2hwa

Crystal structure of Lys12Thr/Cys117Val mutant of human acidic fibroblast growth factor at 1.65 angstrom resolution.

Method: X-RAY DIFFRACTION Dmax: 72.7 Å Quality: GOOD

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

Heparin-binding growth factor 1

Homo sapiens

UniProt P05230

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 16–155 Mutation:K12T,C117V SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298.15 K;Ammonium Sulfate, Sodium Formate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.15K Resolution 1.65 Å R-free 0.258
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 16–155 Mutation:K12T,C117V SO4 SULFATE ION × 1 FMT FORMIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298.15 K;Ammonium Sulfate, Sodium Formate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.15K Resolution 1.65 Å R-free 0.258

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.

96 other PDB entries and 216 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FGF1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 7–146; UniProt 16–155 Author chain B; PDBConstruct 7–146; UniProt 16–155

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 2hwa

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2hwa
Deposition date deposition_date2006-08-01
Structure title titleCrystal structure of Lys12Thr/Cys117Val mutant of human acidic fibroblast growth factor at 1.65 angstrom resolution.
Keywords keywordsbeta-trefoil, HORMONE-GROWTH FACTOR COMPLEX; HORMONE/GROWTH FACTOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.40
Radius of gyration Rg (electron density) rg_electron20.88
Forward intensity I(0) i018588000.00
Molecular weight molecular_weight32243.0 kDa
Excluded volume excluded_volume40098 ų
Envelope volume envelope_volume46638 ų
Hydration-shell volume shell_volume19178 ų
Envelope diameter envelope_diameter72.0
Shell Rg shell_rg26.68
Envelope Rg envelope_rg21.06
Shape Rg shape_rg20.89
Total Rg total_rg21.62
Total atoms total_atoms2276
Residues n_residues274
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 dmax72.7
Rg (real space) rg_real21.42
Rg uncertainty (real space) rg_real_error0.63
I(0) (real space) i0_real1.8590e+07
I(0) uncertainty (real space) i0_real_error2.6850e+05
Rg (reciprocal space) rg_reciprocal21.42
I(0) (reciprocal space) i0_reciprocal18590000.0000
Solution quality estimate total_estimate0.8599
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.5
Skewness Skewness skewness0.370
Kurtosis Kurtosis kurtosis-0.434
Angular range angular_range— – 0.3700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5363000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.745; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.954; Smooth: 0.986

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd2hwaa1
Class classb — All beta proteins
Fold Fold foldb.42 — beta-Trefoil
Superfamily Superfamily superfamilyb.42.1 — Cytokine
Family Family familyb.42.1.1 — Fibroblast growth factors (FGF)
Domain ID domain_idd2hwaa2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2hwab1
Class classb — All beta proteins
Fold Fold foldb.42 — beta-Trefoil
Superfamily Superfamily superfamilyb.42.1 — Cytokine
Family Family familyb.42.1.1 — Fibroblast growth factors (FGF)
Domain ID domain_idd2hwab2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id2hwaA00
Class class2 — Mainly Beta
Architecture architecture80 — Trefoil
Topology topology10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
Homologous superfamily homologous superfamily50
Domain ID domain_id2hwaB00
Class class2 — Mainly Beta
Architecture architecture80 — Trefoil
Topology topology10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
Homologous superfamily homologous superfamily50

8. Citations (1)

9. Files and Curves (10)