3crp

A heterospecific leucine zipper tetramer

Method: X-RAY DIFFRACTION Dmax: 72.6 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 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 9.8;295 K;0.1M Tris-HCl, 0.05M magnesium chloride, 13% PEG 4000, pH 9.8, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K Resolution 1.70 Å R-free 0.230
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain E; UniProt 251–281 Fragment:UNP residues 251-281 No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 9.8;295 K;0.1M Tris-HCl, 0.05M magnesium chloride, 13% PEG 4000, pH 9.8, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K Resolution 1.70 Å R-free 0.230

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 199 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 B; PDBConstruct 4–34; UniProt 251–281 Author chain C; PDBConstruct 4–34; UniProt 251–281 Author chain E; 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 3crp

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3crp
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id3crp
Deposition date deposition_date2008-04-07
Structure title titleA heterospecific leucine zipper tetramer
Keywords keywords;Coiled coils, anti-parallel tetramer, protein complex, heterospecific interaction, Activator, Amino-acid biosynthesis, DNA-binding, Nucleus, Phosphoprotein, Transcription, Transcription regulation, PROTEIN BINDING ;; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.76
Radius of gyration Rg (electron density) rg_electron18.57
Forward intensity I(0) i05546670.00
Molecular weight molecular_weight17919.0 kDa
Excluded volume excluded_volume22891 ų
Envelope volume envelope_volume27461 ų
Hydration-shell volume shell_volume13537 ų
Envelope diameter envelope_diameter72.9
Shell Rg shell_rg23.42
Envelope Rg envelope_rg19.49
Shape Rg shape_rg18.47
Total Rg total_rg19.73
Total atoms total_atoms1257
Residues n_residues158
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 dmax72.6
Rg (real space) rg_real18.97
Rg uncertainty (real space) rg_real_error0.79
I(0) (real space) i0_real5.5470e+06
I(0) uncertainty (real space) i0_real_error8.2340e+04
Rg (reciprocal space) rg_reciprocal18.94
I(0) (reciprocal space) i0_reciprocal5547000.0000
Solution quality estimate total_estimate0.7572
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary17.9
Skewness Skewness skewness0.684
Kurtosis Kurtosis kurtosis0.309
Angular range angular_range— – 0.4250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1295000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.451; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.497; Smooth: 0.989

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (10 domains)

Domain ID domain_idd3crpa1
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_idd3crpa2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3crpb2
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_idd3crpb3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3crpc1
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_idd3crpc2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3crpd1
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_idd3crpd2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd3crpe1
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_idd3crpe2
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)