1unp

Crystal structure of the pleckstrin homology domain of PKB alpha

Method: X-RAY DIFFRACTION Dmax: 56.6 Å Quality: GOOD

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

RAC-ALPHA SERINE/THREONINE KINASE

HOMO SAPIENS

UniProt P31749

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 1–121 Fragment:PLECKSTRIN HOMOLOGY DOMAIN, RESIDUES 1-121 No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:pH 8.5;30 % PEG 4000, 0.25 M SODIUM ACETATE, 0.1 M TRIS PH 8.5 3.3 % POLYPROPYLENE GLYCOL 400 Resolution 1.65 Å R-free 0.236

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.

37 other PDB entries and 41 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name AKT1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–121; UniProt 1–121

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 1unp

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1unp
Deposition date deposition_date2003-09-12
Structure title titleCrystal structure of the pleckstrin homology domain of PKB alpha
Keywords keywordsPLECKSTRIN HOMOLOGY DOMAIN, TRANSFERASE, PHOSPHOINOSITIDE, PKB, AKT; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.66
Radius of gyration Rg (electron density) rg_electron15.39
Forward intensity I(0) i04226570.00
Molecular weight molecular_weight14301.0 kDa
Excluded volume excluded_volume17823 ų
Envelope volume envelope_volume21609 ų
Hydration-shell volume shell_volume12416 ų
Envelope diameter envelope_diameter55.4
Shell Rg shell_rg20.55
Envelope Rg envelope_rg15.97
Shape Rg shape_rg15.37
Total Rg total_rg16.49
Total atoms total_atoms1009
Residues n_residues119
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 dmax56.6
Rg (real space) rg_real16.63
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real4.2270e+06
I(0) uncertainty (real space) i0_real_error5.1320e+04
Rg (reciprocal space) rg_reciprocal16.63
I(0) (reciprocal space) i0_reciprocal4227000.0000
Solution quality estimate total_estimate0.8727
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.9
Skewness Skewness skewness0.312
Kurtosis Kurtosis kurtosis-0.233
Angular range angular_range— – 0.4800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha610600.0000
Real-space data points n_real_points78
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.798; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.955

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1unpa_
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 (1 domains)

Domain ID domain_id1unpA00
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 (2)

9. Files and Curves (10)