4ief

Complex of Porphyromonas gingivalis RgpB pro- and mature domains

Method: X-RAY DIFFRACTION Dmax: 179.8 Å Quality: GOOD

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

Gingipain R2 Pro-Domain

Porphyromonas gingivalis

UniProt P95493

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 25–229 Chain B; UniProt 230–662 Fragment:UNP residues 230-662 Non-standard monomer:Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 1 BA BARIUM ION × 1 CA CALCIUM ION × 4 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;293 K;14% polyethylene glycol 6000, 0.1M sodium acetate, 0.2M calcium chloride, 0.01 M barium chloride, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.30 Å R-free 0.225
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 25–229 Chain D; UniProt 230–662 Fragment:UNP residues 230-662 Non-standard monomer:Yes (specific site not provided by mmCIF) BA BARIUM ION × 1 CA CALCIUM ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;293 K;14% polyethylene glycol 6000, 0.1M sodium acetate, 0.2M calcium chloride, 0.01 M barium chloride, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.30 Å R-free 0.225
3 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 25–229 Chain F; UniProt 230–662 Fragment:UNP residues 230-662 Non-standard monomer:Yes (specific site not provided by mmCIF) BA BARIUM ION × 1 CA CALCIUM ION × 4 NA SODIUM ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;293 K;14% polyethylene glycol 6000, 0.1M sodium acetate, 0.2M calcium chloride, 0.01 M barium chloride, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.30 Å R-free 0.225
4 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain G; UniProt 25–229 Chain H; UniProt 230–662 Fragment:UNP residues 230-662 Non-standard monomer:Yes (specific site not provided by mmCIF) BA BARIUM ION × 1 CA CALCIUM ION × 3 MG MAGNESIUM ION × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;293 K;14% polyethylene glycol 6000, 0.1M sodium acetate, 0.2M calcium chloride, 0.01 M barium chloride, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.30 Å R-free 0.225

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.

4 other PDB entries and 6 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CPG2_PORGI
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 6–210; UniProt 25–229 Author chain C; PDBConstruct 6–210; UniProt 25–229 Author chain E; PDBConstruct 6–210; UniProt 25–229 Author chain G; PDBConstruct 6–210; UniProt 25–229 Author chain B; PDBConstruct 1–433; UniProt 230–662 Author chain D; PDBConstruct 1–433; UniProt 230–662 Author chain F; PDBConstruct 1–433; UniProt 230–662 Author chain H; PDBConstruct 1–433; UniProt 230–662

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 4ief

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4ief
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4ief
Deposition date deposition_date2012-12-13
Structure title titleComplex of Porphyromonas gingivalis RgpB pro- and mature domains
Keywords keywordsalpha/beta/alpha sandwich, cysteine endopeptidase, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier51.73
Radius of gyration Rg (electron density) rg_electron51.91
Forward intensity I(0) i01073030000.00
Molecular weight molecular_weight273750.0 kDa
Excluded volume excluded_volume342490 ų
Envelope volume envelope_volume456420 ų
Hydration-shell volume shell_volume74736 ų
Envelope diameter envelope_diameter190.2
Shell Rg shell_rg54.19
Envelope Rg envelope_rg51.06
Shape Rg shape_rg51.93
Total Rg total_rg51.92
Total atoms total_atoms19188
Residues n_residues2462
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 dmax179.8
Rg (real space) rg_real51.84
Rg uncertainty (real space) rg_real_error2.06
I(0) (real space) i0_real1.0730e+09
I(0) uncertainty (real space) i0_real_error1.9560e+07
Rg (reciprocal space) rg_reciprocal51.64
I(0) (reciprocal space) i0_reciprocal1073000000.0000
Solution quality estimate total_estimate0.8592
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary71.9
Skewness Skewness skewness0.368
Kurtosis Kurtosis kurtosis-0.173
Angular range angular_range— – 0.1500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha83560000.0000
Real-space data points n_real_points31
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.789; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.804

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

7. Fold Classification (SCOP + CATH) 28 domains

SCOP 2.08 (12 domains)

Domain ID domain_idd4iefb1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.17 — Caspase-like
Superfamily Superfamily superfamilyc.17.1 — Caspase-like
Family Family familyc.17.1.2 — Gingipain R (RgpB), N-terminal domain
Domain ID domain_idd4iefb2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.18 — E set domains
Family Family familyb.1.18.0 — automated matches
Domain ID domain_idd4iefb3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4iefd1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.17 — Caspase-like
Superfamily Superfamily superfamilyc.17.1 — Caspase-like
Family Family familyc.17.1.2 — Gingipain R (RgpB), N-terminal domain
Domain ID domain_idd4iefd2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.18 — E set domains
Family Family familyb.1.18.0 — automated matches
Domain ID domain_idd4iefd3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4ieff1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.17 — Caspase-like
Superfamily Superfamily superfamilyc.17.1 — Caspase-like
Family Family familyc.17.1.2 — Gingipain R (RgpB), N-terminal domain
Domain ID domain_idd4ieff2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.18 — E set domains
Family Family familyb.1.18.0 — automated matches
Domain ID domain_idd4ieff3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4iefh1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.17 — Caspase-like
Superfamily Superfamily superfamilyc.17.1 — Caspase-like
Family Family familyc.17.1.2 — Gingipain R (RgpB), N-terminal domain
Domain ID domain_idd4iefh2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.18 — E set domains
Family Family familyb.1.18.0 — automated matches
Domain ID domain_idd4iefh3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (16 domains)

Domain ID domain_id4iefA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily3800
Domain ID domain_id4iefB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10390 — Gingipain r; domain 1
Domain ID domain_id4iefB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1460
Domain ID domain_id4iefB03
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id4iefC00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily3800
Domain ID domain_id4iefD01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10390 — Gingipain r; domain 1
Domain ID domain_id4iefD02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1460
Domain ID domain_id4iefD03
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id4iefE00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily3800
Domain ID domain_id4iefF01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10390 — Gingipain r; domain 1
Domain ID domain_id4iefF02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1460
Domain ID domain_id4iefF03
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id4iefG00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily3800
Domain ID domain_id4iefH01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10390 — Gingipain r; domain 1
Domain ID domain_id4iefH02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1460
Domain ID domain_id4iefH03
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)