9ayz

T-state HbG Makassar hemoglobin

Method: X-RAY DIFFRACTION Dmax: 109.9 Å Quality: GOOD

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) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.5;298 K;0.055 M Citric acid, 0.045 M Bis-Tris propane, pH 4.5, 22% PEG 3,350 under low oxygen conditions on an MBraun anaerobic glove box Resolution 2.24 Å R-free 0.259
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain E; UniProt 2–142 Chain G; UniProt 2–142 Not recorded Hemoglobin subunit beta × 2 (P68871) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.5;298 K;0.055 M Citric acid, 0.045 M Bis-Tris propane, pH 4.5, 22% PEG 3,350 under low oxygen conditions on an MBraun anaerobic glove box Resolution 2.24 Å R-free 0.259

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 2–142 Author chain C; PDBConstruct 1–141; UniProt 2–142 Author chain E; PDBConstruct 1–141; UniProt 2–142 Author chain G; 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) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.5;298 K;0.055 M Citric acid, 0.045 M Bis-Tris propane, pH 4.5, 22% PEG 3,350 under low oxygen conditions on an MBraun anaerobic glove box Resolution 2.24 Å R-free 0.259
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain F; UniProt 2–147 Chain H; UniProt 2–147 Mutation:E6A Hemoglobin subunit alpha × 2 (P69905) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.5;298 K;0.055 M Citric acid, 0.045 M Bis-Tris propane, pH 4.5, 22% PEG 3,350 under low oxygen conditions on an MBraun anaerobic glove box Resolution 2.24 Å R-free 0.259

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 2–147 Author chain D; PDBConstruct 1–146; UniProt 2–147 Author chain F; PDBConstruct 1–146; UniProt 2–147 Author chain H; 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 9ayz

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9ayz
Deposition date deposition_date2024-03-09
Structure title titleT-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_guinier35.17
Radius of gyration Rg (electron density) rg_electron34.61
Forward intensity I(0) i0220052000.00
Molecular weight molecular_weight122720.0 kDa
Excluded volume excluded_volume154660 ų
Envelope volume envelope_volume197640 ų
Hydration-shell volume shell_volume47317 ų
Envelope diameter envelope_diameter111.4
Shell Rg shell_rg41.35
Envelope Rg envelope_rg33.98
Shape Rg shape_rg34.60
Total Rg total_rg35.13
Total atoms total_atoms8684
Residues n_residues1141
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 dmax109.9
Rg (real space) rg_real35.16
Rg uncertainty (real space) rg_real_error0.76
I(0) (real space) i0_real2.2010e+08
I(0) uncertainty (real space) i0_real_error3.1210e+06
Rg (reciprocal space) rg_reciprocal35.17
I(0) (reciprocal space) i0_reciprocal220100000.0000
Solution quality estimate total_estimate0.8812
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary39.1
Skewness Skewness skewness0.306
Kurtosis Kurtosis kurtosis-0.565
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha41120000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.932; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.656

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)