2gnw

Crystal structure of non-symbiotic plant hemoglobin from rice, B10 mutant F40W

Method: X-RAY DIFFRACTION Dmax: 71.1 Å Quality: EXCELLENT

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

Non-symbiotic hemoglobin 1

Oryza sativa

UniProt O04986

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 2–166 Chain B; UniProt 2–166 Mutation:F40W HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;1.9M Ammonium Phosphate, 10mM Potassium Phosphate, 20% Sucrose, 3% Dioxane, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.40 Å R-free 0.204

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.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HBL1_ORYSA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–165; UniProt 2–166 Author chain B; PDBConstruct 1–165; UniProt 2–166

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 2gnw

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2gnw
Deposition date deposition_date2006-04-11
Structure title titleCrystal structure of non-symbiotic plant hemoglobin from rice, B10 mutant F40W
Keywords keywords2 ON 2 HELICAL FOLD, GLOBIN, HEME, IRON, HEMOGLOBIN, HEXACOORDINATE, NONSYMBIOTIC, RICE, OXYGEN STORAGE-TRANSPORT COMPLEX; OXYGEN STORAGE/TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.68
Radius of gyration Rg (electron density) rg_electron21.45
Forward intensity I(0) i022954600.00
Molecular weight molecular_weight37938.0 kDa
Excluded volume excluded_volume48137 ų
Envelope volume envelope_volume59095 ų
Hydration-shell volume shell_volume22910 ų
Envelope diameter envelope_diameter72.3
Shell Rg shell_rg28.10
Envelope Rg envelope_rg21.58
Shape Rg shape_rg21.39
Total Rg total_rg22.54
Total atoms total_atoms2668
Residues n_residues330
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 dmax71.1
Rg (real space) rg_real22.58
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real2.2950e+07
I(0) uncertainty (real space) i0_real_error2.7580e+05
Rg (reciprocal space) rg_reciprocal22.61
I(0) (reciprocal space) i0_reciprocal22950000.0000
Solution quality estimate total_estimate0.9083
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.1
Skewness Skewness skewness0.179
Kurtosis Kurtosis kurtosis-0.471
Angular range angular_range— – 0.3500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4175000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.936; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.996

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2gnwa_
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_idd2gnwb_
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_id2gnwA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id2gnwB00
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)