4mqi

Structure of Aquomet Hemoglobin Bristol-Alesha alphawtbetaV67M

Method: X-RAY DIFFRACTION Dmax: 59.6 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 2–141 Mutation:V67M Hemoglobin subunit beta × 2 (P68871) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:LIQUID DIFFUSION;pH 6.7;298 K;Protein crystallized from 2.2M Sodium/Potassium Phosphate, pH 6.7, Batch method, temperature 298K, LIQUID DIFFUSION Resolution 1.92 Å R-free 0.239

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 1–140; UniProt 2–141

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 Not recorded Hemoglobin subunit alpha × 2 (P69905) HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:LIQUID DIFFUSION;pH 6.7;298 K;Protein crystallized from 2.2M Sodium/Potassium Phosphate, pH 6.7, Batch method, temperature 298K, LIQUID DIFFUSION Resolution 1.92 Å R-free 0.239

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

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 4mqi

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4mqi
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id4mqi
Deposition date deposition_date2013-09-16
Structure title titleStructure of Aquomet Hemoglobin Bristol-Alesha alphawtbetaV67M
Keywords keywordsoxygen-transport, autooxidation, 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_guinier20.24
Radius of gyration Rg (electron density) rg_electron19.02
Forward intensity I(0) i016718800.00
Molecular weight molecular_weight32086.0 kDa
Excluded volume excluded_volume40600 ų
Envelope volume envelope_volume46402 ų
Hydration-shell volume shell_volume20160 ų
Envelope diameter envelope_diameter58.9
Shell Rg shell_rg25.47
Envelope Rg envelope_rg19.18
Shape Rg shape_rg19.01
Total Rg total_rg19.96
Total atoms total_atoms2267
Residues n_residues286
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 dmax59.6
Rg (real space) rg_real20.13
Rg uncertainty (real space) rg_real_error0.24
I(0) (real space) i0_real1.6720e+07
I(0) uncertainty (real space) i0_real_error1.8460e+05
Rg (reciprocal space) rg_reciprocal20.15
I(0) (reciprocal space) i0_reciprocal16720000.0000
Solution quality estimate total_estimate0.9131
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.6
Skewness Skewness skewness0.125
Kurtosis Kurtosis kurtosis-0.560
Angular range angular_range— – 0.3950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3240000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.969; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.969

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4mqia_
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_idd4mqib_
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 (2 domains)

Domain ID domain_id4mqiA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id4mqiB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins

8. Citations (1)

9. Files and Curves (10)