2ka6

NMR structure of the CBP-TAZ2/STAT1-TAD complex

Method: SOLUTION NMR Dmax: 65.1 Å Quality: GOOD

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

CREB-binding protein

Mus musculus

UniProt P45481

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1764–1855 Fragment:UNP residues 1764 to 1855 Signal transducer and activator of transcription 1-alpha/beta × 1 (P42224) ZN ZINC ION × 3 SOLUTION NMR NMR measurement conditions:pH 6.8;290 K;Ionic strength (raw mmCIF value) 0.05;Pressure ambient NMR sample composition:1 mM [U-100% 15N] TAZ2, 90% H2O/10% D2O | 90% H2O/10% D2O Resolution not provided

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.

23 other PDB entries and 25 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CBP_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–92; UniProt 1764–1855

Signal transducer and activator of transcription 1-alpha/beta

Homo sapiens

UniProt P42224

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 710–750 Fragment:UNP residues 710 to 750 CREB-binding protein × 1 (P45481) ZN ZINC ION × 3 SOLUTION NMR NMR measurement conditions:pH 6.8;290 K;Ionic strength (raw mmCIF value) 0.05;Pressure ambient NMR sample composition:1 mM [U-100% 15N] TAZ2, 90% H2O/10% D2O | 90% H2O/10% D2O Resolution not provided

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.

9 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name STAT1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 5–45; UniProt 710–750

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 2ka6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2ka6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2ka6
Deposition date deposition_date2008-10-30
Structure title titleNMR structure of the CBP-TAZ2/STAT1-TAD complex
Keywords keywords;CBP/p300, TAZ2, STAT1, transactivation domain, Bromodomain, Activator, Alternative splicing, Antiviral defense, Cytoplasm, Disease mutation, DNA-binding, Host-virus interaction, Nucleus, Phosphoprotein, Polymorphism, SH2 domain, Transcription, Transcription regulation, TRANSCRIPTION REGULATOR, Acetylation, Chromosomal rearrangement, Metal-binding, Methylation, Transferase, Ubl conjugation, Zinc, Zinc-finger ;; TRANSCRIPTION REGULATOR
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier16.37
Radius of gyration Rg (electron density) rg_electron15.82
Forward intensity I(0) i01679610000.00
Molecular weight molecular_weight314290.0 kDa
Excluded volume excluded_volume380910 ų
Envelope volume envelope_volume64673 ų
Hydration-shell volume shell_volume24117 ų
Envelope diameter envelope_diameter74.9
Shell Rg shell_rg29.49
Envelope Rg envelope_rg23.38
Shape Rg shape_rg15.87
Total Rg total_rg15.94
Total atoms total_atoms42920
Residues n_residues2740
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 dmax65.1
Rg (real space) rg_real16.40
Rg uncertainty (real space) rg_real_error0.64
I(0) (real space) i0_real1.6800e+09
I(0) uncertainty (real space) i0_real_error2.3320e+07
Rg (reciprocal space) rg_reciprocal16.39
I(0) (reciprocal space) i0_reciprocal1680000000.0000
Solution quality estimate total_estimate0.7695
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.7
Skewness Skewness skewness0.475
Kurtosis Kurtosis kurtosis0.410
Angular range angular_range— – 0.4850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha611100.0000
Real-space data points n_real_points79
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.388; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.844; Smooth: 0.992

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2ka6a_
Class classg — Small proteins
Fold Fold foldg.53 — TAZ domain
Superfamily Superfamily superfamilyg.53.1 — TAZ domain
Family Family familyg.53.1.1 — TAZ domain

CATH v4.4 (2 domains)

Domain ID domain_id2ka6A00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1020 — CREB-binding Protein; Chain A
Homologous superfamily homologous superfamily10 — TAZ domain
Domain ID domain_id2ka6B00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily3310 — signal transducer and activator of transcription 1

8. Citations (1)

9. Files and Curves (10)