9hba

Crystal structure of C35 bound to Hem

Method: X-RAY DIFFRACTION Dmax: 77.1 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 GOL GLYCEROL × 6 A1ITR 4-[2-[[5-(1H-indol-3-yl)-1,3,4-oxadiazol-2-yl]sulfanyl]ethanoylamino]benzoic acid × 3 DMS DIMETHYL SULFOXIDE × 8 CMO CARBON MONOXIDE × 4 ACY ACETIC ACID × 2 SO4 SULFATE ION × 16 PGE TRIETHYLENE GLYCOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;3.0 M Ammonium sulfate; 1% (w/v) MPD Resolution 1.51 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 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 Not recorded Hemoglobin subunit alpha × 2 (P69905) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 GOL GLYCEROL × 6 A1ITR 4-[2-[[5-(1H-indol-3-yl)-1,3,4-oxadiazol-2-yl]sulfanyl]ethanoylamino]benzoic acid × 3 DMS DIMETHYL SULFOXIDE × 8 CMO CARBON MONOXIDE × 4 ACY ACETIC ACID × 2 SO4 SULFATE ION × 16 PGE TRIETHYLENE GLYCOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;3.0 M Ammonium sulfate; 1% (w/v) MPD Resolution 1.51 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 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 9hba

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9hba
Deposition date deposition_date2024-11-05
最后修订 last_revision2025-11-19
Structure title titleCrystal structure of C35 bound to Hem
Keywords keywordsInhibitor, drug discovery, METAL BINDING PROTEIN; METAL BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.40
Radius of gyration Rg (electron density) rg_electron23.38
Forward intensity I(0) i0143945000.00
Molecular weight molecular_weight63506.0 kDa
Excluded volume excluded_volume61377 ų
Envelope volume envelope_volume98198 ų
Hydration-shell volume shell_volume33400 ų
Envelope diameter envelope_diameter72.4
Shell Rg shell_rg31.67
Envelope Rg envelope_rg23.34
Shape Rg shape_rg23.35
Total Rg total_rg24.06
Total atoms total_atoms4775
Residues n_residues572
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 dmax77.1
Rg (real space) rg_real24.18
Rg uncertainty (real space) rg_real_error0.28
I(0) (real space) i0_real1.4390e+08
I(0) uncertainty (real space) i0_real_error1.7040e+06
Rg (reciprocal space) rg_reciprocal24.24
I(0) (reciprocal space) i0_reciprocal143900000.0000
Solution quality estimate total_estimate0.8144
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary31.8
Skewness Skewness skewness0.072
Kurtosis Kurtosis kurtosis-0.527
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha33230000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.865; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (11)

8. Citations (1)

9. Files and Curves (10)