1kdx

KIX DOMAIN OF MOUSE CBP (CREB BINDING PROTEIN) IN COMPLEX WITH PHOSPHORYLATED KINASE INDUCIBLE DOMAIN (PKID) OF RAT CREB (CYCLIC AMP RESPONSE ELEMENT BINDING PROTEIN), NMR 17 STRUCTURES

Method: SOLUTION NMR Dmax: 46.1 Å Quality: GOOD

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

CBP

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 586–666 Fragment:KIX, RESIDUES 586-666 CREB × 1 (P15337) SOLUTION NMR NMR measurement conditions:pH 5.5;315 K;Ionic strength (raw mmCIF value) 0.07;Pressure 1 NMR sample composition:H2O OR 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 1–81; UniProt 586–666

CREB

Rattus norvegicus

UniProt P15337

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 119–146 Fragment:KID, RESIDUES 101-160 Non-standard monomer:Yes (specific site not provided by mmCIF) CBP × 1 (P45481) SOLUTION NMR NMR measurement conditions:pH 5.5;315 K;Ionic strength (raw mmCIF value) 0.07;Pressure 1 NMR sample composition:H2O OR 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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name CREB1_RAT
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–28; UniProt 119–146

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 1kdx

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1kdx
Deposition date deposition_date1997-09-16
Structure title titleKIX DOMAIN OF MOUSE CBP (CREB BINDING PROTEIN) IN COMPLEX WITH PHOSPHORYLATED KINASE INDUCIBLE DOMAIN (PKID) OF RAT CREB (CYCLIC AMP RESPONSE ELEMENT BINDING PROTEIN), NMR 17 STRUCTURES
Keywords keywords;COMPLEX (TRANSCRIPTION ACTIVATOR-CO-ACTIVATOR), PROTEIN-PROTEIN INTERACTION, PHOSPHOSERINE RECOGNITION, TRANSCRIPTION REGULATION COMPLEX ;; TRANSCRIPTION REGULATION COMPLEX
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier14.75
Radius of gyration Rg (electron density) rg_electron14.34
Forward intensity I(0) i0710796000.00
Molecular weight molecular_weight219070.0 kDa
Excluded volume excluded_volume271930 ų
Envelope volume envelope_volume27973 ų
Hydration-shell volume shell_volume14792 ų
Envelope diameter envelope_diameter52.9
Shell Rg shell_rg21.78
Envelope Rg envelope_rg16.43
Shape Rg shape_rg14.31
Total Rg total_rg14.57
Total atoms total_atoms30753
Residues n_residues1836
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 dmax46.1
Rg (real space) rg_real14.68
Rg uncertainty (real space) rg_real_error0.26
I(0) (real space) i0_real7.1080e+08
I(0) uncertainty (real space) i0_real_error8.2420e+06
Rg (reciprocal space) rg_reciprocal14.69
I(0) (reciprocal space) i0_reciprocal710800000.0000
Solution quality estimate total_estimate0.8236
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.3
Skewness Skewness skewness0.125
Kurtosis Kurtosis kurtosis-0.467
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha186900.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.904; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.000

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_idd1kdxa_
Class classa — All alpha proteins
Fold Fold folda.12 — Kix domain of CBP (creb binding protein)
Superfamily Superfamily superfamilya.12.1 — Kix domain of CBP (creb binding protein)
Family Family familya.12.1.1 — Kix domain of CBP (creb binding protein)

CATH v4.4 (1 domains)

Domain ID domain_id1kdxA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology246 — Serum Albumin; Chain A, Domain 1
Homologous superfamily homologous superfamily20 — Coactivator CBP, KIX domain

8. Citations (1)

9. Files and Curves (10)