3ck4

A heterospecific leucine zipper tetramer

Method: X-RAY DIFFRACTION Dmax: 76.6 Å Quality: GOOD

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

GCN4 leucine zipper

Saccharomyces cerevisiae

UniProt P03069

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 homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 251–281 Chain B; UniProt 251–281 Chain C; UniProt 251–281 Chain D; UniProt 251–281 Fragment:UNP residues 251-281 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;0.1M Tris-HCl, 0.2M magnesium chloride, 30% PEG 4000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.70 Å R-free 0.221
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain E; UniProt 251–281 Chain F; UniProt 251–281 Chain G; UniProt 251–281 Chain H; UniProt 251–281 Fragment:UNP residues 251-281 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;0.1M Tris-HCl, 0.2M magnesium chloride, 30% PEG 4000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.70 Å R-free 0.221
3 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain I; UniProt 251–281 Chain J; UniProt 251–281 Chain K; UniProt 251–281 Chain L; UniProt 251–281 Fragment:UNP residues 251-281 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;0.1M Tris-HCl, 0.2M magnesium chloride, 30% PEG 4000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.70 Å R-free 0.221

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.

162 other PDB entries and 198 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GCN4_YEAST
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 4–34; UniProt 251–281 Author chain D; PDBConstruct 4–34; UniProt 251–281 Author chain E; PDBConstruct 4–34; UniProt 251–281 Author chain H; PDBConstruct 4–34; UniProt 251–281 Author chain I; PDBConstruct 4–34; UniProt 251–281 Author chain L; PDBConstruct 4–34; UniProt 251–281 Author chain B; PDBConstruct 4–34; UniProt 251–281 Author chain C; PDBConstruct 4–34; UniProt 251–281 Author chain F; PDBConstruct 4–34; UniProt 251–281 Author chain G; PDBConstruct 4–34; UniProt 251–281 Author chain J; PDBConstruct 4–34; UniProt 251–281 Author chain K; PDBConstruct 4–34; UniProt 251–281

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 3ck4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3ck4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3ck4
Deposition date deposition_date2008-03-14
Structure title titleA heterospecific leucine zipper tetramer
Keywords keywords;Coiled coils, anti-parallel tetramer, protein complex, heterospecific interaction, PROTEIN BINDING, Activator, Amino-acid biosynthesis, DNA-binding, Nucleus, Phosphoprotein, Transcription, Transcription regulation ;; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.56
Radius of gyration Rg (electron density) rg_electron22.61
Forward intensity I(0) i030357900.00
Molecular weight molecular_weight45116.0 kDa
Excluded volume excluded_volume58120 ų
Envelope volume envelope_volume71267 ų
Hydration-shell volume shell_volume26203 ų
Envelope diameter envelope_diameter80.0
Shell Rg shell_rg29.59
Envelope Rg envelope_rg22.56
Shape Rg shape_rg22.51
Total Rg total_rg23.88
Total atoms total_atoms3167
Residues n_residues387
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 dmax76.6
Rg (real space) rg_real23.41
Rg uncertainty (real space) rg_real_error0.53
I(0) (real space) i0_real3.0360e+07
I(0) uncertainty (real space) i0_real_error3.6200e+05
Rg (reciprocal space) rg_reciprocal23.45
I(0) (reciprocal space) i0_reciprocal30360000.0000
Solution quality estimate total_estimate0.7881
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary32.3
Skewness Skewness skewness0.127
Kurtosis Kurtosis kurtosis-0.325
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha25080000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.755; Stabil: 0.993; 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 (4)

7. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (24 domains)

Domain ID domain_idd3ck4a1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4a2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3ck4b2
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4b3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3ck4c1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4c2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3ck4d1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4d2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3ck4e1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4e2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3ck4f1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4f2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3ck4g1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4g2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3ck4h1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4h2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3ck4i1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4i2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3ck4j1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4j2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3ck4k1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4k2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3ck4l1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.3 — Leucine zipper domain
Family Family familyh.1.3.1 — Leucine zipper domain
Domain ID domain_idd3ck4l2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

8. Citations (1)

9. Files and Curves (10)