1rhm

CRYSTAL STRUCTURE OF THE COMPLEX OF CASPASE-3 WITH A NICOTINIC ACID ALDEHYDE INHIBITOR

Method: X-RAY DIFFRACTION Dmax: 69.2 Å Quality: EXCELLENT

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

CASP-3

Homo sapiens

UniProt P42574

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 29–175 Chain B; UniProt 176–277 Chain C; UniProt 29–175 Chain D; UniProt 176–277 Fragment:P17 SUBUNIT Fragment:P12 SUBUNIT NA4 4-[5-(2-CARBOXY-1-FORMYL-ETHYLCARBAMOYL)-PYRIDIN-3-YL]-BENZOIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.7;293 K;9% PEG-6000, 100 mM citrate, 10 mM DTT, 3 mM NaN(3), pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.50 Å R-free 0.249
2 Protein homooligomer Homooligomer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain A; UniProt 29–175 Chain B; UniProt 176–277 Chain C; UniProt 29–175 Chain D; UniProt 176–277 Fragment:P17 SUBUNIT Fragment:P12 SUBUNIT NA4 4-[5-(2-CARBOXY-1-FORMYL-ETHYLCARBAMOYL)-PYRIDIN-3-YL]-BENZOIC ACID × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.7;293 K;9% PEG-6000, 100 mM citrate, 10 mM DTT, 3 mM NaN(3), pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.50 Å R-free 0.249

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.

134 other PDB entries and 195 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CASP3_HUMAN
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–147; UniProt 29–175 Author chain C; PDBConstruct 1–147; UniProt 29–175 Author chain B; PDBConstruct 1–102; UniProt 176–277 Author chain D; PDBConstruct 1–102; UniProt 176–277

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 1rhm

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1rhm
Deposition date deposition_date2003-11-14
Structure title titleCRYSTAL STRUCTURE OF THE COMPLEX OF CASPASE-3 WITH A NICOTINIC ACID ALDEHYDE INHIBITOR
Keywords keywordsCYSTEINE PROTEASE, CASPASE-3, APOPAIN, CPP32, YAMA, COMPLEX (PROTEASE-INHIBITOR), HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.27
Radius of gyration Rg (electron density) rg_electron22.00
Forward intensity I(0) i048011700.00
Molecular weight molecular_weight53960.0 kDa
Excluded volume excluded_volume67477 ų
Envelope volume envelope_volume76845 ų
Hydration-shell volume shell_volume28115 ų
Envelope diameter envelope_diameter73.8
Shell Rg shell_rg29.77
Envelope Rg envelope_rg22.16
Shape Rg shape_rg22.01
Total Rg total_rg22.84
Total atoms total_atoms3790
Residues n_residues432
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 dmax69.2
Rg (real space) rg_real23.10
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real4.8010e+07
I(0) uncertainty (real space) i0_real_error5.8230e+05
Rg (reciprocal space) rg_reciprocal23.14
I(0) (reciprocal space) i0_reciprocal48010000.0000
Solution quality estimate total_estimate0.9117
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.8
Skewness Skewness skewness0.083
Kurtosis Kurtosis kurtosis-0.569
Angular range angular_range— – 0.3400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8033000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.957; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1rhm.1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.17 — Caspase-like
Superfamily Superfamily superfamilyc.17.1 — Caspase-like
Family Family familyc.17.1.1 — Caspase catalytic domain
Domain ID domain_idd1rhm.2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.17 — Caspase-like
Superfamily Superfamily superfamilyc.17.1 — Caspase-like
Family Family familyc.17.1.1 — Caspase catalytic domain

CATH v4.4 (4 domains)

Domain ID domain_id1rhmA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1460
Domain ID domain_id1rhmB00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1470 — Caspase-like
Domain ID domain_id1rhmC00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1460
Domain ID domain_id1rhmD00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1470 — Caspase-like

8. Citations (1)

9. Files and Curves (10)