2fif

Crystal Structure of a Bovine Rabex-5 fragment complexed with ubiquitin

Method: X-RAY DIFFRACTION Dmax: 100.2 Å Quality: GOOD

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

Ubiquitin

OrganismNot specified

UniProt P62990

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 1–76 Not recorded Rab5 GDP/GTP exchange factor × 1 (O18973) SO4 SULFATE ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;295 K;20-25% PEG 4000, 0.2M lithium sulfate , pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.49 Å R-free 0.263
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–76 Not recorded Rab5 GDP/GTP exchange factor × 1 (O18973) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;295 K;20-25% PEG 4000, 0.2M lithium sulfate , pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.49 Å R-free 0.263
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 1–76 Not recorded Rab5 GDP/GTP exchange factor × 1 (O18973) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;295 K;20-25% PEG 4000, 0.2M lithium sulfate , pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.49 Å R-free 0.263

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.

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

View Construct and Data Evidence
UniProt name UBIQ_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–76; UniProt 1–76 Author chain C; PDBConstruct 1–76; UniProt 1–76 Author chain E; PDBConstruct 1–76; UniProt 1–76

Rab5 GDP/GTP exchange factor

Bos taurus

UniProt O18973

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 9–73 Fragment:A20 zinc finger and inverted ubiquitin interacting motif domains Ubiquitin × 1 (P62990) SO4 SULFATE ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;295 K;20-25% PEG 4000, 0.2M lithium sulfate , pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.49 Å R-free 0.263
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 9–73 Fragment:A20 zinc finger and inverted ubiquitin interacting motif domains Ubiquitin × 1 (P62990) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;295 K;20-25% PEG 4000, 0.2M lithium sulfate , pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.49 Å R-free 0.263
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain F; UniProt 9–73 Fragment:A20 zinc finger and inverted ubiquitin interacting motif domains Ubiquitin × 1 (P62990) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;295 K;20-25% PEG 4000, 0.2M lithium sulfate , pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.49 Å R-free 0.263

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.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RABX5_BOVIN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 6–70; UniProt 9–73 Author chain D; PDBConstruct 6–70; UniProt 9–73 Author chain F; PDBConstruct 6–70; UniProt 9–73

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 2fif

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2fif
Deposition date deposition_date2005-12-29
Structure title titleCrystal Structure of a Bovine Rabex-5 fragment complexed with ubiquitin
Keywords keywordszinc finger, helix, PROTEIN TURNOVER-ENDOCYTOSIS COMPLEX; PROTEIN TURNOVER/ENDOCYTOSIS
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.05
Radius of gyration Rg (electron density) rg_electron30.54
Forward intensity I(0) i036127900.00
Molecular weight molecular_weight45814.0 kDa
Excluded volume excluded_volume56924 ų
Envelope volume envelope_volume82586 ų
Hydration-shell volume shell_volume23764 ų
Envelope diameter envelope_diameter102.0
Shell Rg shell_rg35.87
Envelope Rg envelope_rg29.79
Shape Rg shape_rg30.54
Total Rg total_rg31.08
Total atoms total_atoms3209
Residues n_residues392
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 dmax100.2
Rg (real space) rg_real31.17
Rg uncertainty (real space) rg_real_error0.84
I(0) (real space) i0_real3.6130e+07
I(0) uncertainty (real space) i0_real_error5.5730e+05
Rg (reciprocal space) rg_reciprocal31.12
I(0) (reciprocal space) i0_reciprocal36130000.0000
Solution quality estimate total_estimate0.8893
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary29.5
Skewness Skewness skewness0.282
Kurtosis Kurtosis kurtosis-0.716
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2532000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.942; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.817; Smooth: 0.912

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd2fifa_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.1 — Ubiquitin-like
Family Family familyd.15.1.1 — Ubiquitin-related
Domain ID domain_idd2fifb_
Class classg — Small proteins
Fold Fold foldg.39 — Glucocorticoid receptor-like (DNA-binding domain)
Superfamily Superfamily superfamilyg.39.1 — Glucocorticoid receptor-like (DNA-binding domain)
Family Family familyg.39.1.15 — A20-like zinc finger
Domain ID domain_idd2fifc_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.1 — Ubiquitin-like
Family Family familyd.15.1.1 — Ubiquitin-related
Domain ID domain_idd2fifd_
Class classg — Small proteins
Fold Fold foldg.39 — Glucocorticoid receptor-like (DNA-binding domain)
Superfamily Superfamily superfamilyg.39.1 — Glucocorticoid receptor-like (DNA-binding domain)
Family Family familyg.39.1.15 — A20-like zinc finger
Domain ID domain_idd2fife_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.1 — Ubiquitin-like
Family Family familyd.15.1.1 — Ubiquitin-related
Domain ID domain_idd2fiff_
Class classg — Small proteins
Fold Fold foldg.39 — Glucocorticoid receptor-like (DNA-binding domain)
Superfamily Superfamily superfamilyg.39.1 — Glucocorticoid receptor-like (DNA-binding domain)
Family Family familyg.39.1.15 — A20-like zinc finger

CATH v4.4 (6 domains)

Domain ID domain_id2fifA00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
Domain ID domain_id2fifB01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily4770
Domain ID domain_id2fifC00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
Domain ID domain_id2fifD01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily4770
Domain ID domain_id2fifE00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
Domain ID domain_id2fifF01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily4770

8. Citations (1)

9. Files and Curves (10)