1rh2

RECOMBINANT HUMAN INTERFERON-ALPHA 2B

Method: X-RAY DIFFRACTION Dmax: 126.7 Å Quality: GOOD

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

INTERFERON-ALPHA 2B

Homo sapiens

UniProt P01563

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 24–188 Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:macroseeding;pH 5.6;PROTEIN WAS CRYSTALLIZED FROM 40MM ZINC ACETATE, 30MM CACODYLATE, PH 5.6; MACRO SEEDING WAS PERFORMED TO GET REASONABLE SIZE CRYSTALS., macroseeding Resolution 2.90 Å R-free 0.311
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 24–188 Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:macroseeding;pH 5.6;PROTEIN WAS CRYSTALLIZED FROM 40MM ZINC ACETATE, 30MM CACODYLATE, PH 5.6; MACRO SEEDING WAS PERFORMED TO GET REASONABLE SIZE CRYSTALS., macroseeding Resolution 2.90 Å R-free 0.311
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 24–188 Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:macroseeding;pH 5.6;PROTEIN WAS CRYSTALLIZED FROM 40MM ZINC ACETATE, 30MM CACODYLATE, PH 5.6; MACRO SEEDING WAS PERFORMED TO GET REASONABLE SIZE CRYSTALS., macroseeding Resolution 2.90 Å R-free 0.311
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 24–188 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:macroseeding;pH 5.6;PROTEIN WAS CRYSTALLIZED FROM 40MM ZINC ACETATE, 30MM CACODYLATE, PH 5.6; MACRO SEEDING WAS PERFORMED TO GET REASONABLE SIZE CRYSTALS., macroseeding Resolution 2.90 Å R-free 0.311
5 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain E; UniProt 24–188 Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:macroseeding;pH 5.6;PROTEIN WAS CRYSTALLIZED FROM 40MM ZINC ACETATE, 30MM CACODYLATE, PH 5.6; MACRO SEEDING WAS PERFORMED TO GET REASONABLE SIZE CRYSTALS., macroseeding Resolution 2.90 Å R-free 0.311
6 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain F; UniProt 24–188 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:macroseeding;pH 5.6;PROTEIN WAS CRYSTALLIZED FROM 40MM ZINC ACETATE, 30MM CACODYLATE, PH 5.6; MACRO SEEDING WAS PERFORMED TO GET REASONABLE SIZE CRYSTALS., macroseeding Resolution 2.90 Å R-free 0.311

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.

11 other PDB entries and 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IFNA2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–165; UniProt 24–188 Author chain B; PDBConstruct 1–165; UniProt 24–188 Author chain C; PDBConstruct 1–165; UniProt 24–188 Author chain D; PDBConstruct 1–165; UniProt 24–188 Author chain E; PDBConstruct 1–165; UniProt 24–188 Author chain F; PDBConstruct 1–165; UniProt 24–188

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 1rh2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1rh2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1rh2
Deposition date deposition_date1996-11-07
Structure title titleRECOMBINANT HUMAN INTERFERON-ALPHA 2B
Keywords keywordsINTERFERON, CYTOKINE, ANTI-VIRAL, IMMUNOMODULATOR, 4 HELIX BUNDLE; CYTOKINE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.81
Radius of gyration Rg (electron density) rg_electron38.10
Forward intensity I(0) i0125649000.00
Molecular weight molecular_weight93190.0 kDa
Excluded volume excluded_volume114140 ų
Envelope volume envelope_volume100860 ų
Hydration-shell volume shell_volume25167 ų
Envelope diameter envelope_diameter133.4
Shell Rg shell_rg38.59
Envelope Rg envelope_rg36.11
Shape Rg shape_rg38.10
Total Rg total_rg38.12
Total atoms total_atoms4
Residues n_residues
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 dmax126.7
Rg (real space) rg_real38.22
Rg uncertainty (real space) rg_real_error1.28
I(0) (real space) i0_real1.2560e+08
I(0) uncertainty (real space) i0_real_error2.1610e+06
Rg (reciprocal space) rg_reciprocal37.97
I(0) (reciprocal space) i0_reciprocal125600000.0000
Solution quality estimate total_estimate0.8371
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.2
Skewness Skewness skewness0.499
Kurtosis Kurtosis kurtosis-0.317
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8677000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.841; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.804; Smooth: 0.555

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1rh2a_
Class classa — All alpha proteins
Fold Fold folda.26 — 4-helical cytokines
Superfamily Superfamily superfamilya.26.1 — 4-helical cytokines
Family Family familya.26.1.3 — Interferons/interleukin-10 (IL-10)
Domain ID domain_idd1rh2b_
Class classa — All alpha proteins
Fold Fold folda.26 — 4-helical cytokines
Superfamily Superfamily superfamilya.26.1 — 4-helical cytokines
Family Family familya.26.1.3 — Interferons/interleukin-10 (IL-10)
Domain ID domain_idd1rh2c_
Class classa — All alpha proteins
Fold Fold folda.26 — 4-helical cytokines
Superfamily Superfamily superfamilya.26.1 — 4-helical cytokines
Family Family familya.26.1.3 — Interferons/interleukin-10 (IL-10)
Domain ID domain_idd1rh2d_
Class classa — All alpha proteins
Fold Fold folda.26 — 4-helical cytokines
Superfamily Superfamily superfamilya.26.1 — 4-helical cytokines
Family Family familya.26.1.3 — Interferons/interleukin-10 (IL-10)
Domain ID domain_idd1rh2e_
Class classa — All alpha proteins
Fold Fold folda.26 — 4-helical cytokines
Superfamily Superfamily superfamilya.26.1 — 4-helical cytokines
Family Family familya.26.1.3 — Interferons/interleukin-10 (IL-10)
Domain ID domain_idd1rh2f_
Class classa — All alpha proteins
Fold Fold folda.26 — 4-helical cytokines
Superfamily Superfamily superfamilya.26.1 — 4-helical cytokines
Family Family familya.26.1.3 — Interferons/interleukin-10 (IL-10)

8. Citations (1)

9. Files and Curves (10)