1aby

CYANOMET RHB1.1 (RECOMBINANT HEMOGLOBIN)

Method: X-RAY DIFFRACTION Dmax: 72.4 Å Quality: REASONABLE

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

HEMOGLOBIN

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–141 Mutation:CHAIN A, V1M, CHAIN B, D, V1M, N108K HEMOGLOBIN × 2 (P68871) CYN CYANIDE ION × 4 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5;pH 5.0 Resolution 2.60 Å R-free 0.278

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 143–283; UniProt 1–141

HEMOGLOBIN

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 2–146 Chain D; UniProt 2–146 Mutation:CHAIN A, V1M, CHAIN B, D, V1M, N108K HEMOGLOBIN × 1 (P69905) CYN CYANIDE ION × 4 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5;pH 5.0 Resolution 2.60 Å R-free 0.278

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 2–146; UniProt 2–146 Author chain D; PDBConstruct 2–146; UniProt 2–146

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 1aby

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1aby
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1aby
Deposition date deposition_date1997-01-29
Structure title titleCYANOMET RHB1.1 (RECOMBINANT HEMOGLOBIN)
Keywords keywordsHEME, OXYGEN TRANSPORT, RESPIRATORY PROTEIN, ERYTHROCYTE; OXYGEN TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.18
Radius of gyration Rg (electron density) rg_electron23.94
Forward intensity I(0) i064320700.00
Molecular weight molecular_weight64725.0 kDa
Excluded volume excluded_volume81850 ų
Envelope volume envelope_volume97777 ų
Hydration-shell volume shell_volume32957 ų
Envelope diameter envelope_diameter73.4
Shell Rg shell_rg31.92
Envelope Rg envelope_rg23.58
Shape Rg shape_rg23.93
Total Rg total_rg24.86
Total atoms total_atoms4572
Residues n_residues575
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 dmax72.4
Rg (real space) rg_real25.00
Rg uncertainty (real space) rg_real_error0.21
I(0) (real space) i0_real6.4320e+07
I(0) uncertainty (real space) i0_real_error7.9910e+05
Rg (reciprocal space) rg_reciprocal25.06
I(0) (reciprocal space) i0_reciprocal64320000.0000
Solution quality estimate total_estimate0.7386
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.3
Skewness Skewness skewness0.043
Kurtosis Kurtosis kurtosis-0.551
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha12300000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.970; Stabil: 1.000; Sysdev: 0.242; Positv: 1.000; Valcen: 0.973; Smooth: 0.987

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1abya1
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_idd1abya2
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_idd1abyb_
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_idd1abyd_
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 (4 domains)

Domain ID domain_id1abyA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id1abyA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id1abyB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
Domain ID domain_id1abyD00
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)