1dbh

DBL AND PLECKSTRIN HOMOLOGY DOMAINS FROM HSOS1

Method: X-RAY DIFFRACTION Dmax: 78.5 Å Quality: EXCELLENT

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

PROTEIN (HUMAN SOS 1)

Homo sapiens

UniProt Q07889

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 198–551 Fragment:DBL AND PLECKSTRIN HOMOLOGY DOMAINS Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;5 MG/ML PROTEIN 100 MM BIS-TRIS PH 6.5 1-3% PEG6000 1 MM DTT Resolution 2.30 Å R-free 0.269

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.

90 other PDB entries and 115 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SOS1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–354; UniProt 198–551

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 1dbh

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1dbh
Deposition date deposition_date1998-12-17
Structure title titleDBL AND PLECKSTRIN HOMOLOGY DOMAINS FROM HSOS1
Keywords keywordsGUANINE NUCLEOTIDE EXCHANGE FACTOR, GENE REGULATION; GENE REGULATION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.04
Radius of gyration Rg (electron density) rg_electron23.88
Forward intensity I(0) i026940300.00
Molecular weight molecular_weight39463.0 kDa
Excluded volume excluded_volume49142 ų
Envelope volume envelope_volume63238 ų
Hydration-shell volume shell_volume22728 ų
Envelope diameter envelope_diameter83.4
Shell Rg shell_rg30.23
Envelope Rg envelope_rg23.97
Shape Rg shape_rg23.89
Total Rg total_rg24.65
Total atoms total_atoms2748
Residues n_residues332
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 dmax78.5
Rg (real space) rg_real25.05
Rg uncertainty (real space) rg_real_error0.54
I(0) (real space) i0_real2.6940e+07
I(0) uncertainty (real space) i0_real_error3.8310e+05
Rg (reciprocal space) rg_reciprocal25.05
I(0) (reciprocal space) i0_reciprocal26940000.0000
Solution quality estimate total_estimate0.9074
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.9
Skewness Skewness skewness0.282
Kurtosis Kurtosis kurtosis-0.583
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4902000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.953; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.958; Smooth: 0.974

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1dbha1
Class classa — All alpha proteins
Fold Fold folda.87 — DBL homology domain (DH-domain)
Superfamily Superfamily superfamilya.87.1 — DBL homology domain (DH-domain)
Family Family familya.87.1.1 — DBL homology domain (DH-domain)
Domain ID domain_idd1dbha2
Class classb — All beta proteins
Fold Fold foldb.55 — PH domain-like barrel
Superfamily Superfamily superfamilyb.55.1 — PH domain-like
Family Family familyb.55.1.1 — Pleckstrin-homology domain (PH domain)

CATH v4.4 (2 domains)

Domain ID domain_id1dbhA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology900 — Dbl Homology Domain; Chain A
Homologous superfamily homologous superfamily10 — Dbl homology (DH) domain
Domain ID domain_id1dbhA02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology29 — PH-domain like
Homologous superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)

8. Citations (1)

9. Files and Curves (10)