2hbs

THE HIGH RESOLUTION CRYSTAL STRUCTURE OF DEOXYHEMOGLOBIN S

Method: X-RAY DIFFRACTION Dmax: 117.9 Å Quality: GOOD

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

HEMOGLOBIN S (DEOXY), ALPHA CHAIN

OrganismNot specified

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 C; UniProt 1–141 Not recorded HEMOGLOBIN S (DEOXY), BETA CHAIN × 2 (P68871) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4;HBS WAS SUSPENDED IN 30 MM PHOSPHATE BUFFER, PH 7.0, DEOXYGENATED AND CONCENTRATED TO 120 MG/ML. PROTEIN WAS CRYSTALLIZED IN AN ANAEROBIC CHAMBER IN TUBE CONTAINING 10 UL PROTEIN SOLUTION, 5 UL CITRATE BUFFER (PH 4.0), AND 4UL OF 33% PEG 8K, crystallized in anaerobic chamber Resolution 2.05 Å R-free 0.215
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain E; UniProt 1–141 Chain G; UniProt 1–141 Not recorded HEMOGLOBIN S (DEOXY), BETA CHAIN × 2 (P68871) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4;HBS WAS SUSPENDED IN 30 MM PHOSPHATE BUFFER, PH 7.0, DEOXYGENATED AND CONCENTRATED TO 120 MG/ML. PROTEIN WAS CRYSTALLIZED IN AN ANAEROBIC CHAMBER IN TUBE CONTAINING 10 UL PROTEIN SOLUTION, 5 UL CITRATE BUFFER (PH 4.0), AND 4UL OF 33% PEG 8K, crystallized in anaerobic chamber Resolution 2.05 Å R-free 0.215

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 411 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 C; PDBConstruct 1–141; UniProt 1–141 Author chain E; PDBConstruct 1–141; UniProt 1–141 Author chain G; PDBConstruct 1–141; UniProt 1–141

HEMOGLOBIN S (DEOXY), BETA CHAIN

OrganismNot specified

UniProt P68871

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 B; UniProt 1–146 Chain D; UniProt 1–146 Mutation:E6V VARIANT HEMOGLOBIN S (DEOXY), ALPHA CHAIN × 2 (P69905) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4;HBS WAS SUSPENDED IN 30 MM PHOSPHATE BUFFER, PH 7.0, DEOXYGENATED AND CONCENTRATED TO 120 MG/ML. PROTEIN WAS CRYSTALLIZED IN AN ANAEROBIC CHAMBER IN TUBE CONTAINING 10 UL PROTEIN SOLUTION, 5 UL CITRATE BUFFER (PH 4.0), AND 4UL OF 33% PEG 8K, crystallized in anaerobic chamber Resolution 2.05 Å R-free 0.215
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain F; UniProt 1–146 Chain H; UniProt 1–146 Mutation:E6V VARIANT HEMOGLOBIN S (DEOXY), ALPHA CHAIN × 2 (P69905) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4;HBS WAS SUSPENDED IN 30 MM PHOSPHATE BUFFER, PH 7.0, DEOXYGENATED AND CONCENTRATED TO 120 MG/ML. PROTEIN WAS CRYSTALLIZED IN AN ANAEROBIC CHAMBER IN TUBE CONTAINING 10 UL PROTEIN SOLUTION, 5 UL CITRATE BUFFER (PH 4.0), AND 4UL OF 33% PEG 8K, crystallized in anaerobic chamber Resolution 2.05 Å R-free 0.215

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.

343 other PDB entries and 398 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HBB_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–146; UniProt 1–146 Author chain D; PDBConstruct 1–146; UniProt 1–146 Author chain F; PDBConstruct 1–146; UniProt 1–146 Author chain H; PDBConstruct 1–146; UniProt 1–146

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 2hbs

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2hbs
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2hbs
Deposition date deposition_date1997-05-06
Structure title titleTHE HIGH RESOLUTION CRYSTAL STRUCTURE OF DEOXYHEMOGLOBIN S
Keywords keywordsOXYGEN TRANSPORT, HEMOGLOBIN; OXYGEN TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.09
Radius of gyration Rg (electron density) rg_electron36.68
Forward intensity I(0) i0233293000.00
Molecular weight molecular_weight128790.0 kDa
Excluded volume excluded_volume163110 ų
Envelope volume envelope_volume205010 ų
Hydration-shell volume shell_volume47332 ų
Envelope diameter envelope_diameter121.8
Shell Rg shell_rg42.29
Envelope Rg envelope_rg36.00
Shape Rg shape_rg36.66
Total Rg total_rg37.11
Total atoms total_atoms9104
Residues n_residues1148
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 dmax117.9
Rg (real space) rg_real37.21
Rg uncertainty (real space) rg_real_error0.76
I(0) (real space) i0_real2.3330e+08
I(0) uncertainty (real space) i0_real_error3.6190e+06
Rg (reciprocal space) rg_reciprocal37.14
I(0) (reciprocal space) i0_reciprocal233300000.0000
Solution quality estimate total_estimate0.8520
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary38.4
Skewness Skewness skewness0.388
Kurtosis Kurtosis kurtosis-0.573
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha48250000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.868; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.959; Smooth: 0.509

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd2hbsa_
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_idd2hbsb_
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_idd2hbsc_
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_idd2hbsd_
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_idd2hbse_
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_idd2hbsf_
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_idd2hbsg_
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_idd2hbsh_
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 (8 domains)

Domain ID domain_id2hbsA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2hbsB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2hbsC00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2hbsD00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2hbsE00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2hbsF00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2hbsG00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2hbsH00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins

8. Citations (7)

9. Files and Curves (10)