMOGLOBIN F (DEOXY) (GAMMA CHAIN)

Homo sapiens

UniProt P69891

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain G; UniProt 7–152 Chain H; UniProt 7–152 Non-standard monomer:Yes (specific site not provided by mmCIF) HEMOGLOBIN F (DEOXY) (ALPHA CHAIN) × 2 (P69905) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HBG1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain G; PDBConstruct 2–147; UniProt 7–152 Author chain H; PDBConstruct 2–147; UniProt 7–152

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 1fdh

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1fdh
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1fdh
Deposition date deposition_date1976-08-18
Structure title titleSTRUCTURE OF HUMAN FOETAL DEOXYHAEMOGLOBIN
Keywords keywordsOXYGEN TRANSPORT; OXYGEN TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier24.94
Radius of gyration Rg (electron density) rg_electron23.62
Forward intensity I(0) i064371000.00
Molecular weight molecular_weight64797.0 kDa
Excluded volume excluded_volume81890 ų
Envelope volume envelope_volume97960 ų
Hydration-shell volume shell_volume33141 ų
Envelope diameter envelope_diameter72.1
Shell Rg shell_rg31.70
Envelope Rg envelope_rg23.37
Shape Rg shape_rg23.60
Total Rg total_rg24.55
Total atoms total_atoms4576
Residues n_residues574
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax70.4
Rg (real space) rg_real24.68
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real6.4370e+07
I(0) uncertainty (real space) i0_real_error7.8870e+05
Rg (reciprocal space) rg_reciprocal24.74
I(0) (reciprocal space) i0_reciprocal64370000.0000
Solution quality estimate total_estimate0.9141
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.5
Skewness Skewness skewness-0.003
Kurtosis Kurtosis kurtosis-0.574
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha14780000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.972; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1fdha_
Class classa — All alpha proteins
Fold Fold folda.1 — Globin-like
Superfamily Superfamily superfamilya.1.1 — Globin-like
Family Family familya.1.1.2 — Globins
Domain ID domain_idd1fdhb_
Class classa — All alpha proteins
Fold Fold folda.1 — Globin-like
Superfamily Superfamily superfamilya.1.1 — Globin-like
Family Family familya.1.1.2 — Globins
Domain ID domain_idd1fdhg_
Class classa — All alpha proteins
Fold Fold folda.1 — Globin-like
Superfamily Superfamily superfamilya.1.1 — Globin-like
Family Family familya.1.1.2 — Globins
Domain ID domain_idd1fdhh_
Class classa — All alpha proteins
Fold Fold folda.1 — Globin-like
Superfamily Superfamily superfamilya.1.1 — Globin-like
Family Family familya.1.1.2 — Globins

CATH v4.4 (4 domains)

Domain ID domain_id1fdhA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id1fdhB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id1fdhG00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id1fdhH00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins

8. Citations (3)

9. Files and Curves (10)