9av9

R2-state HbG-Makassar hemoglobin

Method: X-RAY DIFFRACTION Dmax: 70.3 Å Quality: EXCELLENT

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

Hemoglobin subunit alpha

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 2–142 Chain C; UniProt 2–142 Not recorded Hemoglobin subunit beta × 2 (P68871) GOL GLYCEROL × 5 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 8;298 K;0.1 M TRIS pH 8.0; 26-36% (v/v) PEG 6,000 Resolution 1.94 Å R-free 0.222

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 2–142 Author chain C; PDBConstruct 1–141; UniProt 2–142

Hemoglobin subunit beta

Homo sapiens

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 2–147 Chain D; UniProt 2–147 Mutation:E6A Hemoglobin subunit alpha × 2 (P69905) GOL GLYCEROL × 5 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 8;298 K;0.1 M TRIS pH 8.0; 26-36% (v/v) PEG 6,000 Resolution 1.94 Å R-free 0.222

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 399 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 2–147 Author chain D; PDBConstruct 1–146; UniProt 2–147

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 9av9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9av9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9av9
Deposition date deposition_date2024-03-01
Structure title titleR2-state HbG-Makassar hemoglobin
Keywords keywordshemoglobin, Makassar, sickle, E6A, OXYGEN TRANSPORT; OXYGEN TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.44
Radius of gyration Rg (electron density) rg_electron23.14
Forward intensity I(0) i059527600.00
Molecular weight molecular_weight62111.0 kDa
Excluded volume excluded_volume78347 ų
Envelope volume envelope_volume91349 ų
Hydration-shell volume shell_volume31693 ų
Envelope diameter envelope_diameter71.2
Shell Rg shell_rg31.08
Envelope Rg envelope_rg22.94
Shape Rg shape_rg23.16
Total Rg total_rg23.97
Total atoms total_atoms4391
Residues n_residues570
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 dmax70.3
Rg (real space) rg_real24.21
Rg uncertainty (real space) rg_real_error0.25
I(0) (real space) i0_real5.9530e+07
I(0) uncertainty (real space) i0_real_error7.8490e+05
Rg (reciprocal space) rg_reciprocal24.27
I(0) (reciprocal space) i0_reciprocal59530000.0000
Solution quality estimate total_estimate0.9128
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.4
Skewness Skewness skewness0.044
Kurtosis Kurtosis kurtosis-0.552
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha17050000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.967; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.972; Smooth: 0.988

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)